drivers/video/backlight/da9052_bl.c: use usleep_range() instead of msleep() for small sleeps

Since msleep() might not sleep for the desired amount when less than 20ms,
use usleep_range().

Signed-off-by: Jingoo Han <[email protected]>
Cc: Ashish Jangam <[email protected]>
Cc: Richard Purdie <[email protected]>
Cc: Sachin Kamat <[email protected]>
Cc: Mark Brown <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jingoo Han 2012-10-04 17:12:42 -07:00 • committed by Linus Torvalds
commit 5333e254ab

View file

@ -72,7 +72,7 @@ static int da9052_adjust_wled_brightness(struct da9052_bl *wleds)
if (ret < 0)
return ret;
msleep(10);
usleep_range(10000, 11000);
if (wleds->brightness) {
ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg],