Commit Graph

944 Commits

Author SHA1 Message Date
Linus Torvalds
2bd8040174 This is the bulk of GPIO changes for the v4.12 kernel cycle:
Core changes
 
 - Return NULL from gpiod_get_optional() when GPIOLIB is disabled.
   This was a much discussed change. It affects use cases where people
   write drivers that might or might not be using GPIO resources.
   I have decided that this is the lesser evil right now.
 
 - Make gpiod_count() behave consistently across different hardware
   descriptions.
 
 - Fix the syntax around open drain/open source to not infer active
   high/low semantics.
 
 New drivers
 
 - A new single-register fixed-direction framework driver for hardware
   that have lines controlled by a single register that just work in
   one direction (out or in), including IRQ support.
 
 - Support the Fintek F71889A GPIO SuperIO controller.
 
 - Support the National NI 169445 MMIO GPIO.
 
 - Support for the X-Gene derivative of the DWC GPIO controller
 
 - Support for the Rohm BD9571MWV-M PMIC GPIO controller.
 
 - Refactor the Gemini GPIO driver to a generic Faraday FTGPIO driver
   and replace both the Gemini and the Moxa ART custom drivers with
   this driver.
 
 Driver improvements
 
 - A whole slew of drivers have their spinlocks chaned to raw spinlocks
   as they provide irqchips, and thus we are progressing on realtime
   compliance.
 
 - Use devm_irq_alloc_descs() in a slew of drivers, getting managed
   resources.
 
 - Support for the embedded PWM controller inside the MVEBU driver.
 
 - Debounce, open source and open drain support for the Aspeed driver.
 
 - Misc smaller fixes like spelling and syntax and whatnot.
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Merge tag 'gpio-v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v4.12 kernel cycle.

  Core changes:

   - Return NULL from gpiod_get_optional() when GPIOLIB is disabled.
     This was a much discussed change. It affects use cases where people
     write drivers that might or might not be using GPIO resources. I
     have decided that this is the lesser evil right now.

   - Make gpiod_count() behave consistently across different hardware
     descriptions.

   - Fix the syntax around open drain/open source to not infer active
     high/low semantics.

  New drivers:

   - A new single-register fixed-direction framework driver for hardware
     that have lines controlled by a single register that just work in
     one direction (out or in), including IRQ support.

   - Support the Fintek F71889A GPIO SuperIO controller.

   - Support the National NI 169445 MMIO GPIO.

   - Support for the X-Gene derivative of the DWC GPIO controller

   - Support for the Rohm BD9571MWV-M PMIC GPIO controller.

   - Refactor the Gemini GPIO driver to a generic Faraday FTGPIO driver
     and replace both the Gemini and the Moxa ART custom drivers with
     this driver.

  Driver improvements:

   - A whole slew of drivers have their spinlocks chaned to raw
     spinlocks as they provide irqchips, and thus we are progressing on
     realtime compliance.

   - Use devm_irq_alloc_descs() in a slew of drivers, getting managed
     resources.

   - Support for the embedded PWM controller inside the MVEBU driver.

   - Debounce, open source and open drain support for the Aspeed driver.

   - Misc smaller fixes like spelling and syntax and whatnot"

* tag 'gpio-v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (77 commits)
  gpio: f7188x: Add a missing break
  gpio: omap: return error if requested debounce time is not possible
  gpio: Add ROHM BD9571MWV-M PMIC GPIO driver
  gpio: gpio-wcove: fix GPIO IRQ status mask
  gpio: DT bindings, move tca9554 from pcf857x to pca953x
  gpio: move tca9554 from pcf857x to pca953x
  gpio: arizona: Correct check whether the pin is an input
  gpio: Add XRA1403 DTS binding documentation
  dt-bindings: add exar to vendor prefixes list
  gpio: gpio-wcove: fix irq pending status bit width
  gpio: dwapb: use dwapb_read instead of readl_relaxed
  gpio: aspeed: Add open-source and open-drain support
  gpio: aspeed: Add debounce support
  gpio: aspeed: dt: Add optional clocks property
  gpio: aspeed: dt: Fix description alignment in bindings document
  gpio: mvebu: Add limited PWM support
  gpio: Use unsigned int for interrupt numbers
  gpio: f7188x: Add F71889A GPIO support.
  gpio: core: Decouple open drain/source flag with active low/high
  gpio: arizona: Correct handling for reading input GPIOs
  ...
2017-05-04 12:05:32 -07:00
Linus Torvalds
16a12fa9ae Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov:

 - a big update from Mauro converting input documentation to ReST format

 - Synaptics PS/2 is now aware of SMBus companion devices, which means
   that we can now use native RMI4 protocol to handle touchpads, instead
   of relying on legacy PS/2 mode.

