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GPIO descriptors are the preferred way over legacy GPIO numbers nowadays. Convert the driver to use GPIO descriptors internally but still allow passing legacy GPIO numbers from platform data to support existing platforms. Signed-off-by: Aaron Lu <aaron.lu@intel.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Grant Likely <grant.likely@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> 
Aaron Lu
authored and
 Rafael J. Wysocki
commited |
633a21d80b | |
This patch converts descriptions of the structures defined in linux/gpio_keys.h to follow kernel-doc format. There is no functional change. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> 
Andy Shevchenko
authored and
 Dmitry Torokhov
commited |
542ad4f888 | |
Some of buttons, like power-on key or onkey, may only generate interrupts when pressed and not actually be mapped as gpio in the system. Allow setting gpio to invalid value and specify IRQ instead to support such keys. The debounce timer is used not to debounce but to ignore new IRQs coming while button is kept pressed. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
Laxman Dewangan
authored and
Dmitry Torokhov
commited |
d8ee4a1c90 | |
A struct device parameter is used in the enable and disable callbacks to distinguish between different gpio_keys devices. Platforms that don't use these callbacks may not include struct device at all, as seen on arch/arm/mach-s3c2410/mach-n30.c Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
Heiko Stübner
authored and
Dmitry Torokhov
commited |
b18db3d912 | |
This patch allows to set a device name which helps distinguishing several gpio-keys devices. Signed-off-by: Alexander Stein <alexander.stein@informatik.tu-chemnitz.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
Alexander Stein
authored and
Dmitry Torokhov
commited |
467112777c | |
With this patch you can setup a group of GPIOs representing a specific position on an EV_ABS axis. Signed-off-by: Alexander Stein <alexander.stein@informatik.tu-chemnitz.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Alexander Stein
authored and
Dmitry Torokhov
commited |
92a47674f5 | |
The existing gpio-keys driver can be usable only for GPIO lines with interrupt support. Several devices have buttons connected to a GPIO line which is not capable to generate interrupts. This patch adds a new input driver using the generic GPIO layer and the input-polldev to support such buttons. [Ben Gardiner <bengardiner@nanometrics.ca: fold code to use more of the original gpio_keys infrastructure; cleanups and other improvements.] Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca> Tested-by: Ben Gardiner <bengardiner@nanometrics.ca> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
Gabor Juhos
authored and
Dmitry Torokhov
commited |
0e7d0c860a | |
Allow platform code to specify callbcks that will be invoked when input device is opened or closed, allowing, for example, to enable the device. Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
Shubhrajyoti D
authored and
Dmitry Torokhov
commited |
173bdd746b | |
Now gpio-keys input driver exports 4 new attributes to userland through sysfs: /sys/devices/platform/gpio-keys/keys [ro] /sys/devices/platform/gpio-keys/switches [ro] /sys/devices/platform/gpio-keys/disabled_keys [rw] /sys/devices/platform/gpio-keys/disables_switches [rw] With these attributes, userland program can read which keys and switches can be disabled and then disable/enable them as needed. Keys and switches are exported as stringified bitmap of codes (keycodes or switch codes). For example keys 15, 89, 100, 101, 102 are exported as: '15,89,100-102'. Description of the attributes: keys - bitmap of keys which can be disabled switches - bitmap of switches which can be disabled disabled_keys - bitmap of currently disabled keys (bit 1 means disabled, 0 enabled) disabled_switches - bitmap of currently disabled switches (bit 1 means disabled, 0 enabled) Signed-off-by: Mika Westerberg <ext-mika.1.westerberg@nokia.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
Mika Westerberg
authored and
Dmitry Torokhov
commited |
9e3af04f87 | |
This patch adds a flag to gpio-key driver to turn on the input subsystems auto repeat feature if needed. Signed-off-by: Dominic Curran <dcurran@ti.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
Dominic Curran
authored and
Dmitry Torokhov
commited |
b67b4b1177 | |
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
Dmitry Baryshkov
authored and
Dmitry Torokhov
commited |
a33466e312 | |
This patch adds suspend/resume support and enables wakeup from gpio_keys buttons. Signed-off-by: Anti Sullin <anti.sullin@artecdesign.ee> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
Anti Sullin
authored and
Dmitry Torokhov
commited |
e15b02138b | |
Signed-off-by: Roman Moravcik <roman.moravcik@gmail.com> Signed-off-by: Paul Sokolovsky <pmiscml@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> 
Roman Moravcik
authored and
 Dmitry Torokhov
commited |
84767d00a8 | |
The gpio_keys driver is wrongly ARM-specific; it can't build on other platforms with GPIO suport. This fixes that problem. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Dmitry Torokhov <dtor@mail.ru> Cc: pHilipp Zabel <philipp.zabel@gmail.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Ben Nizette <ben.nizette@iinet.net.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 
David Brownell
authored and
 Linus Torvalds
commited |
49015bee40 |
Renamed from include/asm-arm/hardware/gpio_keys.h (Browse further)