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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-11-09 21:53:23 +0100 |
|---|---|---|
| committer | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-11-16 13:14:34 +0100 |
| commit | f725edd86b6b2415db9ae9bb6293f8300b9dbce9 (patch) | |
| tree | d4bdd105e835c190834821fd8aa5c7e74f3aaa26 | |
| parent | gpiolib: Extract gpio_set_config_with_argument_optional() helper (diff) | |
| download | linux-f725edd86b6b2415db9ae9bb6293f8300b9dbce9.tar.xz linux-f725edd86b6b2415db9ae9bb6293f8300b9dbce9.zip | |
gpiolib: Introduce gpio_set_debounce_timeout() for internal use
In some cases we would like to have debounce setter which doesn't fail
when a feature is not supported by a controller.
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
| -rw-r--r-- | drivers/gpio/gpiolib.c | 7 | ||||
| -rw-r--r-- | drivers/gpio/gpiolib.h | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index e5338f6d78d7..c6db72d5420e 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2160,6 +2160,13 @@ static int gpio_set_bias(struct gpio_desc *desc) return gpio_set_config_with_argument_optional(desc, bias, arg); } +int gpio_set_debounce_timeout(struct gpio_desc *desc, unsigned int debounce) +{ + return gpio_set_config_with_argument_optional(desc, + PIN_CONFIG_INPUT_DEBOUNCE, + debounce); +} + /** * gpiod_direction_input - set the GPIO direction to input * @desc: GPIO to set to input diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index b674b5bb980e..42d81454da21 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -134,6 +134,7 @@ int gpiod_request(struct gpio_desc *desc, const char *label); void gpiod_free(struct gpio_desc *desc); int gpiod_configure_flags(struct gpio_desc *desc, const char *con_id, unsigned long lflags, enum gpiod_flags dflags); +int gpio_set_debounce_timeout(struct gpio_desc *desc, unsigned int debounce); int gpiod_hog(struct gpio_desc *desc, const char *name, unsigned long lflags, enum gpiod_flags dflags); |