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linux/drivers/input/keyboard
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Mattijs Korpershoek 31789f35f8 Input: mt6779-keypad - implement row/column selection 
The MediaTek keypad has a total of 6 input rows and 6 input columns.
By default, rows/columns 0-2 are enabled.

This is controlled by the KP_SEL register:
- bits[9:4]   control row selection
- bits[15:10] control column selection

Each bit enables the corresponding row/column number (e.g KP_SEL[4]
enables ROW0)

Depending on how the keypad is wired, this may result in wrong readings
of the keypad state.

Program the KP_SEL register to limit the key detection to n_rows,
n_cols we retrieve from the device tree.

Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/20220707075236.126631-3-mkorpershoek@baylibre.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-07-08 14:58:38 -07:00
..
adc-keys.c Input: adc-keys - drop bogus __refdata annotation 2021-09-03 23:49:58 -07:00
adp5520-keys.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
adp5588-keys.c Input: adp5588-keys - do not explicitly set device as wakeup source 2022-05-31 14:09:43 -07:00
adp5589-keys.c Input: adp5589-keys - use the right header 2021-08-30 15:55:18 -07:00
amikbd.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
applespi_trace.h Input: add Apple SPI keyboard and trackpad driver 2019-07-19 11:58:34 +03:00
applespi.c spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
applespi.h Input: add Apple SPI keyboard and trackpad driver 2019-07-19 11:58:34 +03:00
atakbd.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
atkbd.c Input: extract ChromeOS vivaldi physmap show function 2022-03-14 21:11:09 -07:00
bcm-keypad.c Input: bcm-keypad - remove unneeded NULL check before clk_disable_unprepare 2022-05-16 21:10:12 -07:00
cap11xx.c Input: cap11xx - add support for cap1206 2021-11-02 17:03:04 -07:00
clps711x-keypad.c Input: clps711x-keypad - use syscon_regmap_lookup_by_phandle 2022-04-24 18:25:00 -07:00
cros_ec_keyb.c Input: cros_ec_keyb - handle x86 detachable/convertible Chromebooks 2022-05-27 21:49:37 -07:00
cypress-sf.c Input: cypress-sf - register a callback to disable the regulators 2022-04-08 19:34:46 -07:00
davinci_keyscan.c Input: remove dev_err() usage after platform_get_irq() 2019-08-14 10:49:01 -07:00
dlink-dir685-touchkeys.c Input: dlink-dir685-touchkeys - fix a typo in driver name 2020-04-22 14:15:06 -07:00
ep93xx_keypad.c Input: ep93xx_keypad - use devm_platform_ioremap_resource() helper 2022-04-24 18:25:03 -07:00
goldfish_events.c Input: goldfish_events - replace zero-length array with flexible-array member 2020-02-13 17:09:47 -08:00
gpio_keys_polled.c Input: gpio_keys_polled - replace zero-length array with flexible-array member 2020-02-14 17:19:19 -08:00
gpio_keys.c Input: gpio-keys - cancel delayed work only in case of GPIO 2022-05-26 09:56:40 -07:00
hil_kbd.c Input: hil_kbd - fix error return code in hil_dev_connect() 2021-05-24 20:57:04 -07:00
hilkbd.c parisc: Make struct parisc_driver::remove() return void 2021-08-30 10:18:25 +02:00
hpps2atkbd.h
imx_keypad.c Input: imx_keypad - convert to a DT-only driver 2021-03-27 21:40:21 -07:00
imx_sc_key.c Input: imx_sc_key - use devm_add_action_or_reset() to handle all cleanups 2020-05-13 10:34:58 -07:00
ipaq-micro-keys.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
iqs62x-keys.c input: keyboard: Add support for Azoteq IQS620A/621/622/624/625 2020-03-27 08:25:42 +00:00
jornada680_kbd.c Input: jornada680_kbd - switch to using polled mode of input devices 2019-10-29 17:13:44 -07:00
jornada720_kbd.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Kconfig Input: mtk-pmic-keys - allow compiling with COMPILE_TEST 2022-05-31 21:03:40 -07:00
lkkbd.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
lm8323.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 394 2019-06-05 17:37:12 +02:00
lm8333.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 178 2019-05-30 11:29:19 -07:00
locomokbd.c ARM: 9049/1: locomo: make locomo bus's remove callback return void 2021-02-01 19:44:30 +00:00
lpc32xx-keys.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
Makefile Input: mt6779-keypad - add MediaTek keypad driver 2022-03-05 15:00:23 -08:00
maple_keyb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 64 2019-05-24 17:36:46 +02:00
matrix_keypad.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
max7359_keypad.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mcs_touchkey.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
mpr121_touchkey.c Input: mpr121 - make use of the helper function devm_add_action_or_reset() 2021-09-22 21:56:50 -07:00
mt6779-keypad.c Input: mt6779-keypad - implement row/column selection 2022-07-08 14:58:38 -07:00
mtk-pmic-keys.c Input: mtk-pmic-keys - move long press debounce mask to mtk_pmic_regs 2022-05-31 21:03:45 -07:00
newtonkbd.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
nomadik-ske-keypad.c Input: nomadik-ske-keypad - provide some missing struct member docs 2020-11-08 22:19:53 -08:00
nspire-keypad.c Input: nspire-keypad - enable interrupts only when opened 2021-03-23 10:55:10 -07:00
omap4-keypad.c Input: omap4-keypad - switch to using pm_runtime_resume_and_get() 2022-05-27 21:38:32 -07:00
omap-keypad.c input: omap: void using mach/*.h headers 2022-04-21 15:01:42 +02:00
opencores-kbd.c Input: remove dev_err() usage after platform_get_irq() 2019-08-14 10:49:01 -07:00
pmic8xxx-keypad.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
pxa27x_keypad.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
pxa930_rotary.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
qt1050.c Input: qt1050 - add Microchip AT42QT1050 support 2019-05-07 14:12:43 -07:00
qt1070.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
qt2160.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
samsung-keypad.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
sh_keysc.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
snvs_pwrkey.c Input: snvs_pwrkey - add clk handling 2021-10-15 22:11:01 -07:00
spear-keyboard.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
st-keyscan.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
stmpe-keypad.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 464 2019-06-19 17:09:10 +02:00
stowaway.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
sun4i-lradc-keys.c Input: sun4i-lradc-keys - add support for R329 and D1 2022-05-05 10:23:49 -07:00
sunkbd.c Input: sunkbd - avoid use-after-free in teardown paths 2020-11-08 21:59:07 -08:00
tc3589x-keypad.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 464 2019-06-19 17:09:10 +02:00
tca6416-keypad.c Input: move to use request_irq by IRQF_NO_AUTOEN flag 2021-03-25 15:27:56 -07:00
tca8418_keypad.c Input: tca8418 - remove set but not used variable 'max_keys' 2019-05-27 19:01:42 -07:00
tegra-kbc.c Input: move to use request_irq by IRQF_NO_AUTOEN flag 2021-03-25 15:27:56 -07:00
tm2-touchkey.c Input: tm2-touchkey - allow changing keycodes from userspace 2021-10-15 20:26:30 -07:00
twl4030_keypad.c Input: twl4030_keypad - fix handling of platform_get_irq() error 2020-09-16 10:42:15 -07:00
xtkbd.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00