 - we removed support from BMA180 accelerometer from input devices as it
   is now handled properly by IIO

 - update to TSC2007 to corretcly report pressure

 - other miscellaneous driver fixes.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (152 commits)
  Input: ar1021_i2c - use BIT to check for a bit
  Input: twl4030-pwrbutton - use input_set_capability() helper
  Input: twl4030-pwrbutton - use correct device for irq request
  Input: ar1021_i2c - enable touch mode during open
  Input: add uinput documentation
  dt-bindings: input: add bindings document for ar1021_i2c driver
  dt-bindings: input: rotary-encoder: fix typo
  Input: xen-kbdfront - add module parameter for setting resolution
  ARM: pxa/raumfeld: fix compile error in rotary controller resources
  Input: xpad - do not suggest writing to Dominic
  Input: xpad - don't use literal blocks inside footnotes
  Input: xpad - note that usb/devices is now at /sys/kernel/debug/
  Input: docs - freshen up introduction
  Input: docs - split input docs into kernel- and user-facing
  Input: docs - note that MT-A protocol is obsolete
  Input: docs - update joystick documentation a bit
  Input: docs - remove disclaimer/GPL notice
  Input: fix "Game console" heading level in joystick documentation
  Input: rotary-encoder - remove references to platform data from docs
  Input: move documentation for Amiga CD32
  ...
2017-05-03 12:38:20 -07:00
Linus Torvalds
d26f552ebb - New Drivers
- Freescale MXS Low Resolution ADC
    - Freescale i.MX23/i.MX28 LRADC touchscreen
    - Motorola CPCAP Power Button
    - TI LMU (Lighting Management Unit)
    - Atmel SMC (Static Memory Controller)
 
  - New Device Support
    - Add support for X-Powers AXP803 to axp20x
    - Add support for Dialog Semi DA9061 to da9062-core
    - Add support for Intel Cougar Mountain to lpc_ich
    - Add support for Intel Gemini Lake to lpc_ich
 
  - New Functionality
    - Add Device Tree support; wm831x-*, axp20x, ti-lmu, da9062, sun4i-gpadc
    - Add IRQ sense support; motorola-cpcap
    - Add ACPI support; cros_ec
    - Add Reset support; altera-a10sr
    - Add ADC support; axp20x
    - Add AC Power support; axp20x
    - Add Runtime PM support; atmel-ebi, exynos-lpass
    - Add Battery Power Supply support; axp20x
    - Add Clock support; exynos-lpass, hi655x-pmic
 
  - Fix-ups
    - Implicitly specify required headers; motorola-cpcap, intel_soc_pmic_bxtwc
    - Add .remove() method; stm32-timers, exynos-lpass
    - Remove unused code; intel_soc_pmic_core, intel-lpss-acpi, ipaq-micro, atmel-smc, menelaus
    - Rename variables for clarity; axp20x
    - Convert pr_warning() to pr_warn(); db8500-prcmu, sta2x11-mfd, twl4030-power
    - Improve formatting; arizona-core, axp20x
    - Use raw_spinlock_*() variants; asic3, t7l66xb, tc6393xb
    - Simplify/refactor code; arizona-core, atmel-ebi
    - Improve error checking; intel_soc_pmic_core
 
  - Bug Fixes
    - Ensure OMAP3630/3730 boards can successfully reboot; twl4030-power
    - Correct max-register value; stm32-timers
    - Extend timeout to account for clock stretching; cros_ec_spi
    - Use correct IRQ trigger type; motorola-cpcap
    - Fix bad use of IRQ sense register; motorola-cpcap
    - Logic error "||" should be "&&"; mxs-lradc-ts
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Merge tag 'mfd-next-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers:
   - Freescale MXS Low Resolution ADC
   - Freescale i.MX23/i.MX28 LRADC touchscreen
   - Motorola CPCAP Power Button
   - TI LMU (Lighting Management Unit)
   - Atmel SMC (Static Memory Controller)

