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9d569b1cf7
174 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Greg Kroah-Hartman
|
9d569b1cf7 |
First round of IIO fixes for the 4.17 cycle.
* core
- fix up some issues with overflow etc around wrong types
for some fo the kfifo handling functions. Seems unlikely
this would be triggered in reality but the fixes are simple
so let's tidy them up. Second patch deals with checking
the userspace value passed for length for potential overflow.
* ad7793
- Catch up with changes to the ad_sigma_delta core and use
read_raw / write_raw iwth IIO_CHAN_INFO_SAMP_FEW to handle
sampling frequency control.
* at91-sama5d2
- Channel config for differential channels was completely broken.
- Missing Kconfig dependency for buffer support.
* hid-sensor
- Fix an issue with powering up after resume due to wrong reference
counting.
* stm32-dfsdm
- Fix an issue with second writes of the oversampling settings
failing.
- Fix an issue with the sample rate being set to half of requested
value when particular clock source is used.
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Merge tag 'iio-fixes-for-4.17a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First round of IIO fixes for the 4.17 cycle.
* core
- fix up some issues with overflow etc around wrong types
for some fo the kfifo handling functions. Seems unlikely
this would be triggered in reality but the fixes are simple
so let's tidy them up. Second patch deals with checking
the userspace value passed for length for potential overflow.
* ad7793
- Catch up with changes to the ad_sigma_delta core and use
read_raw / write_raw iwth IIO_CHAN_INFO_SAMP_FEW to handle
sampling frequency control.
* at91-sama5d2
- Channel config for differential channels was completely broken.
- Missing Kconfig dependency for buffer support.
* hid-sensor
- Fix an issue with powering up after resume due to wrong reference
counting.
* stm32-dfsdm
- Fix an issue with second writes of the oversampling settings
failing.
- Fix an issue with the sample rate being set to half of requested
value when particular clock source is used.
|
||
|
Hans de Goede
|
6f92253024 |
iio: hid-sensor-trigger: Fix sometimes not powering up the sensor after resume
hid_sensor_set_power_work() powers the sensors back up after a resume based on the user_requested_state atomic_t. But hid_sensor_power_state() treats this as a boolean flag, leading to the following problematic scenario: 1) Some app starts using the iio-sensor in buffered / triggered mode, hid_sensor_data_rdy_trigger_set_state(true) gets called, setting user_requested_state to 1. 2) Something directly accesses a _raw value through sysfs, leading to a call to hid_sensor_power_state(true) followed by hid_sensor_power_state(false) call, this sets user_requested_state to 1 followed by setting it to 0. 3) Suspend/resume the machine, hid_sensor_set_power_work() now does NOT power the sensor back up because user_requested_state (wrongly) is 0. Which stops the app using the sensor in buffered mode from receiving any new values. This commit changes user_requested_state to a counter tracking how many times hid_sensor_power_state(true) was called instead, fixing this. Cc: Bastien Nocera <hadess@hadess.net> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Gwendal Grignou
|
0dad1eceeb |
iio: cros_ec: Relax sampling frequency before suspending
If an application set a tight sampling frequency, given the interrupt use is a wakeup source, suspend will not happen: the kernel will receive a wake up interrupt and will cancel the suspend process. Given cros_ec sensors type is non wake up, this patch adds prepare and complete callbacks to set 1s sampling period just before suspend. This ensures the sensor hub will not be a source of interrupt during the suspend process. Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Julia Lawall
|
13e6bac82a |
iio: common: ssp_sensors: account for const type of of_device_id.data
This driver creates a number of const structures that it stores in the data field of an of_device_id array. Add const to the declaration of the location that receives a value from the data field to ensure that the compiler will continue to check that the value is not modified and remove the const-dropping cast on the access to the data field. Done using Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Arnd Bergmann
|
a4493f227d |
iio: common: ssp_sensors: use ktime_get_real_ns() timestamps
getnstimeofday() suffers from the overflow in y2038 on 32-bit architectures and requires a conversion into the nanosecond format that we want here. This changes ssp_parse_dataframe() to use ktime_get_real_ns() directly, which does not have that problem. An open question is what time base should be used here. Normally timestamps should use ktime_get_ns() or ktime_get_boot_ns() to read monotonic time instead of "real" time, which suffers from time jumps due to settimeofday() calls or leap seconds. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Paolo Cretaro
|
5f045af0b5 |
iio: cros_ec: Remove unused variables
Fix gcc warnings about variable 'ec_device' being set but not used in these files: common/cros_ec_sensors/cros_ec_sensors.c:194:25 light/cros_ec_light_prox.c:184:25 Signed-off-by: Paolo Cretaro <paolocretaro@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Kees Cook
|
e99e88a9d2 |
treewide: setup_timer() -> timer_setup()
This converts all remaining cases of the old setup_timer() API into using
timer_setup(), where the callback argument is the structure already
holding the struct timer_list. These should have no behavioral changes,
since they just change which pointer is passed into the callback with
the same available pointers after conversion. It handles the following
examples, in addition to some other variations.
Casting from unsigned long:
void my_callback(unsigned long data)
{
struct something *ptr = (struct something *)data;
...
}
...
setup_timer(&ptr->my_timer, my_callback, ptr);
and forced object casts:
void my_callback(struct something *ptr)
{
...
}
...
setup_timer(&ptr->my_timer, my_callback, (unsigned long)ptr);
become:
void my_callback(struct timer_list *t)
{
struct something *ptr = from_timer(ptr, t, my_timer);
...
}
...
timer_setup(&ptr->my_timer, my_callback, 0);
Direct function assignments:
void my_callback(unsigned long data)
{
struct something *ptr = (struct something *)data;
...
}
...
ptr->my_timer.function = my_callback;
have a temporary cast added, along with converting the args:
void my_callback(struct timer_list *t)
{
struct something *ptr = from_timer(ptr, t, my_timer);
...
}
...
ptr->my_timer.function = (TIMER_FUNC_TYPE)my_callback;
And finally, callbacks without a data assignment:
void my_callback(unsigned long data)
{
...
}
...
setup_timer(&ptr->my_timer, my_callback, 0);
have their argument renamed to verify they're unused during conversion:
void my_callback(struct timer_list *unused)
{
...
}
...
timer_setup(&ptr->my_timer, my_callback, 0);
The conversion is done with the following Coccinelle script:
spatch --very-quiet --all-includes --include-headers \
-I ./arch/x86/include -I ./arch/x86/include/generated \
-I ./include -I ./arch/x86/include/uapi \
-I ./arch/x86/include/generated/uapi -I ./include/uapi \
-I ./include/generated/uapi --include ./include/linux/kconfig.h \
--dir . \
--cocci-file ~/src/data/timer_setup.cocci
@fix_address_of@
expression e;
@@
setup_timer(
-&(e)
+&e
, ...)
// Update any raw setup_timer() usages that have a NULL callback, but
// would otherwise match change_timer_function_usage, since the latter
// will update all function assignments done in the face of a NULL
// function initialization in setup_timer().
@change_timer_function_usage_NULL@
expression _E;
identifier _timer;
type _cast_data;
@@
(
-setup_timer(&_E->_timer, NULL, _E);
+timer_setup(&_E->_timer, NULL, 0);
|
-setup_timer(&_E->_timer, NULL, (_cast_data)_E);
+timer_setup(&_E->_timer, NULL, 0);
|
-setup_timer(&_E._timer, NULL, &_E);
+timer_setup(&_E._timer, NULL, 0);
|
-setup_timer(&_E._timer, NULL, (_cast_data)&_E);
+timer_setup(&_E._timer, NULL, 0);
)
@change_timer_function_usage@
expression _E;
identifier _timer;
struct timer_list _stl;
identifier _callback;
type _cast_func, _cast_data;
@@
(
-setup_timer(&_E->_timer, _callback, _E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, &_callback, _E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, _callback, (_cast_data)_E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, &_callback, (_cast_data)_E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, (_cast_func)_callback, _E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, (_cast_func)&_callback, _E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, (_cast_func)_callback, (_cast_data)_E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, (_cast_func)&_callback, (_cast_data)_E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E._timer, _callback, (_cast_data)_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, _callback, (_cast_data)&_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, &_callback, (_cast_data)_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, &_callback, (_cast_data)&_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, (_cast_func)_callback, (_cast_data)_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, (_cast_func)_callback, (_cast_data)&_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, (_cast_func)&_callback, (_cast_data)_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, (_cast_func)&_callback, (_cast_data)&_E);
+timer_setup(&_E._timer, _callback, 0);
|
_E->_timer@_stl.function = _callback;
|
_E->_timer@_stl.function = &_callback;
|
_E->_timer@_stl.function = (_cast_func)_callback;
|
_E->_timer@_stl.function = (_cast_func)&_callback;
|
_E._timer@_stl.function = _callback;
|
_E._timer@_stl.function = &_callback;
|
_E._timer@_stl.function = (_cast_func)_callback;
|
_E._timer@_stl.function = (_cast_func)&_callback;
)
// callback(unsigned long arg)
@change_callback_handle_cast
depends on change_timer_function_usage@
identifier change_timer_function_usage._callback;
identifier change_timer_function_usage._timer;
type _origtype;
identifier _origarg;
type _handletype;
identifier _handle;
@@
void _callback(
-_origtype _origarg
+struct timer_list *t
)
{
(
... when != _origarg
_handletype *_handle =
-(_handletype *)_origarg;
+from_timer(_handle, t, _timer);
... when != _origarg
|
... when != _origarg
_handletype *_handle =
-(void *)_origarg;
+from_timer(_handle, t, _timer);
... when != _origarg
|
... when != _origarg
_handletype *_handle;
... when != _handle
_handle =
-(_handletype *)_origarg;
+from_timer(_handle, t, _timer);
... when != _origarg
|
... when != _origarg
_handletype *_handle;
... when != _handle
_handle =
-(void *)_origarg;
+from_timer(_handle, t, _timer);
... when != _origarg
)
}
// callback(unsigned long arg) without existing variable
@change_callback_handle_cast_no_arg
depends on change_timer_function_usage &&
!change_callback_handle_cast@
identifier change_timer_function_usage._callback;
identifier change_timer_function_usage._timer;
type _origtype;
identifier _origarg;
type _handletype;
@@
void _callback(
-_origtype _origarg
+struct timer_list *t
)
{
+ _handletype *_origarg = from_timer(_origarg, t, _timer);
+
... when != _origarg
- (_handletype *)_origarg
+ _origarg
... when != _origarg
}
// Avoid already converted callbacks.
@match_callback_converted
depends on change_timer_function_usage &&
!change_callback_handle_cast &&
!change_callback_handle_cast_no_arg@
identifier change_timer_function_usage._callback;
identifier t;
@@
void _callback(struct timer_list *t)
{ ... }
// callback(struct something *handle)
@change_callback_handle_arg
depends on change_timer_function_usage &&
!match_callback_converted &&
!change_callback_handle_cast &&
!change_callback_handle_cast_no_arg@
identifier change_timer_function_usage._callback;
identifier change_timer_function_usage._timer;
type _handletype;
identifier _handle;
@@
void _callback(
-_handletype *_handle
+struct timer_list *t
)
{
+ _handletype *_handle = from_timer(_handle, t, _timer);
...
}
// If change_callback_handle_arg ran on an empty function, remove
// the added handler.
@unchange_callback_handle_arg
depends on change_timer_function_usage &&
change_callback_handle_arg@
identifier change_timer_function_usage._callback;
identifier change_timer_function_usage._timer;
type _handletype;
identifier _handle;
identifier t;
@@
void _callback(struct timer_list *t)
{
- _handletype *_handle = from_timer(_handle, t, _timer);
}
// We only want to refactor the setup_timer() data argument if we've found
// the matching callback. This undoes changes in change_timer_function_usage.
@unchange_timer_function_usage
depends on change_timer_function_usage &&
!change_callback_handle_cast &&
!change_callback_handle_cast_no_arg &&
!change_callback_handle_arg@
expression change_timer_function_usage._E;
identifier change_timer_function_usage._timer;
identifier change_timer_function_usage._callback;
type change_timer_function_usage._cast_data;
@@
(
-timer_setup(&_E->_timer, _callback, 0);
+setup_timer(&_E->_timer, _callback, (_cast_data)_E);
|
-timer_setup(&_E._timer, _callback, 0);
+setup_timer(&_E._timer, _callback, (_cast_data)&_E);
)
// If we fixed a callback from a .function assignment, fix the
// assignment cast now.
@change_timer_function_assignment
depends on change_timer_function_usage &&
(change_callback_handle_cast ||
change_callback_handle_cast_no_arg ||
change_callback_handle_arg)@
expression change_timer_function_usage._E;
identifier change_timer_function_usage._timer;
identifier change_timer_function_usage._callback;
type _cast_func;
typedef TIMER_FUNC_TYPE;
@@
(
_E->_timer.function =
-_callback
+(TIMER_FUNC_TYPE)_callback
;
|
_E->_timer.function =
-&_callback
+(TIMER_FUNC_TYPE)_callback
;
|
_E->_timer.function =
-(_cast_func)_callback;
+(TIMER_FUNC_TYPE)_callback
;
|
_E->_timer.function =
-(_cast_func)&_callback
+(TIMER_FUNC_TYPE)_callback
;
|
_E._timer.function =
-_callback
+(TIMER_FUNC_TYPE)_callback
;
|
_E._timer.function =
-&_callback;
+(TIMER_FUNC_TYPE)_callback
;
|
_E._timer.function =
-(_cast_func)_callback
+(TIMER_FUNC_TYPE)_callback
;
|
_E._timer.function =
-(_cast_func)&_callback
+(TIMER_FUNC_TYPE)_callback
;
)
// Sometimes timer functions are called directly. Replace matched args.
@change_timer_function_calls
depends on change_timer_function_usage &&
(change_callback_handle_cast ||
change_callback_handle_cast_no_arg ||
change_callback_handle_arg)@
expression _E;
identifier change_timer_function_usage._timer;
identifier change_timer_function_usage._callback;
type _cast_data;
@@
_callback(
(
-(_cast_data)_E
+&_E->_timer
|
-(_cast_data)&_E
+&_E._timer
|
-_E
+&_E->_timer
)
)
// If a timer has been configured without a data argument, it can be
// converted without regard to the callback argument, since it is unused.
