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Commit d54e5b52 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Jacek Anaszewski
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leds: wm831x-status: Use sysfs_match_string() helper 



Use sysfs_match_string() helper instead of open coded variant.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarPavel Machek <pavel@ucw.cz>
Signed-off-by: default avatarJacek Anaszewski <jacek.anaszewski@gmail.com>
parent 9e50d5fb

drivers/leds/leds-wm831x-status.c

+6 −16
Original line number Diff line number Diff line
@@ -188,25 +188,15 @@ static ssize_t wm831x_status_src_store(struct device *dev, 
{

	struct led_classdev *led_cdev = dev_get_drvdata(dev);

	struct wm831x_status *led = to_wm831x_status(led_cdev);

	char name[20];

	int i;

	size_t len;



	name[sizeof(name) - 1] = '\0';

	strncpy(name, buf, sizeof(name) - 1);

	len = strlen(name);



	if (len && name[len - 1] == '\n')

		name[len - 1] = '\0';



	for (i = 0; i < ARRAY_SIZE(led_src_texts); i++) {

		if (!strcmp(name, led_src_texts[i])) {

	i = sysfs_match_string(led_src_texts, buf);

	if (i >= 0) {

		mutex_lock(&led->mutex);

		led->src = i;

		mutex_unlock(&led->mutex);

		wm831x_status_set(led);

	}

	}



	return size;

}