  New Device Support:
   - Add support for X-Powers AXP803 to axp20x
   - Add support for Dialog Semi DA9061 to da9062-core
   - Add support for Intel Cougar Mountain to lpc_ich
   - Add support for Intel Gemini Lake to lpc_ich

  New Functionality:
   - Add Device Tree support; wm831x-*, axp20x, ti-lmu, da9062, sun4i-gpadc
   - Add IRQ sense support; motorola-cpcap
   - Add ACPI support; cros_ec
   - Add Reset support; altera-a10sr
   - Add ADC support; axp20x
   - Add AC Power support; axp20x
   - Add Runtime PM support; atmel-ebi, exynos-lpass
   - Add Battery Power Supply support; axp20x
   - Add Clock support; exynos-lpass, hi655x-pmic

  Fix-ups:
   - Implicitly specify required headers; motorola-cpcap, intel_soc_pmic_bxtwc
   - Add .remove() method; stm32-timers, exynos-lpass
   - Remove unused code; intel_soc_pmic_core, intel-lpss-acpi, ipaq-micro, atmel-smc, menelaus
   - Rename variables for clarity; axp20x
   - Convert pr_warning() to pr_warn(); db8500-prcmu, sta2x11-mfd, twl4030-power
   - Improve formatting; arizona-core, axp20x
   - Use raw_spinlock_*() variants; asic3, t7l66xb, tc6393xb
   - Simplify/refactor code; arizona-core, atmel-ebi
   - Improve error checking; intel_soc_pmic_core

  Bug Fixes:
   - Ensure OMAP3630/3730 boards can successfully reboot; twl4030-power
   - Correct max-register value; stm32-timers
   - Extend timeout to account for clock stretching; cros_ec_spi
   - Use correct IRQ trigger type; motorola-cpcap
   - Fix bad use of IRQ sense register; motorola-cpcap
   - Logic error "||" should be "&&"; mxs-lradc-ts"

* tag 'mfd-next-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (79 commits)
  input: touchscreen: mxs-lradc: || vs && typos
  dt-bindings: Add AXP803's regulator info
  mfd: axp20x: Support AXP803 variant
  dt-bindings: Add device tree binding for X-Powers AXP803 PMIC
  dt-bindings: Make AXP20X compatible strings one per line
  mfd: intel_soc_pmic_core: Fix unchecked return value
  mfd: menelaus: Remove obsolete local_irq_disable() and local_irq_enable()
  mfd: omap-usb-tll: Configure ULPIAUTOIDLE
  mfd: omap-usb-tll: Fix inverted bit use for USB TLL mode
  mfd: palmas: Fixed spelling mistake in error message
  mfd: lpc_ich: Add support for Intel Gemini Lake SoC
  mfd: hi655x: Add the clock cell to provide WiFi and Bluetooth
  mfd: intel_soc_pmic: Fix a mess with compilation units
  mfd: exynos-lpass: Add runtime PM support
  mfd: exynos-lpass: Add missing remove() function
  mfd: exynos-lpass: Add support for clocks
  mfd: exynos-lpass: Remove pad retention control
  iio: adc: add support for X-Powers AXP20X and AXP22X PMICs ADCs
  mfd: cpcap: Fix bad use of IRQ sense register
  mfd: cpcap: Use ack_invert interrupts
  ...
2017-05-03 12:16:25 -07:00
Sebastian Reichel
61e29ec1c9 Input: twl4030-pwrbutton - use input_set_capability() helper
Cleanup driver slightly by using input_set_capability() instead
of manually setting the required bits.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-05-01 09:29:08 -07:00
Sebastian Reichel
3071e9dd6c Input: twl4030-pwrbutton - use correct device for irq request
The interrupt should be requested for the platform device
and not for the input device.

Fixes: 7f9ce649d2 ("Input: twl4030-pwrbutton - simplify driver using devm_*")
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-05-01 09:29:08 -07:00
Juergen Gross
8b3afdfa48 Input: xen-kbdfront - add module parameter for setting resolution
Add a parameter for setting the resolution of xen-kbdfront in order to
be able to cope with a (virtual) frame buffer of arbitrary resolution.

While at it remove the pointless second reading of parameters from
Xenstore in the device connection phase: all parameters are available
during device probing already and that is where they should be read.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-04-19 09:02:43 -07:00
Sebastian Reichel
6d99971842 input: cpcap-pwrbutton: New driver
Motorola CPCAP is a PMIC found in multiple smartphones.
This driver adds support for the power/on button and has
been tested in Droid 4.

Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-04-11 15:18:09 +01:00
Martin Kepplinger
c5cb37d0d6 Input: yealink - define packet offset __be16 instead of u16
sparse says

 warning: incorrect type in assignment (different base types)
    expected unsigned short [unsigned] [usertype] offset
    got restricted __be16 [usertype] <noident>

for every usage of cpu_to_be16 in yealink.c. Defining it __be16 in the
first place shouldn't hurt.

Signed-off-by: Martin Kepplinger <martin.kepplinger@ginzinger.com>
Signed-off-by: Henk.Vergonet@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-04-10 20:41:41 -07:00
Hans de Goede
dd224085d7 Input: soc_button_array - properly map usage 0x07/0xe3 to KEY_LEFTMETA
When submitting the support for the ACPI0011 windows tablet keys device I
mapped the "windows" logo homekey to KEY_HOMEPAGE. But this is inconsistent
with how it is done on windows tablets using the old PNP0C40 ACPI device
and it does not match the HUT spec, which says that usage-page 7 usage 0xe3
is "Keyboard Left GUI".

This commit maps usage-page 7 usage 0xe3 to KEY_LEFTMETA fixing this.

Fixes: 4c3362f449 ("Input: soc_button_array - add support for ACPI 6.0...")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-04-10 20:41:37 -07:00
Damien Riegel
792ad66839 Input: pm8xxx-vib - add support for pm8916's vibrator
Add pm8xxx_regs for this PMIC and the device tree match table entry.

Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-04-05 08:52:39 -07:00
Damien Riegel
d4c7c5c96c Input: pm8xxx-vib - handle separate enable register
Some PMIC vibrator IPs use a separate enable register to turn the
vibrator on and off. To detect if a vibrator uses this feature, rely on
the enable_mask being non-zero.

Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-04-05 08:52:38 -07:00
Damien Riegel
2de3b7048d Input: pm8xxx-vib - parametrize the driver
In order to prepare this driver to support other vibrators of the same
kind, move some hardcoded values to a structure holding register
parameters (address, mask, shit of the control register).

Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-04-05 08:52:37 -07:00
Damien Riegel
f6bcc91ba6 Input: pm8xxx-vib - reorder header alphabetically
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-04-05 08:52:37 -07:00
Dmitry Torokhov
03b22057e8 Linux 4.11-rc5
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Merge tag 'v4.11-rc5' into next

Sync up with mainline to bring in changes to input subsystem merged
through other trees.
2017-04-03 12:01:20 -07:00
H. Nikolaus Schaller
f069b5a0b2 Input: bma150 - remove support for bma150
This essentially reverts commit baf28d91e7 ("Input: bma150 - avoid
binding to bma180 if IIO bma180 driver present") and commit ef3714fdbc
("Input: bma150 - extend chip detection for bma180")

Rationale: initially (2012) the GTA04 device using a bma180 chip simply
referenced the bma150 platform driver in its board file [1] which happened
to work in all scenarios that were tested.

When conversion to DT started (2014), we needed to make the driver be still
recognised. Hence we introduced the compatibility to the bma180 chip in
Linux 3.15-rc5 [2] without further checks if it is really 100% compatible.
This worked flawlessly for years with the GTA04 device.

Recently (2016), Hans de Goede pointed out that the chips are not as
similar as they appeared and the driver works with the bma180 for the GTA04
only by good luck. He proposed to remove the bma180 support completely [3],
but we still did need it until we have a replacement. Thus, a conditional
compile was added.

We have now developed a generic iio-input-bridge which works with any 2 or
3 axis iio based accelerometer. It has been tested on GTA04 and Pyra and
works as expected. Therefore we can remove the bma180 support from this
driver completely. User-space API compatibility can be restored by using
the iio-input-bridge.

Maybe it is time to convert the bma150 driver to iio as well and retire the
accelerometer input drivers completely but this is a different story and
task.

[1]: https://github.com/neilbrown/linux/blob/gta04/3.2.y/arch/arm/mach-omap2/board-omap3gta04.c#L976
[2]: https://patchwork.kernel.org/patch/3961171/
[3]: https://patchwork.kernel.org/patch/9325481/

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-04-01 11:44:53 -07:00
Joe Perches
fef5f569db Input: convert remaining uses of pr_warning to pr_warn
To enable eventual removal of pr_warning

This makes pr_warn use consistent for drivers/input

Prior to this patch, there were 8 uses of pr_warning and
17 uses of pr_warn in drivers/input

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-17 17:25:02 -07:00
Hans de Goede
4c3362f449 Input: soc_button_array - add support for ACPI 6.0 Generic Button Device
Windows 10 tablets with gpio buttons will typically use the ACPI 6.0
Generic Button Device with a HID of ACPI0011 for these buttons.

The ACPI description for these in the ACPI0011 devices _DSD object uses
something resembling HID descriptors, except that instead of indicating
a bit index into a HID input report, the index indicates the _CRS index
for the GPIO.

The use of 1 interrupt per button, some of which need to be wakeup
sources, instead of using input reports makes it impossible to use the
HID subsystem for this.

This really is just another gpio-keys input device with the platform
data described in ACPI, so this commit adds parsing for this new way
to describe gpio-keys to the soc_button_array driver.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-17 14:09:23 -07:00
Hans de Goede
7283b47d5d Input: soc_button_array - get rid of MAX_NBUTTONS
Count how much gpio_keys we actually need, this is a preparation patch
for adding support for the new Win10 / ACPI-6.0 "Generic Buttons Device"
support.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-17 14:09:22 -07:00
Johan Hovold
5cc4a1a9f5 Input: yealink - validate number of endpoints before using them
Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer should a malicious device lack endpoints.

Fixes: aca951a22a ("[PATCH] input-driver-yealink-P1K-usb-phone")
Signed-off-by: Johan Hovold <johan@kernel.org>
Cc: stable@vger.kernel.org	# 2.6.14
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-16 13:56:52 -07:00
Johan Hovold
1916d31927 Input: ims-pcu - validate number of endpoints before using them
Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer should a malicious device lack control-interface endpoints.

Fixes: 628329d524 ("Input: add IMS Passenger Control Unit driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Cc: stable@vger.kernel.org	# 3.10
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-16 13:56:51 -07:00
Johan Hovold
ac2ee9ba95 Input: cm109 - validate number of endpoints before using them
Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer should a malicious device lack endpoints.

Fixes: c04148f915 ("Input: add driver for USB VoIP phones with CM109...")
Signed-off-by: Johan Hovold <johan@kernel.org>
Cc: stable@vger.kernel.org	# 2.6.28
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-16 13:56:50 -07:00
Andy Shevchenko
c5097538c8 Input: soc_button_array - Propagate error from gpiod_count()
Since gpiod_count() does not return 0 anymore, we don't need to shadow
its error code and would safely propagate to the user.

While here, replace second parameter by NULL in order to prevent side
effects on _DSD enabled firmware.

Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-03-16 21:52:12 +01:00
Dmitry Torokhov
52e4f1d601 Input: dm355evm_keys - switch to using managed resources
Using devm_* APIs simpifies error handling and device teardown.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-09 10:06:19 -08:00
Dmitry Torokhov
fc2a6e5048 Input: wistron_btns - remove use of sparse_keymap_free
Now that sparse keymap uses managed memory, we no longer need to clean it
up manually.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-09 10:06:12 -08:00
Dmitry Torokhov
a227954756 Input: dm355evm_keys - remove use of sparse_keymap_free
Now that sparse keymap uses managed memory, we no longer need to clean it
up manually.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-09 10:06:11 -08:00
Dmitry Torokhov
7b179e251b Merge branch 'ib/4.10-sparse-keymap-managed' into next
This brings in version of sparse keymap code that uses managed memory.
2017-03-09 10:03:22 -08:00
Hans de Goede
a01cd17000 Input: soc_button_array - use NULL for GPIO connection ID
The gpiolib-acpi code is becoming more strict and connection-IDs
may only be used with devices which have a _DSD with matching IDs
in there. Since the soc_button_array ACPI binding is pure index
based pass in NULL as connection-ID to avoid the more strict cheks
resulting in gpiod_count and gpiod_get_index not returning any gpios.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-09 10:01:04 -08:00
Hans de Goede
9b13a4ca8d Input: axp20x-pek - do not register input device on some systems
On some systems (Intel tablets with axp288 pmic) the powerbutton is
also connected to a gpio pin of the SoC, advertised through the
"INTCFD9" / "PNP0C40" acpi device. This leads to double reporting
of powerbutton events, which is undesirable, so one driver needs
to not report input events in this case.