@match_timer_function_unused_data@
expression _E;
identifier _timer;
identifier _callback;
@@
(
-setup_timer(&_E->_timer, _callback, 0);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, _callback, 0L);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, _callback, 0UL);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E._timer, _callback, 0);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, _callback, 0L);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, _callback, 0UL);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_timer, _callback, 0);
+timer_setup(&_timer, _callback, 0);
|
-setup_timer(&_timer, _callback, 0L);
+timer_setup(&_timer, _callback, 0);
|
-setup_timer(&_timer, _callback, 0UL);
+timer_setup(&_timer, _callback, 0);
|
-setup_timer(_timer, _callback, 0);
+timer_setup(_timer, _callback, 0);
|
-setup_timer(_timer, _callback, 0L);
+timer_setup(_timer, _callback, 0);
|
-setup_timer(_timer, _callback, 0UL);
+timer_setup(_timer, _callback, 0);
)
@change_callback_unused_data
depends on match_timer_function_unused_data@
identifier match_timer_function_unused_data._callback;
type _origtype;
identifier _origarg;
@@
void _callback(
-_origtype _origarg
+struct timer_list *unused
)
{
... when != _origarg
}
Signed-off-by: Kees Cook <keescook@chromium.org>
|
||
|
Linus Torvalds
|
449fcf3ab0 |
Staging/IIO patches for 4.15-rc1
Here is the "big" staging and IIO driver update for 4.15-rc1. Lots and lots of little changes, almost all minor code cleanups as the Outreachy application process happened during this development cycle. Also happened was a lot of IIO driver activity, and the typec USB code moving out of staging to drivers/usb (same commits are in the USB tree on a persistent branch to not cause merge issues.) Overall, it's a wash, I think we added a few hundred more lines than removed, but really only a few thousand were modified at all. All of these have been in linux-next for a while. There might be a merge issue with Al's vfs tree in the pi433 driver (take his changes, they are always better), and the media tree with some of the odd atomisp cleanups (take the media tree's version). Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCWgnFrg8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ymxbwCgtNlBkqD2JJYpLRKvI/C4w1vzZsEAnA2THRkt g3ioPBqmqC/2DSbldr2o =/ebw -----END PGP SIGNATURE----- Merge tag 'staging-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging and IIO updates from Greg KH: "Here is the "big" staging and IIO driver update for 4.15-rc1. Lots and lots of little changes, almost all minor code cleanups as the Outreachy application process happened during this development cycle. Also happened was a lot of IIO driver activity, and the typec USB code moving out of staging to drivers/usb (same commits are in the USB tree on a persistent branch to not cause merge issues.) Overall, it's a wash, I think we added a few hundred more lines than removed, but really only a few thousand were modified at all. All of these have been in linux-next for a while. There might be a merge issue with Al's vfs tree in the pi433 driver (take his changes, they are always better), and the media tree with some of the odd atomisp cleanups (take the media tree's version)" * tag 'staging-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (507 commits) staging: lustre: add SPDX identifiers to all lustre files staging: greybus: Remove redundant license text staging: greybus: add SPDX identifiers to all greybus driver files staging: ccree: simplify ioread/iowrite staging: ccree: simplify registers access staging: ccree: simplify error handling logic staging: ccree: remove dead code staging: ccree: handle limiting of DMA masks staging: ccree: copy IV to DMAable memory staging: fbtft: remove redundant initialization of buf staging: sm750fb: Fix parameter mistake in poke32 staging: wilc1000: Fix bssid buffer offset in Txq staging: fbtft: fb_ssd1331: fix mirrored display staging: android: Fix checkpatch.pl error staging: greybus: loopback: convert loopback to use generic async operations staging: greybus: operation: add private data with get/set accessors staging: greybus: loopback: Fix iteration count on async path staging: greybus: loopback: Hold per-connection mutex across operations staging: greybus/loopback: use ktime_get() for time intervals staging: fsl-dpaa2/eth: Extra headroom in RX buffers ... |
||
|
Greg Kroah-Hartman
|
b24413180f |
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Srinivas Pandruvada
|
ad7532cefd |
iio: hid-sensor-trigger: Don't touch sensors unless user space requests
One of the user complained that on his system Thinkpad Yoga S1, with
commit
|
||
|
Lorenzo Bianconi
|
7d24517267 |
iio: common: st_sensors: check odr address value in st_sensors_set_odr()
Do not try to configure sample frequency if the sensor do not export odr register address in register map. That change will be used to properly support LIS3DHH accel sensor. Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Lorenzo Bianconi
|
a542f9a04d |
iio: st_sensors: split open-drain parameters for irq1 and irq2
Define st_sensor_int_drdy structure in st_sensor_data_ready_irq in order to contain irq line parameters of the device. Moreover separate data-ready open-drain configuration parameters for INT1 and INT2 pins in st_sensor_data_ready_irq data structure. That change will be used to properly support LIS3DHH accel sensor. Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Lorenzo Bianconi
|
2e8325f489 |
iio: st_sensors: do not always write enable_axis register
New devices (e.g. LIS2DW12) enable all axis by default and do not export that capability in register map. Check if the enable_axis register address has been declared in st_sensor_settings map in order to verify if the driver needs to enable all sensor axis Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Lorenzo Bianconi
|
75d4c6d2e1 |
iio: st_sensors: decouple irq1 configuration parameters from the irq2 ones
Separate data-ready configuration parameters for INT1 and INT2 pins in st_sensor_data_ready_irq data structure. That change will be use to properly support LIS2DW12 accel sensor. Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Lorenzo Bianconi
|
e72a060151 |
iio: st_sensors: add register mask for status register
Introduce register mask for data-ready status register since
pressure sensors (e.g. LPS22HB) export just two channels
(BIT(0) and BIT(1)) and BIT(2) is marked reserved while in
st_sensors_new_samples_available() value read from status register
is masked using 0x7.
Moreover do not mask status register using active_scan_mask since
now status value is properly masked and if the result is not zero the
interrupt has to be consumed by the driver. This fix an issue on LPS25H
and LPS331AP where channel definition is swapped respect to status
register.
Furthermore that change allows to properly support new devices
(e.g LIS2DW12) that report just ZYXDA (data-ready) field in status register
to figure out if the interrupt has been generated by the device.
Fixes:
|
||
|
Greg Kroah-Hartman
|
1236d6bb6e |
Merge 4.14-rc4 into staging-next
We want the staging/iio fixes in here as well to handle merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Greg Kroah-Hartman
|
069f0e0c06 |
Round one of new device support, features and cleanup for IIO in the 4.15 cycle.
Note there is a misc driver drop in here given we have support
in IIO and the feeling is no one will care.
A large part of this series is a boiler plate removal series avoiding
the need to explicitly provide THIS_MODULE in various locations.
It's very dull but touches all drivers.
New device support
* ad5446
- add ids to support compatible parts DAC081S101, DAC101S101,
DAC121S101.
- add the dac7512 id and drop the misc driver as feeling is no
one is using it (was introduced for a board that is long obsolete)
* mt6577
- add bindings for mt2712 which is fully compatible with other
supported parts.
* st_pressure
- add support for LPS33HW and LPS35HW with bindings (ids mostly).
New features
* ccs811
- Add support for the data ready trigger.
* mma8452
- remove artifical restriction on supporting multiple event types
at the same time.
* tcs3472
- support out of threshold events
Core and tree wide cleanup
* Use macro magic to remove the need to provide THIS_MODULE as part of
struct iio_info or struct iio_trigger_ops. This is similar to
work done in a number of other subsystems (e.g. i2c, spi).
All drivers are fixed and then the fields in these structures are
removed.
This will cause build failures for out of tree drivers and any
new drivers that cross with this work going into the kernel.
Note mostly done with a coccinelle patch, included in the series
on the mailing list but not merged as the fields no longer exist
in the structures so the any hold outs will cause a build failure.
Cleanups
* ads1015
- avoid writing config register when it doesn't change.
- add 10% to conversion wait time as it seems it is sometimes
a little small.
* ade7753
- replace use of core mlock with a local lock. This is part of a
long term effort to make the use of mlock opaque and single
purpose.
* ade7759
- expand the use of buf_lock to cover previous mlock cases. This
is a slightly nicer solution to the same issue as in ade7753.
* cros_ec
- drop an unused variable
* inv_mpu6050
- add a missing break in a switch for consistency - not actual
bug,
- make some local arrays static to save on object code size.
* max5481
- drop manual setting of the spi module owner as handled by the
spi core.
* max5487
- drop manual setting of the spi module owner as handled by the
spi core.
* max9611
- drop explicit setting of the i2c module owner as handled by
the i2c core.
* mcp320x
- speed up reads on single channel devices,
- drop unused of_device_id data elements,
- document the struct mcp320x,
- improve binding docs to reflect restrictions on spi setup and
to make it explicit that the reference regulator is needed.
* mma8452
- symbolic to octal permissions,
- unsigned to unsigned int.
* st_lsm6dsx
- avoid setting odr values multiple times,
- drop config of LIR as it is only ever set to the existing
defaults,
- drop rounding configuration as it only ever matches the defaults.
* ti-ads8688
- drop manual setting of the spi module owner as handled by the
spi core.
* tsl2x7x
- constify the i2c_device_id,
- cleanup limit checks to avoid static checker warnings (and generally
have nicer code).
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Merge tag 'iio-for-4.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Round one of new device support, features and cleanup for IIO in the 4.15 cycle.
Note there is a misc driver drop in here given we have support
in IIO and the feeling is no one will care.
A large part of this series is a boiler plate removal series avoiding
the need to explicitly provide THIS_MODULE in various locations.
It's very dull but touches all drivers.
New device support
* ad5446
- add ids to support compatible parts DAC081S101, DAC101S101,
DAC121S101.
- add the dac7512 id and drop the misc driver as feeling is no
one is using it (was introduced for a board that is long obsolete)
* mt6577
- add bindings for mt2712 which is fully compatible with other
supported parts.
* st_pressure
- add support for LPS33HW and LPS35HW with bindings (ids mostly).
New features
* ccs811
- Add support for the data ready trigger.
* mma8452
- remove artifical restriction on supporting multiple event types
at the same time.
* tcs3472
- support out of threshold events
Core and tree wide cleanup
* Use macro magic to remove the need to provide THIS_MODULE as part of
struct iio_info or struct iio_trigger_ops. This is similar to
work done in a number of other subsystems (e.g. i2c, spi).
All drivers are fixed and then the fields in these structures are
removed.
This will cause build failures for out of tree drivers and any
new drivers that cross with this work going into the kernel.
Note mostly done with a coccinelle patch, included in the series
on the mailing list but not merged as the fields no longer exist
in the structures so the any hold outs will cause a build failure.
Cleanups
* ads1015
- avoid writing config register when it doesn't change.
- add 10% to conversion wait time as it seems it is sometimes
a little small.
* ade7753
- replace use of core mlock with a local lock. This is part of a
long term effort to make the use of mlock opaque and single
purpose.
* ade7759
- expand the use of buf_lock to cover previous mlock cases. This
is a slightly nicer solution to the same issue as in ade7753.
* cros_ec
- drop an unused variable
* inv_mpu6050
- add a missing break in a switch for consistency - not actual
bug,
- make some local arrays static to save on object code size.
* max5481
- drop manual setting of the spi module owner as handled by the
spi core.
* max5487
- drop manual setting of the spi module owner as handled by the
spi core.
* max9611
- drop explicit setting of the i2c module owner as handled by
the i2c core.
* mcp320x
- speed up reads on single channel devices,
- drop unused of_device_id data elements,
- document the struct mcp320x,
- improve binding docs to reflect restrictions on spi setup and
to make it explicit that the reference regulator is needed.
* mma8452
- symbolic to octal permissions,
- unsigned to unsigned int.
* st_lsm6dsx
- avoid setting odr values multiple times,
- drop config of LIR as it is only ever set to the existing
defaults,
- drop rounding configuration as it only ever matches the defaults.
* ti-ads8688
- drop manual setting of the spi module owner as handled by the
spi core.
* tsl2x7x
- constify the i2c_device_id,
- cleanup limit checks to avoid static checker warnings (and generally
have nicer code).
|
||
|
Greg Kroah-Hartman
|
b2e312061c |
First round of IIO fixes for the 4.14 cycle
Note this includes fixes from recent merge window. As such the tree
is based on top of a prior staging/staging-next tree.
* iio core
- return and error for a failed read_reg debugfs call rather than
eating the error.
* ad7192
- Use the dedicated reset function in the ad_sigma_delta library
instead of an spi transfer with the data on the stack which
could cause problems with DMA.
* ad7793
- Implement a dedicate reset function in the ad_sigma_delta library
and use it to correctly reset this part.
* bme280
- ctrl_reg write must occur after any register writes
for updates to take effect.
* mcp320x
- negative voltage readout was broken.
- Fix an oops on module unload due to spi_set_drvdata not being called
in probe.
* st_magn
- Fix the data ready line configuration for the lis3mdl. It is not
configurable so the st_magn core was assuming it didn't exist
and so wasn't consuming interrupts resulting in an unhandled
interrupt.
* stm32-adc
- off by one error on max channels checking.
* stm32-timer
- preset should not be buffered - reorganising register writes avoids
this.
- fix a corner case in which write preset goes wrong when a timer is
used first as a trigger then as a counter with preset. Odd case but
you never know.
* ti-ads1015
- Fix setting of comparator polarity by fixing bitfield definition.
* twl4030
- Error path handling fix to cleanup in event of regulator
registration failure.
- Disable the vusb3v1 regulator correctly in error handling
- Don't paper over a regulator enable failure.
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Merge tag 'iio-fixes-for-4.14a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First round of IIO fixes for the 4.14 cycle
Note this includes fixes from recent merge window. As such the tree
is based on top of a prior staging/staging-next tree.
* iio core
- return and error for a failed read_reg debugfs call rather than
eating the error.
* ad7192
- Use the dedicated reset function in the ad_sigma_delta library
instead of an spi transfer with the data on the stack which
could cause problems with DMA.
* ad7793
- Implement a dedicate reset function in the ad_sigma_delta library
and use it to correctly reset this part.
* bme280
- ctrl_reg write must occur after any register writes
for updates to take effect.
* mcp320x
- negative voltage readout was broken.
- Fix an oops on module unload due to spi_set_drvdata not being called
in probe.
* st_magn
- Fix the data ready line configuration for the lis3mdl. It is not
configurable so the st_magn core was assuming it didn't exist
and so wasn't consuming interrupts resulting in an unhandled
interrupt.
* stm32-adc
- off by one error on max channels checking.
* stm32-timer
- preset should not be buffered - reorganising register writes avoids
this.
- fix a corner case in which write preset goes wrong when a timer is
used first as a trigger then as a counter with preset. Odd case but
you never know.
* ti-ads1015
- Fix setting of comparator polarity by fixing bitfield definition.
* twl4030
- Error path handling fix to cleanup in event of regulator
registration failure.
- Disable the vusb3v1 regulator correctly in error handling
- Don't paper over a regulator enable failure.
|
||
|
Linus Torvalds
|
b42a362e6d |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID update from Jiri Kosina: - Wacom driver fixes/updates (device name generation improvements, touch ring status support) from Jason Gerecke - T100 touchpad support from Hans de Goede - support for batteries driven by HID input reports, from Dmitry Torokhov - Arnd pointed out that driver_lock semaphore is superfluous, as driver core already provides all the necessary concurency protection. Removal patch from Binoy Jayan - logical minimum numbering improvements in sensor-hub driver, from Srinivas Pandruvada - support for Microsoft Win8 Wireless Radio Controls extensions from João Paulo Rechi Vita - assorted small fixes and device ID additions * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (28 commits) HID: prodikeys: constify snd_rawmidi_ops structures HID: sensor: constify platform_device_id HID: input: throttle battery uevents HID: usbmouse: constify usb_device_id and fix space before '[' error HID: usbkbd: constify usb_device_id and fix space before '[' error. HID: hid-sensor-hub: Force logical minimum to 1 for power and report state HID: wacom: Do not completely map WACOM_HID_WD_TOUCHRINGSTATUS usage HID: asus: Add T100CHI bluetooth keyboard dock touchpad support HID: ntrig: constify attribute_group structures. HID: logitech-hidpp: constify attribute_group structures. HID: sensor: constify attribute_group structures. HID: multitouch: constify attribute_group structures. HID: multitouch: use proper symbolic constant for 0xff310076 application HID: multitouch: Support Asus T304UA media keys HID: multitouch: Support HID_GD_WIRELESS_RADIO_CTLS HID: input: optionally use device id in battery name HID: input: map digitizer battery usage HID: Remove the semaphore driver_lock HID: wacom: add USB_HID dependency HID: add ALWAYS_POLL quirk for Logitech 0xc077 ... |
||
|
Lorenzo Bianconi
|
c65e3d6ef4 |
iio: magnetometer: st_magn: fix drdy line configuration for LIS3MDL
Data-ready line in LIS3MDL is routed to drdy pin and it is not possible
to select a different INT pin. st_sensors_set_dataready_irq() assumes
that if drdy int address is not exported in register map, irq trigger
is not supported by the sensor and hw_irq_trigger is always false.
Based on this configuration st_sensors_irq_thread does not consume
generated interrupt causing an unhandled irq.
Fix this taking into account status register address in
st_sensors_set_dataready_irq()
Fixes:
|
||
|
Greg Kroah-Hartman
|
8439a69e72 |
Merge 4.13-rc7 into staging-next
We want the staging and iio fixes in here to handle the merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Jonathan Cameron
|
d177f6af48 |
iio:common: drop assign iio_info.driver_module and iio_trigger_ops.owner
The equivalent of both of these are now done via macro magic when the relevant register calls are made. The actual structure elements will shortly go away. Clearly this set jumps across multiple areas, but inherently it can't be grouped like the other sets in this series so I've done all the stuff in the common directory together. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> |
||
|
Srinivas Pandruvada
|
f1664eaace |
iio: hid-sensor-trigger: Fix the race with user space powering up sensors
It has been reported for a while that with iio-sensor-proxy service the rotation only works after one suspend/resume cycle. This required a wait in the systemd unit file to avoid race. I found a Yoga 900 where I could reproduce this. The problem scenerio is: - During sensor driver init, enable run time PM and also set a auto-suspend for 3 seconds. This result in one runtime resume. But there is a check to avoid a powerup in this sequence, but rpm is active - User space iio-sensor-proxy tries to power up the sensor. Since rpm is active it will simply return. But sensors were not actually powered up in the prior sequence, so actaully the sensors will not work - After 3 seconds the auto suspend kicks If we add a wait in systemd service file to fire iio-sensor-proxy after 3 seconds, then now everything will work as the runtime resume will actually powerup the sensor as this is a user request. To avoid this: - Remove the check to match user requested state, this will cause a brief powerup, but if the iio-sensor-proxy starts immediately it will still work as the sensors are ON. - Also move the autosuspend delay to place when user requested turn off of sensors, like after user finished raw read or buffer disable Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Tested-by: Bastien Nocera <hadess@hadess.net> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Greg Kroah-Hartman
|
8652892ed4 |
Merge 4.13-rc5 into staging-next
We need it here for iio fixes. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Srinivas Pandruvada
|
b0f847e16c |
HID: hid-sensor-hub: Force logical minimum to 1 for power and report state
In the reference HID sensor hub firmware all Named array enums were 0-based. There is no description of the default base of enums in HID sensor hub specification as logical minimum should have set this base value. Every sensor hub implemented enum as 1-based, without explicitly setting logical minimum to 1, because of the implementation by one of the major OS vendor. In Linux we used logical minimum to decide the enum base. Some sensor hub FWs already changed logical minimum from 0 to 1. We hoped that every other vendor will follow. But that didn't happen and we had to fix the report header for every sensor hub to change logical minimum to 1 by using .report_fixup() callback. So for every new sensor hub we had to modify source code by adding this quirk based on the vendor and device id. This is becoming a maintenance burden. This patch hardcodes the logical minimum of power and report state attributes to 1. In this way we can remove the existing quirks and also we don't have to add more quirks. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> |
||
|
Greg Kroah-Hartman
|
055655a9f0 |
First set of IIO fixes for the 4.13 cycle.
* ad2s1210 - Fix negative angular velocity reads (identified by a gcc 7 warning) * aspeed-adc - Wait for initialization sequence to finish before enabling channels. Without it no channels work. * axp288 - Revert a patch that dropped some bogus register mods. No one is entirely sure why but it breaks charging on some devices. - Fix GPADC pin read returning 0. Turns out a small sleep is needed. * bmc150 - Make sure device is restored to normal state after suspend / resume cycle. Otherwise, simple sysfs reads are broken. * tsl2563 - fix wrong event code. * st-accel - add spi 3-wire support. Needed to fix the lsm303agr accelerometer which only had 3 wires in all cases. Side effect is to enable optional 3-wire support for other devices. * st-pressure - disable multiread by default for LPS22HB (only effects SPI) * sun4i-gpadc-iio - fix unbalanced irq enable / disable * vf610 - Fix VALT slection for REFSEL bits - ensures we are using the right reference pins. -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEEbilms4eEBlKRJoGxVIU0mcT0FogFAll0lYgRHGppYzIzQGtl cm5lbC5vcmcACgkQVIU0mcT0FoipzRAAk7wO9hvfl8UwgS6FTLVwQQHjP6MQSZ51 USP2YN0hkBgDLKPQ2PbTt6t5jwboYPhOsd1n6iHWuAkje+W6Ie4JlXJBux/Gp9Wb GuZLLdFG+3Z1ZYcdDWRKs3u95vdku/5hFg63bxloPcpwkLzb82ykyQ4i9BjbGfv8 jrig+l3eghkGp1kl1ChGdeegTcHAVIS/lPm8Ls0BwpWM30tW2Ip4XSkkm+T6IHvT 8gPr1JMEJ5WaKEpDWKmitZQAr8jLAZ0dp9iLGh9qa2o0+OtX8gMYIas0bMHRR+UG 3EM0wWaaeSaOuqYs8ZnqUQE2RcqP6plZWRmLR98rFLrAXPATX/HGMtZ+JQpKwEKm 1H3XZAovwcppJ8X+XI7z6dZnpTCmQwwILYBpWvM/WWQCk2HZLZkFPOlkQyWCI4al 3OhV+6o3XIl/M8aHepcRh3tpwYFDToNhLpo85EC6H7YtwaReY8tfXqNtlO8MMIKm 1ZNVcA6NT8sdFwvyGtqg4yRIcQbx4Uarp11GgW5SSq13EgJ1LHEYC3lFrfn36pes D0oa01pA8hT6e7dPgqmFg6+J2XdWn8R1NVLRn+z+hjimr/BJlsxaZtk1JEJyS/ul qJS8UIEiwELUuze31uuz4QJJQHnPxuHlvM8EIf2c6vxg+l1CeMthXv7Hc9ht1vKg W/xgABUp/EY= =BApO -----END PGP SIGNATURE----- Merge tag 'iio-fixes-for-4.13a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus Jonathan writes: First set of IIO fixes for the 4.13 cycle. * ad2s1210 - Fix negative angular velocity reads (identified by a gcc 7 warning) * aspeed-adc - Wait for initialization sequence to finish before enabling channels. Without it no channels work. * axp288 - Revert a patch that dropped some bogus register mods. No one is entirely sure why but it breaks charging on some devices. - Fix GPADC pin read returning 0. Turns out a small sleep is needed. * bmc150 - Make sure device is restored to normal state after suspend / resume cycle. Otherwise, simple sysfs reads are broken. * tsl2563 - fix wrong event code. * st-accel - add spi 3-wire support. Needed to fix the lsm303agr accelerometer which only had 3 wires in all cases. Side effect is to enable optional 3-wire support for other devices. * st-pressure - disable multiread by default for LPS22HB (only effects SPI) * sun4i-gpadc-iio - fix unbalanced irq enable / disable * vf610 - Fix VALT slection for REFSEL bits - ensures we are using the right reference pins. |
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|
Lorenzo Bianconi
|
a7b8829d24 |
iio: accel: st_accel: add SPI-3wire support
Add SPI Serial Interface Mode (SIM) register information
in st_sensor_settings look up table to support devices
(like LSM303AGR accel sensor) that allow just SPI-3wire
communication mode. SIM mode has to be configured before any
other operation since it is not enabled by default and the driver
is not able to read without that configuration
Whilst a fairly substantial patch, the actual logic is simple and it
is better to have the generic fix than a band aid.
Fixes:
|
||
|
Lorenzo Bianconi
|
250bbbdbed |
iio: common: st_sensors: move st_sensors_of_i2c_probe() in common code
Move st_sensors_of_i2c_probe() in st_sensors_core and rename it in st_sensors_of_name_probe(). That change is necessary to add device-tree support in spi code otherwise the rest of the autodetection will fail since spi->modalias (and indio_dev->name) will be set using compatible string value that differs from standard sensor name Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
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|
Alexander Wuerstlein
|
0483fff4d0 |
iio hid-sensor-trigger: add Kconfig depends on IIO_BUFFER
Building a kernel with my configuration failed with:
> drivers/built-in.o: In function `hid_sensor_setup_batch_mode': staging/drivers/iio/common/hid-sensors/hid-sensor-trigger.c:104: undefined reference to `iio_buffer_set_attrs'
which is fixed by this patch.
Signed-off-by: Alexander Wuerstlein <arw@arw.name>
Fixes:
|
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|
Srinivas Pandruvada
|
138bc7969c |
iio: hid-sensor-hub: Implement batch mode
HID sensor hubs using Integrated Senor Hub (ISH) has added capability to
support batch mode. This allows host processor to go to sleep for extended
duration, while the sensor hub is storing samples in its internal buffers.
'Commit
|
||
|
Song Hongyan
|
a78587d338 |
iio: hid-sensor-rotation: Add "scale" and "offset" properties parse support
Add orientation sensor "scale" and "offset" parse support. These two properties are needed for exponent data conversion. Signed-off-by: Song Hongyan <hongyan.song@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com> Reviewed-by: Xu Even <even.xu@intel.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
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|
Colin Ian King
|
c894acc7bf |
iio: hid-sensor: fix return of -EINVAL on invalid values in ret or value
Ensure that when an invalid value in ret or value is found -EINVAL
is returned. A previous commit broke the way the return error is
being returned and instead caused the return code in ret to be
re-assigned rather than be returned.
Fixes:
|
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|
Greg Kroah-Hartman
|
df47c0a638 |
Fifth set of IIO fixes for the 4.11 cycle.
As these are rather late in the cycle, they may sneak over into 4.12. There is a fix for a regression caused by another fix (hid sensors hardware seems to vary a lot in how various corner cases are handled). * ad7303 - fix channel description. Numeric values were being passed as characters presumably leading to garbage from the userspace interface. * as3935 - the write data macro was wrong so fix it. * bmp280 - incorrect handling of negative values as being unsigned broke humidity calculation. * hid-sensor - Restore the poll and hysteresis values after resume as some hardware doesn't do it. * stm32-trigger - buglet in reading the sampling frequency -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEEbilms4eEBlKRJoGxVIU0mcT0FogFAljw8ScRHGppYzIzQGtl cm5lbC5vcmcACgkQVIU0mcT0FojZvBAAh8K9e+3ObpS6/0wj26/XsakiFn4v2ah0 xKUnafxAVVxU3AU01IJ3CtNdIMyqMwpnB+PvnpgDzZw749QrYKPsBIzheK64eabe fzA34X5MWGLwUdOXpfEB0xvsylWjJrqsf1rahgZjiUKkPeZe9EwzPM/fP1sEl5gu p+vfSMckboFaKheoQwnWMUTBp0HK+nbFpcSBzljX68u+epiXpDGrjuZC8NJ3JuBn Bloz9AhDliIn477H7mIUTXBbt3ixLIDiJ7haQuTNlagosPoUtCBpwY2O9mZ7VRVs wM62h7/F170077ReQJRjlfck+7uHoIgDeS46w5UYTzA1HJLxs+veO5xv3VOtHIUg BZ+mibQyIUBrFeyYDVbeUpBTffiU6rA+yiM4WFwUFabl7t7rlG0NhLEx7OIQcFMm l8u/5JUoJcoykaO8c9Jx5XtrgkXq+rCWVAmhjHqUDAlvsMa6pJWEyqgaVcQeIbdw ns9ppJRlOmEst7lMab9TI7BJp3oCIH6uRmctbme42Rw8XgDFdltxqkxmjB8d+cDC Q0INhNJN1jRgz6rT6lkxVhAYKtaP5T8qZeliT4MO1E59ggOVSSf8zuhjrEMUK397 Tu/k7fmATtiKSG+blwYZVRC3+ixh/oKZsvfwZ4O+mFJyhQ616nKMYAywoaZcM8WT Z1ABipUDwsE= =H5KS -----END PGP SIGNATURE----- Merge tag 'iio-fixes-for-4.11e' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: Fifth set of IIO fixes for the 4.11 cycle. As these are rather late in the cycle, they may sneak over into 4.12. There is a fix for a regression caused by another fix (hid sensors hardware seems to vary a lot in how various corner cases are handled). * ad7303 - fix channel description. Numeric values were being passed as characters presumably leading to garbage from the userspace interface. * as3935 - the write data macro was wrong so fix it. * bmp280 - incorrect handling of negative values as being unsigned broke humidity calculation. * hid-sensor - Restore the poll and hysteresis values after resume as some hardware doesn't do it. * stm32-trigger - buglet in reading the sampling frequency |
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|
Greg Kroah-Hartman
|
d47e538235 |
Fourth set of IIO new device support, features and cleanups for the 4.12 cycle
New device support * max1117, 1118 and 1119 - new ADC driver * max9611 - new ADC driver * pm8xxx hk/xoadc - new driver with some shared features broken out from the SPMI vadc. * sun4i-gpadc - A33 thermal sensor support (with associated rework) * stm32-dac - new driver and bindings * stm32 trigger - enable support of quadrature encoder device and counter modes Features * apds9960 - use the runtime pm for normal suspend * stm32-adc - add opition to sest resolution via devicetree * xoadc - augment DT bindings to deal with some weird mux cases Cleanups * ad5933 - protect direct mode using claim and release helpers * ade7759 - S_IRUGO and friends to octal in two goes * adis16203 - drop unnecessary brackets * hid-sensor - fix unbalanced pm_runtieme_enable error when probing after remove * lsm6dsx - use actual part numbers for device name when known - simplify data read pin parsing * mpu3050 - avoid double reporting errors -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEEbilms4eEBlKRJoGxVIU0mcT0FogFAljxPf4RHGppYzIzQGtl cm5lbC5vcmcACgkQVIU0mcT0FojZfA//UUaFcaEiMJjoUwBQlOM49nueGcAlOOOz blMYe6JIIm3DYjEJnNhlA1Wn83JVitGQopQ4Tt9yrsxc3urt6GiAiRCK1Lwuyauw l1IrdsV9tzbPrauL8UxZYygIYHZx6ltKnpbSHCrXaA2BOTIYzgIBDGmRv+MPutwW iaW+dKJVW5G/5VV0aIaJc2w5wXujFcWkZoiTJgZBHhGJJ5AY6zyA3tBEOIY7K3KO z4EIY6V9pvVaSgvuWGVWQjtYwjqSSqp5J5Ih7ATpp4hPwi+XIudWqaiq1y2rHQKM Y/wqjz+W/NyAJGSFEnub7gE4wGauQtxMiOLTenrfDWkFxF0YRkunylY8Kwcgvmhh +TdHhazlfIHca5z/MJ0dg/4UPj75o2CtB+N1NyNMjx/K7Juu2MmcKNShLa/l68jT rYEuNQUyhTvNuhlYPTcYmGbL7VbyXJzgbVbk9/Dd1hcS+p/oqn18ulGsWxcj5kEI ME+vHOakq02GTAQEG2FLvE604fTt/dHyXdYFsDY0RCm9ZSURvRqFLYpkxyrQFe+P yhC9b6ouW+dPGez0RmwPZTWnH0E6eN5b13yR3ILewj/NUVA6cjlm0inhnck1IwFe NWVQiMz1a2DsXfk5VjBQVlsipHxW9rs8SArdWnndDpbSErQJT/KrCxantmkNciYw oXf1eFCo/MQ= =zHqs -----END PGP SIGNATURE----- Merge tag 'iio-for-4.12d' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: Fourth set of IIO new device support, features and cleanups for the 4.12 cycle New device support * max1117, 1118 and 1119 - new ADC driver * max9611 - new ADC driver * pm8xxx hk/xoadc - new driver with some shared features broken out from the SPMI vadc. * sun4i-gpadc - A33 thermal sensor support (with associated rework) * stm32-dac - new driver and bindings * stm32 trigger - enable support of quadrature encoder device and counter modes Features * apds9960 - use the runtime pm for normal suspend * stm32-adc - add opition to sest resolution via devicetree * xoadc - augment DT bindings to deal with some weird mux cases Cleanups * ad5933 - protect direct mode using claim and release helpers * ade7759 - S_IRUGO and friends to octal in two goes * adis16203 - drop unnecessary brackets * hid-sensor - fix unbalanced pm_runtieme_enable error when probing after remove * lsm6dsx - use actual part numbers for device name when known - simplify data read pin parsing * mpu3050 - avoid double reporting errors |
||
|
Greg Kroah-Hartman
|
f78a8236c6 |
Merge 4.11-rc6 into staging-next
We want the staging and iio fixes in here to handle merging easier. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Srinivas Pandruvada
|
c94f5806cd |
iio: hid-sensor: Fix unbalanced pm_runtime_enable error
