Since msleep might not sleep for the desired amount when less
than 20ms, use usleep_range.
Cc: Haavard Skinnemoen <hskinnem...@gmail.com>
Cc: Richard Purdie <rpur...@rpsys.net>
Signed-off-by: Jingoo Han <jg1....@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
@@ -75,7 +75,7 @@ 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))
@@ -153,7 +153,7 @@ err_settings:
err_power2:
err_power1:
ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000);
- msleep(1);
+ usleep_range(1000, 1100);
err:
ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE);
return -EIO;
@@ -175,7 +175,7 @@ static int ltv350qv_power_off(struct ltv350qv *lcd)
ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000);
/* Wait at least 1 ms */
- msleep(1);
+ usleep_range(1000, 1100);
/* Power down setting 2 */
ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE);
--
1.7.1
--
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