[PATCH 3/3] backlight: kb3886: Use usleep_range() instead of msleep()for small sleeps

[Jingoo Han]

Since msleep might not sleep for the desired amount when less
than 20ms, use usleep_range.

Cc: Claudio Nieder <private@xxxxxxxxxx>
Cc: Richard Purdie <rpurdie@xxxxxxxxx>
Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
 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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