[PATCH 2/3] backlight: ltv350qv: 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.

Cc: Haavard Skinnemoen <hskinnemoen <at> gmail.com>
Cc: Richard Purdie <rpurdie <at> rpsys.net>
Signed-off-by: Jingoo Han <jg1.han <at> samsung.com>
---
 drivers/video/backlight/ltv350qv.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c
index 6c0f1ac..4066a5b 100644
--- a/drivers/video/backlight/ltv350qv.c
+++ b/drivers/video/backlight/ltv350qv.c
 <at>  <at>  -75,7 +75,7  <at>  <at>  static int ltv350qv_power_on(struct ltv350qv *lcd)
 	/* Power On Reset Display off State */
 	if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, 0x0000))
 		goto err;
-	msleep(15);
+	usleep_range(15000, 16000);

 	/* Power Setting Function 1 */
 	if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE))
 <at>  <at>  -153,7 +153,7  <at>  <at>  err_settings:
 err_power2:
 err_power1:
 	ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000);
-	msleep(1);
+	usleep_range(1000, 1100);
 err: