Messages in this thread Patch in this message | | | From | Jingoo Han <> | Subject | [PATCH 3/3] backlight: kb3886: Use usleep_range() instead of msleep() for small sleeps | Date | Mon, 06 Aug 2012 13:45:34 +0900 |
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Since msleep might not sleep for the desired amount when less than 20ms, use usleep_range.
Cc: Claudio Nieder <private@claudio.ch> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Jingoo Han <jg1.han@samsung.com> --- 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 72dd555..6c5ed6b 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); } -- 1.7.1
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