korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-26 13:44:15 +08:00
Code Issues Packages Projects Releases Wiki Activity
e28b5c8d0a
linux/drivers/input/keyboard
History
Paul Cercueil c9efb0ba28 Input: gpio-keys - use hrtimer for software debounce, if possible 
We want to be able to report the input event as soon as the debounce
delay elapsed. However, the current code does not really ensure that,
as it uses the jiffies-based schedule_delayed_work() API. With a small
enough HZ value (HZ <= 100), this results in some input events being
lost, when a key is quickly pressed then released (on a human's time
scale).

Switching to hrtimers fixes this issue, and will work even on extremely
low HZ values (tested at HZ=24). This is however only possible if
reading the GPIO is possible without sleeping. If this condition is not
met, the previous approach of using a jiffies-based timer is taken.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20210307222240.380583-3-paul@crapouillou.net
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2021-03-25 11:14:08 -07:00
..
adc-keys.c Input: adc-keys - switch to using polled mode of input devices 2019-10-29 17:13:42 -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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
adp5589-keys.c Input: adp5589-keys - do not explicitly control IRQ for wakeup 2020-12-11 13:15:53 -08:00
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 Input: applespi - fix occasional crc errors under load. 2021-02-19 11:13:29 -08:00
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: Use fallthrough pseudo-keyword 2020-07-07 11:25:54 -07:00
bcm-keypad.c Input: remove dev_err() usage after platform_get_irq() 2019-08-14 10:49:01 -07:00
cap11xx.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
clps711x-keypad.c Input: clps711x-keypad - switch to using polled mode of input devices 2019-10-29 17:13:43 -07:00
cros_ec_keyb.c Input: cros-ec-keyb - expose function row physical map to userspace 2021-02-22 21:22:15 -08:00
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: use input_device_enabled() 2020-12-02 22:10:33 -08:00
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 - use hrtimer for software debounce, if possible 2021-03-25 11:14:08 -07:00
hil_kbd.c
hilkbd.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 377 2019-06-05 17:37:10 +02:00
hpps2atkbd.h
imx_keypad.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
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: add missing dependencies on CONFIG_HAS_IOMEM 2021-02-19 11:02:18 -08:00
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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
lpc32xx-keys.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
Makefile input: keyboard: Add support for Azoteq IQS620A/621/622/624/625 2020-03-27 08:25:42 +00:00
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 - add polling mode 2019-10-15 17:43:54 -07:00
mtk-pmic-keys.c Linux 5.2 2019-07-15 09:42:32 -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: remove dev_err() usage after platform_get_irq() 2019-08-14 10:49:01 -07:00
omap4-keypad.c Input: omap4-keypad - implement errata check for lost key-up events 2021-01-10 22:23:04 -08:00
omap-keypad.c treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD() 2020-07-30 11:15:58 -07:00
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 - remove gratuitous NULL initializers 2019-12-04 17:56:55 -08:00
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 Linux 5.2 2019-07-15 09:42:32 -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 Linux 5.6 2020-05-12 12:18:21 -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: use input_device_enabled() 2020-12-02 22:10:33 -08:00
tm2-touchkey.c Input: tm2-touchkey - add vddio regulator 2020-12-09 19:47:11 -08:00
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