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

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

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Ashish Jangam <ashish.jangam@kpitcummins.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jingoo Han 2012-10-04 17:12:42 -07:00 committed by Linus Torvalds
parent 055e72fe62
commit 5333e254ab
1 changed files with 1 additions and 1 deletions
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drivers/video/backlight/da9052_bl.c
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@ -72,7 +72,7 @@ static int da9052_adjust_wled_brightness(struct da9052_bl *wleds)
if (ret < 0) if (ret < 0)
return ret; return ret;
msleep(10); usleep_range(10000, 11000);
if (wleds->brightness) { if (wleds->brightness) {
ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg], ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg],