From 7c9332d19e54d3eb1beab931a43930fe7ad1d468 Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Thu, 4 Oct 2012 17:12:47 -0700 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 Cc: Claudio Nieder Cc: Richard Purdie Cc: Sachin Kamat Cc: Mark Brown Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/backlight/kb3886_bl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/video/backlight/kb3886_bl.c') 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); } -- cgit v1.2.3