[PATCH v6 05/18] gpiolib: Introduce gpio_set_debounce_timeout() for internal use

[Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>]

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@xxxxxxxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
 drivers/gpio/gpiolib.c | 7 +++++++
 drivers/gpio/gpiolib.h | 1 +
 2 files changed, 8 insertions(+)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index c4f73597a54d..0d691ec512a4 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2161,6 +2161,13 @@ 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 16bc5731673c..9b1a1c782704 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -136,6 +136,7 @@ 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);
 
-- 
2.28.0