Since the soc_button_array driver for the "PNP0C40" acpi device
also handles wake from suspend on these tablets and since the
axp20x-pel driver requires relative expensive i2c accrsses,
it is best for the axp20x-pek driver to not register an input device
in this case.

Note that this commit leaves the axp20x-driver bound to the
device, rather then returning -ENODEV, this is done so that the
sysfs attributes it offers are kept around.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-09 10:01:03 -08:00
Hans de Goede
f2bd5a9ec5 Input: axp20x_pek - add axp20x_pek_probe_input_device helper
Move all input device related initialization into a new
axp20x_pek_probe_input_device helper function.

This introduces one functional change, the input device is now
registered before the sysfs attr get registered. This is not a problem
as the sysfs attr are to configure some long press settings (forced
poweroff) in the hardware and do not interact with the input_device.

This is a preparation patch for not always registering the input dev.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-09 10:01:03 -08:00
Hans de Goede
73915f369e Input: axp20x-pek - use our own device for errors
Before this commit axp20x-pek was mixing 2 style error reporting calls:
dev_err(&pdev->dev, ...);
dev_err(axp20x->dev, ...);

But the second is our parent device, not our own device, so switch to
using &pdev->dev everywhere.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-09 10:01:02 -08:00
Jingkui Wang
bc682a50a0 Input: drv260x - remove OF dependency
As the driver is using generic device properties, it should work
properly when CONFIG_OF is turned off. This patch removes the
ifdef CONFIGOF and make sure the driver always have of_match_table.

Signed-off-by: Jingkui Wang <jkwang@google.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-09 10:00:14 -08:00
Guan Ben
fad358a06c Input: pwm-beeper - support customized freq for SND_BELL
Extend the pwm-beeper driver to support customized frequency for SND_BELL
from device properties.

Signed-off-by: Guan Ben <ben.guan@cn.bosch.com>
Signed-off-by: Mark Jonas <mark.jonas@de.bosch.com>
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-03-07 10:39:23 -08:00
Dmitry Torokhov
6e11617fcf Merge branch 'next' into for-linus
Prepare input updates for 4.11 merge window.
2017-02-20 15:16:02 -08:00
Dmitry Torokhov
601bbbe051 Input: uinput - fix crash when mixing old and new init style
If user tries to initialize uinput device mixing old and new style
initialization (i.e. using old UI_SET_ABSBIT instead of UI_ABS_SETUP,
we forget to allocate input->absinfo and will crash when trying to send
absolute events:

        ioctl(ui, UI_DEV_SETUP, &us);
        ioctl(ui, UI_SET_PHYS, "Test");

        ioctl(ui, UI_SET_EVBIT, EV_ABS);
        ioctl(ui, UI_SET_ABSBIT, ABS_X);
        ioctl(ui, UI_SET_ABSBIT, ABS_Y);
        ioctl(ui, UI_DEV_CREATE, 0);

Reported-by: Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=191811
Fixes: fbae10db09 ("Input: uinput - rework ABS validation")
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-02-01 10:33:11 -08:00
Linus Walleij
b1fe0cf06f Input: delete MPU3050 driver
The MPU3050 driver in the input subsystem has been superseded by a proper
IIO driver found in drivers/iio/gyro/mpu3050*.

Patches have been submitted to remove all defconfig and related references
to the old driver and replace this input driver with the IIO driver.

So delete the input driver. Input was never a good fit for sensors anyway.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-31 00:18:07 -08:00
Dmitry Torokhov
0cce284537 Linux 4.10-rc5
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Merge tag 'v4.10-rc5' into next

Sync up with mainline to bring up improvements in various subsystems.
2017-01-24 12:37:43 -08:00
Guenter Roeck
86178c8634 Input: dm355evm_keys - drop unnecessary call to input_set_drvdata
Since there is no call to dev_get_drvdata() or input_get_drvdata(),
the call to input_set_drvdata() is unnecessary and can be dropped.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22 17:22:29 -08:00
Dmitry Torokhov
2de8b4110c Input: pwm-beeper - switch to using "atomic" PWM API
The "atomic" API allows us to configure PWM period and duty cycle and
enable it in one call.

