[PATCH 1/3] backlight: da9052: Use usleep_range() instead of msleep()for small sleeps

From: Jingoo Han
Date: Mon Aug 06 2012 - 00:44:25 EST


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

Cc: Ashish Jangam <ashish.jangam@xxxxxxxxxxxxxxx>
Cc: Richard Purdie <rpurdie@xxxxxxxxx>
Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/video/backlight/da9052_bl.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/video/backlight/da9052_bl.c b/drivers/video/backlight/da9052_bl.c
index b628d68..10485c9 100644
--- a/drivers/video/backlight/da9052_bl.c
+++ b/drivers/video/backlight/da9052_bl.c
@@ -72,7 +72,7 @@ static int da9052_adjust_wled_brightness(struct da9052_bl *wleds)
if (ret < 0)
return ret;

- msleep(10);
+ usleep_range(10000, 11000);

if (wleds->brightness) {
ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg],
--
1.7.1


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