The patch titled
Subject: drivers/video/backlight/kb3886_bl.c: use usleep_range() instead of msleep() for small sleeps
has been added to the -mm tree. Its filename is
drivers-video-backlight-kb3886_blc-use-usleep_range-instead-of-msleep-for-small-sleeps.patch
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------------------------------------------------------
From: Jingoo Han <jg1.han@xxxxxxxxxxx>
Subject: 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@xxxxxxxxxxx>
Cc: Claudio Nieder <private@xxxxxxxxxx>
Cc: Richard Purdie <rpurdie@xxxxxxxxx>
Cc: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/backlight/kb3886_bl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN drivers/video/backlight/kb3886_bl.c~drivers-video-backlight-kb3886_blc-use-usleep_range-instead-of-msleep-for-small-sleeps drivers/video/backlight/kb3886_bl.c
--- a/drivers/video/backlight/kb3886_bl.c~drivers-video-backlight-kb3886_blc-use-usleep_range-instead-of-msleep-for-small-sleeps
+++ a/drivers/video/backlight/kb3886_bl.c
@@ -34,9 +34,9 @@ static void kb3886_bl_set_intensity(int
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);
}
_
Patches currently in -mm which might be from jg1.han@xxxxxxxxxxx are
linux-next.patch
drivers-video-backlight-da9052_blc-use-usleep_range-instead-of-msleep-for-small-sleeps.patch
drivers-video-backlight-ltv350qvc-use-usleep_range-instead-of-msleep-for-small-sleeps.patch
drivers-video-backlight-kb3886_blc-use-usleep_range-instead-of-msleep-for-small-sleeps.patch
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