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extcon: gpio: Use gpio driver/chip debounce if supported 

This patch use gpio_set_debounce() API provided from gpiolib if SoC or device
driver with gpio support gpio_set_debounce() function.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Guenter Roeck 2013-09-10 19:16:18 -07:00 committed by Chanwoo Choi
parent 1073514b11
commit 338de0ca68
1 changed files with 7 additions and 1 deletions
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8
drivers/extcon/extcon-gpio.c
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@ -100,7 +100,13 @@ static int gpio_extcon_probe(struct platform_device *pdev)
extcon_data->state_off = pdata->state_off;
if (pdata->state_on && pdata->state_off)
extcon_data->edev.print_state = extcon_gpio_print_state;
extcon_data->debounce_jiffies = msecs_to_jiffies(pdata->debounce);
if (pdata->debounce) {
ret = gpio_set_debounce(extcon_data->gpio,
pdata->debounce * 1000);
if (ret < 0)
extcon_data->debounce_jiffies =
msecs_to_jiffies(pdata->debounce);
}
ret = extcon_dev_register(&extcon_data->edev, &pdev->dev);
if (ret < 0)