Reviewed-by: Thierry Reding <thierry.reding@gmail.com>
Tested-by: David Lechner <david@lechnology.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22 00:26:36 -08:00
David Lechner
9e54924432 Input: pwm-beeper - add optional amplifier regulator
This adds an optional regulator to the pwm-beeper device. This regulator
acts as an amplifier. The amplifier is only enabled while beeping in order
to reduce power consumption.

Tested on LEGO MINDSTORMS EV3, which has a speaker connected to PWM through
an amplifier.

Signed-off-by: David Lechner <david@lechnology.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22 00:23:22 -08:00
David Lechner
6248188140 Input: pwm-beeper - suppress error message on probe defer
This suppress printing an error message when pwm_get returns -EPROBE_DEFER.
Otherwise you get a bunch of noise in the kernel log.

Signed-off-by: David Lechner <david@lechnology.com>
Reviewed-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22 00:23:20 -08:00
Dmitry Torokhov
e9728f0dd7 Input: pwm-beeper - fix race when suspending
Usually userspace sends SND_BELL and SND_TONE events, and by the time
pwm_beeper_suspend() runs userpsace is already frozen, but theoretically
in-kernel users may send these events too, and that may cause
pwm_beeper_event() scheduling another work after we canceled it.

Let's introduce a "suspended" flag and check it in pwm_beeper_event() to
avoid this race.

Reviewed-by: Thierry Reding <thierry.reding@gmail.com>
Tested-by: David Lechner <david@lechnology.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22 00:23:19 -08:00
Dmitry Torokhov
48a55d7de7 Input: pwm-beeper - use input_set_capability()
Instead of manipulating capability bits directly, let's use
input_set_capability() API.

Reviewed-by: Thierry Reding <thierry.reding@gmail.com>
Tested-by: David Lechner <david@lechnology.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22 00:23:18 -08:00
Dmitry Torokhov
bcf4b0460b Input: pwm-beeper - switch to using managed resources
Use of managed resources (devm) simplifies error handling and tear down
of the driver.

Reviewed-by: Thierry Reding <thierry.reding@gmail.com>
Tested-by: David Lechner <david@lechnology.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22 00:23:17 -08:00
Dmitry Torokhov
2031717544 Input: pwm-beeper - remove calls to legacy pwm_request API
There are no more users of pwm-beeper driver in mainline relying on
this legacy API, so let's remove it and simplify the driver code.

Acked-by: Thierry Reding <thierry.reding@gmail.com>
Tested-by: David Lechner <david@lechnology.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-22 00:23:16 -08:00
Guenter Roeck
8010e0db70 Input: misc - drop empty remove functions
Empty remove functions don't serve a useful purpose and can be removed.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21 23:53:34 -08:00
Guenter Roeck
56580c2cb7 Input: misc - drop unnecessary calls to device_init_wakeup
Calling device_init_wakeup in the remove function is unnecessary since the
device is going away, and thus won't be able to cause any wakeups under any
circumstances. Besides, the driver cleanup code already handles the
necessary cleanup.

Similarly, disabling wakeup in the probe error path is unnecessary, as is
disabling wakeup in the probe function in the first place.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21 23:53:21 -08:00
Guenter Roeck
a0d86ecd23 Input: misc - use local variables consistently
If a function declares a variable to access a structure element,
use it consistently.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21 23:51:56 -08:00
Guenter Roeck
4cd216cbe7 Input: misc - drop calls to platform_set_drvdata and i2c_set_clientdata
There is no call to i2c_get_clientdata(), platform_get_drvdata(),
or dev_get_drvdata() in any of the drivers in this patch.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21 23:51:51 -08:00
Hans de Goede
5c4fa2a6da Input: soc_button_array - debounce the buttons
The soc_button_array driver was initializing (kzalloc) the
debounce_interval value to 0, leading to no debouncing at all,
while the buttons are simple mechanical switches.

This commit sets debounce_interval to 50ms to avoid spurious button
press reports both on press and release of the button. Note 50ms may
seem like a lot but soc_button_array is typically used with cheap
tablets, with not so great buttons. I tried 10ms on my tablet and it
is not enough, where as 50ms works well.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-21 11:46:52 -08:00
Guenter Roeck
b8f6a6ad77 Input: ab8500-ponkey - drop unnecessary call to platform_set_drvdata
There is no call to platform_get_drvdata() or dev_get_drvdata().
Drop the unnecessary call to platform_set_drvdata().

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-01-18 11:49:19 -08:00