[PATCH 2/6] extcon-gpio: If the gpio driver/chip supports debounce, use it

[Guenter Roeck]

Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
 drivers/extcon/extcon-gpio.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/extcon/extcon-gpio.c b/drivers/extcon/extcon-gpio.c
index 77d35a7..973600e 100644
--- a/drivers/extcon/extcon-gpio.c
+++ b/drivers/extcon/extcon-gpio.c
@@ -111,6 +111,11 @@ static int gpio_extcon_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err;
 
+	/* Use gpio debounce if available. If so, don't debounce in software. */
+	if (pdata->debounce &&
+	    !gpio_set_debounce(extcon_data->gpio, pdata->debounce * 1000))
+		extcon_data->debounce_jiffies = 0;
+
 	INIT_DELAYED_WORK(&extcon_data->work, gpio_extcon_work);
 
 	extcon_data->irq = gpio_to_irq(extcon_data->gpio);
-- 
1.7.9.7

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