Commit f725edd8 authored by Andy Shevchenko's avatar Andy Shevchenko
Browse files

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: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
parent baca3b15

drivers/gpio/gpiolib.c

+7 −0
Original line number Diff line number Diff line
@@ -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

drivers/gpio/gpiolib.h

+1 −0
Original line number Diff line number Diff line
@@ -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);