]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
gpiolib: acpi: Program debounce when finding GPIO
authorMario Limonciello (AMD) <superm1@kernel.org>
Wed, 20 Aug 2025 23:33:11 +0000 (18:33 -0500)
committerAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Thu, 21 Aug 2025 09:40:42 +0000 (11:40 +0200)
commit16c07342b5425b86547146a6e51d9e32cee8d300
tree3344f0d368192226916d1a2c5a5db0900314f1fe
parent8f5ae30d69d7543eee0d70083daf4de8fe15d585
gpiolib: acpi: Program debounce when finding GPIO

When soc-button-array looks up the GPIO to use it calls acpi_find_gpio()
which will parse _CRS.

acpi_find_gpio.cold (drivers/gpio/gpiolib-acpi-core.c:953)
gpiod_find_and_request (drivers/gpio/gpiolib.c:4598 drivers/gpio/gpiolib.c:4625)
gpiod_get_index (drivers/gpio/gpiolib.c:4877)

The GPIO is setup basically, but the debounce information is discarded.
The platform will assert what debounce should be in _CRS, so program it
at the time it's available.

Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
drivers/gpio/gpiolib-acpi-core.c