diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2012-10-05 04:12:47 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-05 22:04:52 +0400 |
| commit | 7c9332d19e54d3eb1beab931a43930fe7ad1d468 (patch) | |
| tree | 4cebac91866399cf6bfcde349939fc644ccc4d9d /drivers/video | |
| parent | a08e1a376b0a31e0a978494deffed409fad9c531 (diff) | |
| download | linux-7c9332d19e54d3eb1beab931a43930fe7ad1d468.tar.xz | |
drivers/video/backlight/kb3886_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 <jg1.han@samsung.com>
Cc: Claudio Nieder <private@claudio.ch>
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>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/backlight/kb3886_bl.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c index 72dd5556a35b..6c5ed6b242cc 100644 --- a/drivers/video/backlight/kb3886_bl.c +++ b/drivers/video/backlight/kb3886_bl.c @@ -34,9 +34,9 @@ static void kb3886_bl_set_intensity(int intensity) mutex_lock(&bl_mutex); intensity = intensity&0xff; outb(KB3886_ADC_DAC_PWM, KB3886_PARENT); - msleep(10); + usleep_range(10000, 11000); outb(KB3886_PWM0_WRITE, KB3886_IO); - msleep(10); + usleep_range(10000, 11000); outb(intensity, KB3886_IO); mutex_unlock(&bl_mutex); } |