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authorJingoo Han <jg1.han@samsung.com>2012-10-05 04:12:47 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-05 22:04:52 +0400
commit7c9332d19e54d3eb1beab931a43930fe7ad1d468 (patch)
tree4cebac91866399cf6bfcde349939fc644ccc4d9d /drivers/video
parenta08e1a376b0a31e0a978494deffed409fad9c531 (diff)
downloadlinux-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.c4
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);
}