When a hid sensor module is removed and modprobed again we see error for unbalanced pm_runtime. This issue is caused by not deactivating runtime PM on removal. So on modprobe again when activated again, this will print this error. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
|
Srinivas Pandruvada
|
5d9854eaea |
iio: hid-sensor: Store restore poll and hysteresis on S3
This change undo the change done by 'commit |
||
|
Greg Kroah-Hartman
|
edf5e79422 |
Third set of new device support, cleanups and features for IIO in the 4.12 cycle
Somewhat dominated in patch numbers of last of the outreachy application window related patches (they are still coming, despite window being closed which is good to see!) Good set of new drivers as well. New device support * ASPEED ADC - new driver * cpcap PMIC ADC - new driver * hid-humidity - driver for HID compatible humidity sensors. * ltc2497 ADC - new driver * mpu6050 - bring bindings up to date and add trivial support for 9250 * rockchip-saradc - update bindings to cover rk3328 * vl6180 light, proximity and time of flight sensor. - new driver Features * meson-saradc - add calibration Cleanup and minor fixes * ad5504 - constify attribute_group structure - drop casting of void * * ad7150 - replace some shifts of 1 by BIT macro usage * ad7152 - blank lines between function definitions * ad7280a - octal permissions. * ad7606 - replace use of core mlock mutex with a local lock * ad7746 - replace some shifts of 1 by BIT macro usage - function parameter alignment - drop some excessive brackets (introduced in last pull request) * ad7753 - white space cleanup * ad7754 - includes in alphabetical order and groupped appropriately. - change from missuse of internal mlock mutex to using the buffer lock to also protect values during frequency update. * ad779x - constify attribute_group structures * ad9832 - octal permissions * adis16060 - remove use of core mlock mutex in favour of adding a local _spi_write_then_read which can use the local buffer protection lock. - fix naming of above function. * adis16203 - remove locking during reads of calibbias that doesn't protect anything not protected elsewhere. * adis16209 - remove unnecessary braces in single statement if * adis16240 - remove unnecessary braces in single statement if * adt7136 - drop excess blank lines and put some in between functions. * ams-iaq - replace comma with semi colon. Not actual bug, just unusual syntax. * apds9960 - constify attribute group structure * as3935 - constify attribute group structure * bm1750 - constify attribute group structure * cros_ec - devm version of triggered buffer setup to simplify code. * exynos - drop casting of void * * hdc100x - constify attribute_group structure * hid-accel - fix wrong scale for newly introduced gravity sensor. * hts221 - drop casting of void * * hx711 - constify attribute_group structure * imx7d_adc - drop casting of void * * lm35333 - constify attribute_group structure * lsm6dsx - drop casting of void * - hold ODR configuration until enabling to avoid a race condition. * max1027 - drop casting of void * * max11100 - fix a comma where semicolon was intended (no actual bug, just odd) * max1363 - constify attribute_group structure * ms sensors - drop casting of void * * rockchip_saradc - drop casting of void * * sun4i-gpadc - fix missing dependency on THERMAL or presence of stubs (issue only introduced in pervious set) - drop casting of void * * tsl2x7x - fix wrong standard deviation calc. Note these aren't actually used for anything at the moment so bug didn't really matter. - constify attribute group structure. * vf610adc - drop casting of void * * vz89x - replace comma with semicolon. Not actual bug, just odd syntax. * zpa2326 - drop casting of void * -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEEbilms4eEBlKRJoGxVIU0mcT0FogFAljhRoIRHGppYzIzQGtl cm5lbC5vcmcACgkQVIU0mcT0Fohx7Q//ZFhtcXjdZhc38u2LbbKYL68PLK2upREm 2lXOgM7WzRAxWKTk3om2b2Wc289dWclGe5eJp2gpV8HjnoOxiiGFyzZvDOA1mL1E rHBhlytSxOqOGs9ELMfkAWYfTtW28LN4+6bYM7kJ0ItDptxvBEyxh4KLYlkWpYpc LSk26+N29n2ZMeb0yCmwQgkHMWF6kK7bpDhAF530x8hN6vSd8C+OE0G2pb4SaAn6 wNANJ2SUwAq6jS2TzcQfjTjKnIK9/jwRZCWoEr/JL/I7M8kpQGXzIapzNhNyCODL ymuylr/LP82rf3Kp/himx4wxTHQ99GQHhiQedIJTGSjcCSR6mpTtwYfoMJ6rmoDZ t60FC9worLoqTnqIUxaP3yQSqwy/Hj1Kd1IJmiZFJjm4ki8/YxTHbQfFS6OK0s2j lZKN8WYvytZNArdrxMKjNGUt8y3dW1orP31ykNoxN4znhVQTGIoSc5D4Oi2NUTmY MhM97jzLmlOgMVHp5NAkb9iiz0JccobIFQnwjyiyyS3Q6FW4hQeypzoBO+HhZoYz d6+3zK2LAz8+idN8UsiALYtVLII/khhMw0N0/jLiqNW3Ceh4DPdP4BTz8aa8bNNc DpzeFjhHzXqmBvwyvneGaUZIRGM1uNR8FO7+qsjmw1uet7Kfyfs2arL6KfeThox7 nxVGjupwpuo= =YYdq -----END PGP SIGNATURE----- Merge tag 'iio-for-4.12c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Third set of new device support, cleanups and features for IIO in the 4.12 cycle Somewhat dominated in patch numbers of last of the outreachy application window related patches (they are still coming, despite window being closed which is good to see!) Good set of new drivers as well. New device support * ASPEED ADC - new driver * cpcap PMIC ADC - new driver * hid-humidity - driver for HID compatible humidity sensors. * ltc2497 ADC - new driver * mpu6050 - bring bindings up to date and add trivial support for 9250 * rockchip-saradc - update bindings to cover rk3328 * vl6180 light, proximity and time of flight sensor. - new driver Features * meson-saradc - add calibration Cleanup and minor fixes * ad5504 - constify attribute_group structure - drop casting of void * * ad7150 - replace some shifts of 1 by BIT macro usage * ad7152 - blank lines between function definitions * ad7280a - octal permissions. * ad7606 - replace use of core mlock mutex with a local lock * ad7746 - replace some shifts of 1 by BIT macro usage - function parameter alignment - drop some excessive brackets (introduced in last pull request) * ad7753 - white space cleanup * ad7754 - includes in alphabetical order and groupped appropriately. - change from missuse of internal mlock mutex to using the buffer lock to also protect values during frequency update. * ad779x - constify attribute_group structures * ad9832 - octal permissions * adis16060 - remove use of core mlock mutex in favour of adding a local _spi_write_then_read which can use the local buffer protection lock. - fix naming of above function. * adis16203 - remove locking during reads of calibbias that doesn't protect anything not protected elsewhere. * adis16209 - remove unnecessary braces in single statement if * adis16240 - remove unnecessary braces in single statement if * adt7136 - drop excess blank lines and put some in between functions. * ams-iaq - replace comma with semi colon. Not actual bug, just unusual syntax. * apds9960 - constify attribute group structure * as3935 - constify attribute group structure * bm1750 - constify attribute group structure * cros_ec - devm version of triggered buffer setup to simplify code. * exynos - drop casting of void * * hdc100x - constify attribute_group structure * hid-accel - fix wrong scale for newly introduced gravity sensor. * hts221 - drop casting of void * * hx711 - constify attribute_group structure * imx7d_adc - drop casting of void * * lm35333 - constify attribute_group structure * lsm6dsx - drop casting of void * - hold ODR configuration until enabling to avoid a race condition. * max1027 - drop casting of void * * max11100 - fix a comma where semicolon was intended (no actual bug, just odd) * max1363 - constify attribute_group structure * ms sensors - drop casting of void * * rockchip_saradc - drop casting of void * * sun4i-gpadc - fix missing dependency on THERMAL or presence of stubs (issue only introduced in pervious set) - drop casting of void * * tsl2x7x - fix wrong standard deviation calc. Note these aren't actually used for anything at the moment so bug didn't really matter. - constify attribute group structure. * vf610adc - drop casting of void * * vz89x - replace comma with semicolon. Not actual bug, just odd syntax. * zpa2326 - drop casting of void * |
||
|
Song Hongyan
|
bba6d9e47f |
iio: hid-sensor-attributes: Fix sensor property setting failure.
When system bootup without get sensor property, set sensor
property will be fail.
If no get_feature operation done before set_feature, the sensor
properties will all be the initialized value, which is not the
same with sensor real properties. When set sensor property it will
write back to sensor the changed perperty data combines with other
sensor properties data, it is not right and may be dangerous.
In order to get all sensor properties, choose to read one of the sensor
properties(no matter read any sensor peroperty, driver will get all
the peroperties and return the requested one).
Fixes:
|
||
|
simran singhal
|
6c6c0987f9 |
iio: common: ms_sensors: Remove unnecessary cast on void pointer
The following Coccinelle script was used to detect this: @r@ expression x; void* e; type T; identifier f; @@ ( *((T *)e) | ((T *)x)[...] | ((T*)x)->f | - (T*) e ) Signed-off-by: simran singhal <singhalsimran0@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
|
Greg Kroah-Hartman
|
1c816bad41 |
Merge 4.11-rc4 into staging-next
We need the IIO fixes in here as well to handle merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Song Hongyan
|
d7ed89d5aa |
iio: hid: Add humidity sensor support
Environmental humidity sensor is a hid defined sensor, it shows raw humidity measurement of air. More information can be found in: http://www.usb.org/developers/hidpage/HUTRR39b.pdf According to IIO ABI definition, humidityrelative data output unit is milli percent. Add the unit convert from percent to milli percent. Signed-off-by: Song Hongyan <hongyan.song@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
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Song Hongyan
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e0ad9b73e8 |
iio: hid-sensor-attributes: Fix gravity sensor scale value not right issue
Scale value include two parts: unit conversion and exponent conversion. Add gravity unit convert table to fix gravity sensor scale value not right issue. Signed-off-by: Song Hongyan <hongyan.song@intel.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
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Enric Balletbo i Serra
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754434c445 |
iio: cros_ec_sensors: Use devm to setup the triggered buffer.
Use resourced managed function devm_iio_triggered_buffer_setup to make error path simpler and be able to get rid of the remove function. Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
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Enric Balletbo i Serra
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a096926ed4 |
iio: cros_ec_sensors: Fix return value to get raw and calibbias data.
The cros_ec_sensors_read function must return the type of value on all
cases. This was always true except for RAW and CALIBBIAS data which
returned an error or 0. This patch just fixes the mistake I introduced
when submitting the series.
Fixes: commit
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Song Hongyan
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3bec247474 |
iio: hid-sensor-trigger: Change get poll value function order to avoid sensor properties losing after resume from S3
In function _hid_sensor_power_state(), when hid_sensor_read_poll_value() is called, sensor's all properties will be updated by the value from sensor hardware/firmware. In some implementation, sensor hardware/firmware will do a power cycle during S3. In this case, after resume, once hid_sensor_read_poll_value() is called, sensor's all properties which are kept by driver during S3 will be changed to default value. But instead, if a set feature function is called first, sensor hardware/firmware will be recovered to the last status. So change the sensor_hub_set_feature() calling order to behind of set feature function to avoid sensor properties lose. Signed-off-by: Song Hongyan <hongyan.song@intel.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
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Song Hongyan
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59d0f2da35 |
iio: hid: Add temperature sensor support
Environmental temperature sensor is a hid defined sensor, it measures temperature. More information can be found in: http://www.usb.org/developers/hidpage/HUTRR39b.pdf According to IIO ABI definition, IIO_TEMP data output unit is milli degrees Celsius. Add the unit convert from degree to milli degree. Signed-off-by: Song Hongyan <hongyan.song@intel.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
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Greg Kroah-Hartman
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4463c3e72d |
First round of new device support, features and cleanups for IIO in the 4.11 cycle.
It's shaping to be another fairly busy cycle. Lots more on the way! New device support * ads7950 - new driver supporting ads7950, ads7951, ads7952, ads7953, ads7954, ads7955, ads7956, ads7957, ads7958, ads7959, ads7960, and ads7961 ADCs. * cm3605 - New driver for this light sensor and proximity sensor which is an analog part with some additional digital controls. * hx711 - New driver. Core new stuff * Gravity sensor type. This is a processed datastream in which the device will try to work out which way is down. * Split the buffer.h file into two parts. One provides the interface to 'use' a buffer, the second provides the internals of the buffer functionality as needed by implementations of buffers. - Move documentation inline so as to allow use of private: tag when generating documentation. - Add some utility functions for the few things that are directly done with the buffers. - Stop exporting functions that no-one uses outside of the core code. - Push docs down by the code in the c file where they should have always been. - Fix typo in kernel-doc for buffer. - push down some includes that were previously happening implicitly. - stop enabling the timestamp of the dummy device. Features and cleanups * ad5592r - ACPI support * ad5593r -ACPI support. * ad5933 - Fix a false comment about size of a particular register. * ad7150 - replace S_IRUGO | S_IWUSR with 0644. I'm not that keen on these patches in general, but as it was nicely presented I took this one anyway. As a general rule will only take these as part of a larger driver cleanup. - don't eat an error but rather reutnr it in the write_event_config callback. * ad7606 - replace non standard range attibute with _scale * ade7753 - use usleep_range for short sleeps * ade7754 - use usleep_range for short sleeps * ade7758 - use usleep_range for short sleeps * ade7759 - use usleep_range for short sleeps * |
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Jonathan Cameron
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8abd5ba539 |
iio:kfifo_buf header include push down.
As a precursor to splitting buffer.h, lets make sure all drivers include the relevant headers rather than relying on picking them up from kfifo_buf.h. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> |
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Linus Walleij
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65e4345c8e |
iio: accel: st_accel: fix LIS3LV02 reading and scaling
The LIS3LV02 has a special bit that need to be set to get the
read values left aligned. Before this patch we get gibberish
like this:
iio_generic_buffer -a -c10 -n lis3lv02dl_accel
(...)
0.000000 -0.010042 -0.642688 19155832931907
0.000000 -0.010042 -0.642688 19155858751073
Which is because we read a raw value for 1g as 64 which is
the nominal 1024 for 1g shifted 4 bits to the left by being
right-aligned rather than left aligned.
Since all other sensors are left aligned, add some code to
set the special DAS (data alignment setting) bit to 1 so that
the right value is now read like this:
iio_generic_buffer -a -c10 -n lis3lv02dl_accel
(...)
0.000000 -0.147095 -10.120135 24761614364956
-0.029419 -0.176514 -10.120135 24761631624540
The scaling was weird as well: we have a gain of 1000 for 1g
and 3000 for 6g. I don't even remember how I came up with the
old values but they are wrong.
Fixes:
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