Commit Graph

5992 Commits

Author SHA1 Message Date
Linus Torvalds
0b51733372 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
 "Switching a few devices with Synaptics over to SMbus and disabling
  SMbus on a couple devices with Elan touchpads as they need more
  plumbing on PS/2 side"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: synaptics - enable SMBus for HP EliteBook 840 G4
  Input: elantech - disable elan-i2c for P52 and P72
  Input: synaptics - enable RMI on ThinkPad T560
  Input: omap-keypad - fix idle configuration to not block SoC idle states
2018-12-21 09:09:30 -08:00
Mantas Mikulėnas
7a71712293 Input: synaptics - enable SMBus for HP EliteBook 840 G4
dmesg reports that "Your touchpad (PNP: SYN3052 SYN0100 SYN0002 PNP0f13)
says it can support a different bus."

I've tested the offered psmouse.synaptics_intertouch=1 with 4.18.x and
4.19.x and it seems to work well. No problems seen with suspend/resume.

Also, it appears that RMI/SMBus mode is actually required for 3-4 finger
multitouch gestures to work -- otherwise they are not reported at all.

Information from dmesg in both modes:

  psmouse serio3: synaptics: Touchpad model: 1, fw: 8.2, id: 0x1e2b1,
      caps: 0xf00123/0x840300/0x2e800/0x0, board id: 3139, fw id: 2000742

  psmouse serio3: synaptics: Trying to set up SMBus access
  rmi4_smbus 6-002c: registering SMbus-connected sensor
  rmi4_f01 rmi4-00.fn01: found RMI device,
      manufacturer: Synaptics, product: TM3139-001, fw id: 2000742

Signed-off-by: Mantas Mikulėnas <grawity@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-12-21 01:09:17 -08:00
Benjamin Tissoires
d21ff5d7f8 Input: elantech - disable elan-i2c for P52 and P72
The current implementation of elan_i2c is known to not support those
2 laptops.

A proper fix is to tweak both elantech and elan_i2c to transmit the
correct information from PS/2, which would make a bad candidate for
stable.

So to give us some time for fixing the root of the problem, disable
elan_i2c for the devices we know are not behaving properly.

Link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803600
Link: https://bugs.archlinux.org/task/59714
Fixes: df077237cf Input: elantech - detect new ICs and setup Host Notify for them

Cc: stable@vger.kernel.org  # v4.18+
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-12-21 00:57:01 -08:00
Yussuf Khalil
ca5047286c Input: synaptics - enable RMI on ThinkPad T560
Before commit 7fd6d98b89 ("i2c: i801: Allow ACPI AML access I/O
ports not reserved for SMBus"), enabling RMI on the T560 would cause
the touchpad to stop working after resuming from suspend. Now that
this issue is fixed, RMI can be enabled safely and works fine.

Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Yussuf Khalil <dev@pp3345.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-12-08 21:51:02 -08:00
Tony Lindgren
e2ca26ec4f Input: omap-keypad - fix idle configuration to not block SoC idle states
With PM enabled, I noticed that pressing a key on the droid4 keyboard will
block deeper idle states for the SoC. Let's fix this by using IRQF_ONESHOT
and stop constantly toggling the device OMAP4_KBD_IRQENABLE register as
suggested by Dmitry Torokhov <dmitry.torokhov@gmail.com>.

From the hardware point of view, looks like we need to manage the registers
for OMAP4_KBD_IRQENABLE and OMAP4_KBD_WAKEUPENABLE together to avoid
blocking deeper SoC idle states. And with toggling of OMAP4_KBD_IRQENABLE
register now gone with IRQF_ONESHOT, also the SoC idle state problem is
gone during runtime. We still also need to clear OMAP4_KBD_WAKEUPENABLE in
omap4_keypad_close() though to pair it with omap4_keypad_open() to prevent
blocking deeper SoC idle states after rmmod omap4-keypad.

Reported-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-12-08 21:48:48 -08:00
Linus Torvalds
adac0753c2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
 "Mostly new IDs for Elan/Synaptics touchpads, plus a few small fixups"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: omap-keypad - fix keyboard debounce configuration
  Input: xpad - quirk all PDP Xbox One gamepads
  Input: synaptics - enable SMBus for HP 15-ay000
  Input: synaptics - add PNP ID for ThinkPad P50 to SMBus
  Input: elan_i2c - add ACPI ID for Lenovo IdeaPad 330-15ARR
  Input: elan_i2c - add support for ELAN0621 touchpad
  Input: hyper-v - fix wakeup from suspend-to-idle
  Input: atkbd - clean up indentation issue
  Input: st1232 - convert to SPDX identifiers
  Input: migor_ts - convert to SPDX identifiers
  Input: dt-bindings - fix a typo in file input-reset.txt
  Input: cros_ec_keyb - fix button/switch capability reports
  Input: elan_i2c - add ELAN0620 to the ACPI table
  Input: matrix_keypad - check for errors from of_get_named_gpio()
2018-12-04 08:47:04 -08:00
Tony Lindgren
6c3516fed7 Input: omap-keypad - fix keyboard debounce configuration
I noticed that the Android v3.0.8 kernel on droid4 is using different
keypad values from the mainline kernel and does not have issues with
keys occasionally being stuck until pressed again. Turns out there was
an earlier patch posted to fix this as "Input: omap-keypad: errata i689:
Correct debounce time", but it was never reposted to fix use macros
for timing calculations.

This updated version is using macros, and also fixes the use of the
input clock rate to use 32768KiHz instead of 32000KiHz. And we want to
use the known good Android kernel values of 3 and 6 instead of 2 and 6
in the earlier patch.

Reported-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-12-03 11:37:55 -08:00
Cameron Gutman
a6754fae1e Input: xpad - quirk all PDP Xbox One gamepads
Since we continue to find tons of new variants [0,1,2,3,4,5,6] that
need the PDP quirk, let's just quirk all devices from PDP.

[0]: https://github.com/paroj/xpad/pull/104
[1]: https://github.com/paroj/xpad/pull/105
[2]: https://github.com/paroj/xpad/pull/108
[3]: https://github.com/paroj/xpad/pull/109
[4]: https://github.com/paroj/xpad/pull/112
[5]: https://github.com/paroj/xpad/pull/115
[6]: https://github.com/paroj/xpad/pull/116

Fixes: e5c9c6a885 ("Input: xpad - add support for PDP Xbox One controllers")
Cc: stable@vger.kernel.org
Signed-off-by: Cameron Gutman <aicommander@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-12-03 11:37:54 -08:00
Teika Kazura
5a6dab15f7 Input: synaptics - enable SMBus for HP 15-ay000
SMBus works fine for the touchpad with id SYN3221, used in the HP 15-ay000
series,

This device has been reported in these messages in the "linux-input"
mailing list:
* https://marc.info/?l=linux-input&m=152016683003369&w=2
* https://www.spinics.net/lists/linux-input/msg52525.html

Reported-by: Nitesh Debnath <niteshkd1999@gmail.com>
Reported-by: Teika Kazura <teika@gmx.com>
Signed-off-by: Teika Kazura <teika@gmx.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-12-03 11:37:17 -08:00
Lyude Paul
9df39bedbf Input: synaptics - add PNP ID for ThinkPad P50 to SMBus
Noticed the other day the trackpoint felt different on my P50, then
realized it was because rmi4 wasn't loading for this machine
automatically. Suspend/resume, hibernate, and everything else seem to
work perfectly fine on here.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-12-03 11:37:17 -08:00
Noah Westervelt
ad33429cd0 Input: elan_i2c - add ACPI ID for Lenovo IdeaPad 330-15ARR
Add ELAN061E to the ACPI table to support Elan touchpad found in Lenovo
IdeaPad 330-15ARR.

Signed-off-by: Noah Westervelt <nwestervelt@outlook.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-12-03 11:37:16 -08:00
Adam Wong
bf87ade0dd Input: elan_i2c - add support for ELAN0621 touchpad
Added the ability to detect the ELAN0621 touchpad found in some Lenovo
laptops.

Signed-off-by: Adam Wong <adam@adamwong.me>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-12-03 11:37:15 -08:00
Vitaly Kuznetsov
10f91c73cc Input: hyper-v - fix wakeup from suspend-to-idle
It makes little sense but still possible to put Hyper-V guests into
suspend-to-idle state. To wake them up two wakeup sources were registered
in the past: hyperv-keyboard and hid-hyperv. However, since
commit eed4d47efe ("ACPI / sleep: Ignore spurious SCI wakeups from
suspend-to-idle") pm_wakeup_event() from these devices is ignored. Switch
to pm_wakeup_hard_event() API as these devices are actually the only
possible way to wakeup Hyper-V guests.

Fixes: eed4d47efe (ACPI / sleep: Ignore spurious SCI wakeups from suspend-to-idle)
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-11-15 11:05:53 -08:00
Colin Ian King
e94b9f12fa Input: atkbd - clean up indentation issue
Trivial fix to clean up indentation issues, add missing tab

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-11-12 11:52:37 -08:00
Kuninori Morimoto
4aeba6418a Input: st1232 - convert to SPDX identifiers
This patch updates license to use SPDX-License-Identifier
instead of verbose license text.

As original license mentioned, it is GPL-2.0 in SPDX.
Then, MODULE_LICENSE() should be "GPL v2" instead of "GPL".
See ${LINUX}/include/linux/module.h

	"GPL"		[GNU Public License v2 or later]
	"GPL v2"	[GNU Public License v2]

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-11-12 11:52:36 -08:00
Kuninori Morimoto
dda2af7418 Input: migor_ts - convert to SPDX identifiers
This patch updates license to use SPDX-License-Identifier
instead of verbose license text.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-11-12 11:52:05 -08:00
Brian Norris
ac5722c164 Input: cros_ec_keyb - fix button/switch capability reports
The cros_ec_keyb_bs array lists buttons and switches together, expecting
that its users will match the appropriate type and bit fields. But
cros_ec_keyb_register_bs() only checks the 'bit' field, which causes
misreported input capabilities in some cases. For example, tablets
(e.g., Scarlet -- a.k.a. Acer Chromebook Tab 10) were reporting a SW_LID
capability, because EC_MKBP_POWER_BUTTON and EC_MKBP_LID_OPEN happen to
share the same bit.

(This has comedic effect on a tablet, in which a power-management daemon
then thinks this "lid" is closed, and so puts the system to sleep as
soon as it boots!)

To fix this, check both the 'ev_type' and 'bit' fields before reporting
the capability.

Tested with a lid (Kevin / Samsung Chromebook Plus) and without a lid
(Scarlet / Acer Chromebook Tab 10).

This error got introduced when porting the feature from the downstream
Chromium OS kernel to be upstreamed.

Fixes: cdd7950e7a ("input: cros_ec_keyb: Add non-matrix buttons and switches")
Cc: <stable@vger.kernel.org>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-11-12 11:52:04 -08:00
Patrick Gaskin
3ed64da3b7 Input: elan_i2c - add ELAN0620 to the ACPI table
Add ELAN0620 to the ACPI table to support the elan touchpad in
the Lenovo IdeaPad 130-15IKB.

Signed-off-by: Patrick Gaskin <patrick@pgaskin.net>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-11-12 11:52:03 -08:00
Christian Hoff
d55bda1b3e Input: matrix_keypad - check for errors from of_get_named_gpio()
"of_get_named_gpio()" returns a negative error value if it fails
and drivers should check for this. This missing check was now
added to the matrix_keypad driver.

In my case "of_get_named_gpio()" returned -EPROBE_DEFER because
the referenced GPIOs belong to an I/O expander, which was not yet
probed at the point in time when the matrix_keypad driver was
loading. Because the driver did not check for errors from the
"of_get_named_gpio()" routine, it was assuming that "-EPROBE_DEFER"
is actually a GPIO number and continued as usual, which led to further
errors like this later on:

WARNING: CPU: 3 PID: 167 at drivers/gpio/gpiolib.c:114
gpio_to_desc+0xc8/0xd0
invalid GPIO -517

Note that the "GPIO number" -517 in the error message above is
actually "-EPROBE_DEFER".

As part of the patch a misleading error message "no platform data defined"
was also removed. This does not lead to information loss because the other
error paths in matrix_keypad_parse_dt() already print an error.

Signed-off-by: Christian Hoff <christian_hoff@gmx.net>
Suggested-by: Sebastian Reichel <sre@kernel.org>
Reviewed-by: Sebastian Reichel <sre@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-11-12 11:52:03 -08:00
Linus Torvalds
dad4f140ed Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax
Pull XArray conversion from Matthew Wilcox:
 "The XArray provides an improved interface to the radix tree data
  structure, providing locking as part of the API, specifying GFP flags
  at allocation time, eliminating preloading, less re-walking the tree,
  more efficient iterations and not exposing RCU-protected pointers to
  its users.

  This patch set

   1. Introduces the XArray implementation

   2. Converts the pagecache to use it

   3. Converts memremap to use it

  The page cache is the most complex and important user of the radix
  tree, so converting it was most important. Converting the memremap
  code removes the only other user of the multiorder code, which allows
  us to remove the radix tree code that supported it.

  I have 40+ followup patches to convert many other users of the radix
  tree over to the XArray, but I'd like to get this part in first. The
  other conversions haven't been in linux-next and aren't suitable for
  applying yet, but you can see them in the xarray-conv branch if you're
  interested"

* 'xarray' of git://git.infradead.org/users/willy/linux-dax: (90 commits)
  radix tree: Remove multiorder support
  radix tree test: Convert multiorder tests to XArray
  radix tree tests: Convert item_delete_rcu to XArray
  radix tree tests: Convert item_kill_tree to XArray
  radix tree tests: Move item_insert_order
  radix tree test suite: Remove multiorder benchmarking
  radix tree test suite: Remove __item_insert
  memremap: Convert to XArray
  xarray: Add range store functionality
  xarray: Move multiorder_check to in-kernel tests
  xarray: Move multiorder_shrink to kernel tests
  xarray: Move multiorder account test in-kernel
  radix tree test suite: Convert iteration test to XArray
  radix tree test suite: Convert tag_tagged_items to XArray
  radix tree: Remove radix_tree_clear_tags
  radix tree: Remove radix_tree_maybe_preload_order
  radix tree: Remove split/join code
  radix tree: Remove radix_tree_update_node_t
  page cache: Finish XArray conversion
  dax: Convert page fault handlers to XArray
  ...
2018-10-28 11:35:40 -07:00
Linus Torvalds
ed3f4e2398 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
 "Just random driver fixups, nothing exiting"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: synaptics - avoid using uninitialized variable when probing
  Input: xen-kbdfront - mark expected switch fall-through
  Input: atmel_mxt_ts - mark expected switch fall-through
  Input: cyapa - mark expected switch fall-throughs
  Input: wm97xx-ts - fix exit path
  Input: of_touchscreen - add support for touchscreen-min-x|y
  Input: Fix DIR-685 touchkeys MAINTAINERS entry
  Input: elants_i2c - use DMA safe i2c when possible
  Input: silead - try firmware reload after unsuccessful resume
  Input: st1232 - set INPUT_PROP_DIRECT property
  Input: xilinx_ps2 - convert to using %pOFn instead of device_node.name
  Input: atmel_mxt_ts - fix multiple <linux/property.h> includes
  Input: sun4i-lradc - convert to using %pOFn instead of device_node.name
  Input: pwm-vibrator - correct pwms in DT binding example
2018-10-27 10:20:39 -07:00
Linus Torvalds
3ea172c84d - New Drivers
- Add support for USART SPI to AT91*
 
  - New Functionality
    - Add support for Audio CODECs to motorola-cpcap
 
  - Fix-ups
    - DT documentation fix-ups; atmel-usart
    - Staticise functions/structs; spi-at91-usart, arizona-core
    - Constify; ti-lmu
    - Fix memory leaks; menelaus
    - Change device 'wake-up' status; ti_am335x_tscadc, max8997
    - Power Management (suspend/resume) semantic changes; ti_am335x_adc, cros_ec, max8997
    - SPDX churn; sec-core (+ headers), max* (+ headers), intel* (+ headers),
    - Trivial (whitespace, email addresses, alphabetisise); Kconfig, adp5520, intel_soc_pmic_*
    - Build as module; sec-irq
    - Use new %pOFn printk format for device_node.name; max77620
    - Remove unused code; madera
    - Use generic MACROs; intel_msic, intel_soc_pmic_crc
    - Move to GPIOD; ti-lmu
    - Use managed resources; ti-lmu
 
  - Bug Fixes
    - Add missing headers; at91-usart
    - Prevent device from entering low-power mode; arizona-core
    - Poll for BOOT_DONE to avoid still-booting NACK; madera-core
    - Prevent ADC read from shutting down device; mc13xxx-core
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Merge tag 'mfd-next-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers
   - Add support for USART SPI to AT91*

  New Functionality
   - Add support for Audio CODECs to motorola-cpcap

  Fix-ups
   - DT documentation fix-ups; atmel-usart
   - Staticise functions/structs; spi-at91-usart, arizona-core
   - Constify; ti-lmu
   - Fix memory leaks; menelaus
   - Change device 'wake-up' status; ti_am335x_tscadc, max8997
   - Power Management (suspend/resume) semantic changes; ti_am335x_adc, cros_ec, max8997
   - SPDX churn; sec-core (+ headers), max* (+ headers), intel* (+ headers),
   - Trivial (whitespace, email addresses, alphabetisise); Kconfig, adp5520, intel_soc_pmic_*
   - Build as module; sec-irq
   - Use new %pOFn printk format for device_node.name; max77620
   - Remove unused code; madera
   - Use generic MACROs; intel_msic, intel_soc_pmic_crc
   - Move to GPIOD; ti-lmu
   - Use managed resources; ti-lmu

  Bug Fixes
   - Add missing headers; at91-usart
   - Prevent device from entering low-power mode; arizona-core
   - Poll for BOOT_DONE to avoid still-booting NACK; madera-core
   - Prevent ADC read from shutting down device; mc13xxx-core"

* tag 'mfd-next-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (45 commits)
  mfd: cros_ec: Avoid unneeded internal declaration warning
  mfd: ti-lmu: Use of_device_get_match_data() helper
  mfd: ti-lmu: Use managed resource for everything
  mfd: ti-lmu: Switch to GPIOD
  mfd: ti-lmu: constify mfd_cell tables
  mfd: max8997: Disable interrupt handling for suspend/resume cycle
  mfd: max8997: Enale irq-wakeup unconditionally
  mfd: arizona: Make array mclk_name static, shrinks object size
  MAINTAINERS: Add myself as designated reviewer of Intel MFD PMIC
  mfd: Convert Intel PMIC drivers to use SPDX identifier 1;5201;0c Reduce size of duplicated comments by switching to use SPDX identifier.
  mfd: Sort headers alphabetically for Intel PMIC drivers
  mfd: intel_soc_pmic_bxtwc: Chain power button IRQs as well
  mfd: intel_soc_pmic_crc: Use REGMAP_IRQ_REG() macro
  mfd: intel_soc_pmic_crc: Use DEFINE_RES_IRQ_NAMED() macro
  mfd: intel_msic: Use DEFINE_RES_IRQ() macro
  mfd: motorola-cpcap: Add audio-codec support
  mfd: mc13xxx-core: Fix PMIC shutdown when reading ADC values
  mfd: madera: Remove unused forward reference
  mfd: max77620: Convert to using %pOFn instead of device_node.name
  mfd: madera: Don't use regmap_read_poll_timeout to poll for BOOT_DONE
  ...
2018-10-25 06:19:15 -07:00
Linus Torvalds
44adbac8f7 Merge branch 'work.tty-ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull tty ioctl updates from Al Viro:
 "This is the compat_ioctl work related to tty ioctls.

  Quite a bit of dead code taken out, all tty-related stuff gone from
  fs/compat_ioctl.c. A bunch of compat bugs fixed - some still remain,
  but all more or less generic tty-related ioctls should be covered
  (remaining issues are in things like driver-private ioctls in a pcmcia
  serial card driver not getting properly handled in 32bit processes on
  64bit host, etc)"

* 'work.tty-ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (53 commits)
  kill TIOCSERGSTRUCT
  change semantics of ldisc ->compat_ioctl()
  kill TIOCSER[SG]WILD
  synclink_gt(): fix compat_ioctl()
  pty: fix compat ioctls
  compat_ioctl - kill keyboard ioctl handling
  gigaset: add ->compat_ioctl()
  vt_compat_ioctl(): clean up, use compat_ptr() properly
  gigaset: don't try to printk userland buffer contents
  dgnc: don't bother with (empty) stub for TCXONC
  dgnc: leave TIOC[GS]SOFTCAR to ldisc
  remove fallback to drivers for TIOCGICOUNT
  dgnc: break-related ioctls won't reach ->ioctl()
  kill the rest of tty COMPAT_IOCTL() entries
  dgnc: TIOCM... won't reach ->ioctl()
  isdn_tty: TCSBRK{,P} won't reach ->ioctl()
  kill capinc_tty_ioctl()
  take compat TIOC[SG]SERIAL treatment into tty_compat_ioctl()
  synclink: reduce pointless checks in ->ioctl()
  complete ->[sg]et_serial() switchover
  ...
2018-10-24 14:43:41 +01:00
Linus Torvalds
6214a9fe2a regmap: Updates for v5.0
A small update with a couple of new APIs that are useful for some small
 sets of devices:
 
  - Split up the single_rw flagging to map read and write separately as
    some devices support bulk operations for only read or only write.
  - Add a write version of the noinc API.
  - Clean up the code for LOG_DEVICE a bit.
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Merge tag 'regmap-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "A small update with a couple of new APIs that are useful for some
  small sets of devices:

   - Split up the single_rw flagging to map read and write separately as
     some devices support bulk operations for only read or only write.

   - Add a write version of the noinc API.

   - Clean up the code for LOG_DEVICE a bit"

* tag 'regmap-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: use less #ifdef for LOG_DEVICE
  regmap: Add regmap_noinc_write API
  regmap: split up regmap_config.use_single_rw
  regmap: fix comment for regmap.use_single_write
2018-10-23 01:17:27 +01:00
Dmitry Torokhov
cacd9759ee Merge branch 'next' into for-linus
Prepare input updates for 4.20 merge window.
2018-10-22 12:04:33 -07:00
Mark Brown
ae2399c48c
Merge remote-tracking branches 'regmap/topic/noinc' and 'regmap/topic/single-rw' into regmap-next 2018-10-21 12:07:26 +01:00
Greg Kroah-Hartman
d4ec49d332 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Dmitry writes:
  "Input updates for 4.19-rc8

   Just an addition to elan touchpad driver ACPI table."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: elan_i2c - add ACPI ID for Lenovo IdeaPad 330-15IGM
2018-10-20 08:42:56 +02:00
Dmitry Torokhov
f39f868888 Input: synaptics - avoid using uninitialized variable when probing
synaptics_detect() does not check whether sending commands to the
device succeeds and instead relies on getting unique data from the
device. Let's make sure we seed entire buffer with zeroes to make sure
we will not use garbage on stack that just happen to be 0x47.

Reported-by: syzbot+13cb3b01d0784e4ffc3f@syzkaller.appspotmail.com
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-19 10:40:12 -07:00
Gustavo A. R. Silva
9023705192 Input: xen-kbdfront - mark expected switch fall-through
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Notice that in this particular case, I placed the "fall through"
part at the beginning of the code comment, which is what GCC is
expecting to find.

Addresses-Coverity-ID: 114757 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-16 17:12:48 -07:00
Mikhail Nikiforov
13c1c5e4d7 Input: elan_i2c - add ACPI ID for Lenovo IdeaPad 330-15IGM
Add ELAN061C to the ACPI table to support Elan touchpad found in Lenovo
IdeaPad 330-15IGM.

Signed-off-by: Mikhail Nikiforov <jackxviichaos@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-15 11:24:45 -07:00
Gustavo A. R. Silva
03bf67817e Input: atmel_mxt_ts - mark expected switch fall-through
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-15 11:24:11 -07:00
Gustavo A. R. Silva
15ee2992c0 Input: cyapa - mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Notice that in this particular case, I replaced the "Fallthrough state"
commern with a proper "Fall through", which is what GCC is expecting to
find.

Addresses-Coverity-ID: 114758 ("Missing break in switch")
Addresses-Coverity-ID: 114759 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-15 11:24:10 -07:00
Randy Dunlap
a3f7c3fcf6 Input: wm97xx-ts - fix exit path
Loading then unloading wm97xx-ts.ko when CONFIG_AC97_BUS=m
causes a WARNING: from drivers/base/driver.c:

Unexpected driver unregister!
WARNING: CPU: 0 PID: 1709 at ../drivers/base/driver.c:193 driver_unregister+0x30/0x40

Fix this by only calling driver_unregister() with the same
condition that driver_register() is called.

Fixes: ae9d1b5fbd ("Input: wm97xx: add new AC97 bus support")

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-15 11:24:10 -07:00
Al Viro
f0193d3ea7 change semantics of ldisc ->compat_ioctl()
First of all, make it return int.  Returning long when native method
had never allowed that is ridiculous and inconvenient.

More importantly, change the caller; if ldisc ->compat_ioctl() is NULL
or returns -ENOIOCTLCMD, tty_compat_ioctl() will try to feed cmd and
compat_ptr(arg) to ldisc's native ->ioctl().

That simplifies ->compat_ioctl() instances quite a bit - they only
need to deal with ioctls that are neither generic tty ones (those
would get shunted off to tty_ioctl()) nor simple compat pointer ones.

Note that something like TCFLSH won't reach ->compat_ioctl(),
even if ldisc ->ioctl() does handle it - it will be recognized
earlier and passed to tty_ioctl() (and ultimately - ldisc ->ioctl()).

For many ldiscs it means that NULL ->compat_ioctl() does the
right thing.  Those where it won't serve (see e.g. n_r3964.c) are
also easily dealt with - we need to handle the numeric-argument
ioctls (calling the native instance) and, if such would exist,
the ioctls that need layout conversion, etc.

All in-tree ldiscs dealt with.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2018-10-13 00:50:53 -04:00
Greg Kroah-Hartman
eb81bfb224 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Dmitry writes:
  "Input updates for v4.19-rc7

   - we added a few scheduling points into various input interfaces to
     ensure that large writes will not cause RCU stalls
   - fixed configuring PS/2 keyboards as wakeup devices on newer
     platforms
   - added a new Xbox gamepad ID."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: uinput - add a schedule point in uinput_inject_events()
  Input: evdev - add a schedule point in evdev_write()
  Input: mousedev - add a schedule point in mousedev_write()
  Input: i8042 - enable keyboard wakeups by default when s2idle is used
  Input: xpad - add support for Xbox1 PDP Camo series gamepad
2018-10-12 12:35:02 +02:00
Hans de Goede
d9265e8a87 Input: of_touchscreen - add support for touchscreen-min-x|y
Some touchscreens, depending on the firmware and/or the digitizer, report
coordinates which never reach 0 along one or both of their axis.

This has been seen for example on the Silead touchscreens on a Onda V891w
and a Point of View mobii TAB-P800w(v2.0).

This commit adds support for touchscreen-min-x and touchscreen-min-y
device-properties which can be set to communicate the actual start
coordinates (rather then 0,0) to userspace.

This commit also drop the "(in pixels)" comment from the documentation
of the touchscreen-size-x and touchscreen-size-y properties. The comment
suggested that there is a relation between the range of reported
coordinates and the display resolution, which is only true for some
devices. The "(in pixels)" comment is replaced with "(maximum x coordinate
reported + 1)" to mirror the language describing the new touchscreen-min-x
and -min-y properties.

When set this fixes e.g. not being able to click things in the GNOME3
top-bar on the 2 example tablets.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-11 17:16:42 -07:00
Stephen Boyd
00f73f9752 Input: elants_i2c - use DMA safe i2c when possible
To avoid bounce buffer when an i2c controller decides to use DMA for a
transaction, let's make out buffer that we use for reads DMA-safe and let
the master know that DMAing into it is safe.

Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-10 17:10:40 -07:00
Vignesh R
7a39915b72 Input: ti_am335x_tsc: Mark IRQ as wakeup capable
On AM335x, ti_am335x_tsc can wake up the system from suspend, mark the
IRQ as wakeup capable, so that device irq is not disabled during system
suspend.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-09 11:28:31 +01:00
Vignesh R
333e07ec4b Input: ti_am335x_tsc: Mark TSC device as wakeup source
Instead of TSCADC MFD device, mark TSC as wakeup source and change all
wakeup related PM calls to operate on TSC device.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-09 11:27:40 +01:00
Julian Sax
dde2744321 Input: silead - try firmware reload after unsuccessful resume
A certain silead controller (Chip ID: 0x56810000) loses its firmware
after suspend, causing the resume to fail. This patch tries to load
the firmware, should a resume error occur and retries the resuming.

Signed-off-by: Julian Sax <jsbc@gmx.de>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-05 11:52:06 -07:00
Martin Kepplinger
20bbb31207 Input: st1232 - set INPUT_PROP_DIRECT property
This is how userspace checks for touchscreen devices most reliably.

Signed-off-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-05 11:52:05 -07:00
Dmitry Torokhov
cecf107048 Input: uinput - add a schedule point in uinput_inject_events()
Large writes to uinput interface may cause rcu stalls. Let's add
cond_resched() to the loop to avoid this.

Reviewed-by: Paul E. McKenney <paulmck@linux.ibm.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-05 11:42:32 -07:00
Dmitry Torokhov
36d2582ff2 Input: evdev - add a schedule point in evdev_write()
Large writes to evdev interface may cause rcu stalls. Let's add
cond_resched() to the loop to avoid this.

Reviewed-by: Paul E. McKenney <paulmck@linux.ibm.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-05 11:42:31 -07:00
Eric Dumazet
f74c371fe7 Input: mousedev - add a schedule point in mousedev_write()
syzbot was able to trigger rcu stalls by calling write()
with large number of bytes.

Add a cond_resched() in the loop to avoid this.

Link: https://lkml.org/lkml/2018/8/23/1106
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot+9436b02171ac0894d33e@syzkaller.appspotmail.com
Reviewed-by: Paul E. McKenney <paulmck@linux.ibm.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-04 17:42:26 -07:00
Daniel Drake
684bec1092 Input: i8042 - enable keyboard wakeups by default when s2idle is used
Previously, on typical consumer laptops, pressing a key on the keyboard
when the system is in suspend would cause it to wake up (default or
unconditional behaviour). This happens because the EC generates a SCI
interrupt in this scenario.

That is no longer true on modern laptops based on Intel WhiskeyLake,
including Acer Swift SF314-55G, Asus UX333FA, Asus UX433FN and Asus
UX533FD. We confirmed with Asus EC engineers that the "Modern Standby"
design has been modified so that the EC no longer generates a SCI
in this case; the keyboard controller itself should be used for wakeup.

In order to retain the standard behaviour of being able to use the
keyboard to wake up the system, enable serio wakeups by default on
platforms that are using s2idle.

Link: https://lkml.kernel.org/r/CAB4CAwfQ0mPMqCLp95TVjw4J0r5zKPWkSvvkK4cpZUGE--w8bQ@mail.gmail.com
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-01 15:58:53 -07:00
Ramses Ramírez
9735082a7c Input: xpad - add support for Xbox1 PDP Camo series gamepad
The "Xbox One PDP Wired Controller - Camo series" has a different
product-id than the regular PDP controller and the PDP stealth series,
but it uses the same initialization sequence. This patch adds the
product-id of the camo series to the structures that handle the other
PDP Xbox One controllers.

Signed-off-by: Ramses Ramírez <ramzeto@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-01 15:58:52 -07:00
Rob Herring
5d68fa587a Input: xilinx_ps2 - convert to using %pOFn instead of device_node.name
In preparation to remove the node name pointer from struct device_node,
convert printf users to use the %pOFn format specifier.

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-10-01 15:54:21 -07:00
Matthew Wilcox
3d0186bb06 Update email address
Redirect some older email addresses that are in the git logs.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
2018-09-29 22:47:48 -04:00
Greg Kroah-Hartman
e704966c45 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Dmitry writes:
  "Input updates for v4.19-rc5

   Just a few driver fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: uinput - allow for max == min during input_absinfo validation
  Input: elantech - enable middle button of touchpad on ThinkPad P72
  Input: atakbd - fix Atari CapsLock behaviour
  Input: atakbd - fix Atari keymap
  Input: egalax_ts - add system wakeup support
  Input: gpio-keys - fix a documentation index issue
2018-09-28 18:04:50 -07:00
George G. Davis
d258780059 Input: atmel_mxt_ts - fix multiple <linux/property.h> includes
Both v4.16-rc7 commit 93afb1d6e7 ("Input: atmel_mxt_ts - switch from
OF to generic device properties") and v4.16-rc7 commit 96a938aa21
("Input: atmel_mxt_ts - remove platform data support") added includes of
"<linux/property.h>".  Remove one of the duplicate includes to fix this.

Signed-off-by: George G. Davis <george_davis@mentor.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-09-28 17:33:54 -07:00