diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2013-02-21 16:43:21 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-21 17:22:22 -0800 |
| commit | 97a4d9d53a2c63706cb5bf222c37bf273939a7eb (patch) | |
| tree | 2faf3bd12cfe3b07e921acae78b300fb2dfc6890 /drivers/video | |
| parent | 4a959e598ebb20caeec0b5e5c4455597f4836661 (diff) | |
backlight: s6e63m0: use sleep instead of delay
Replace mdelay with msleep to remove the busy loop waiting.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/backlight/s6e63m0.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c index cae140d83f3..cff45152dee 100644 --- a/drivers/video/backlight/s6e63m0.c +++ b/drivers/video/backlight/s6e63m0.c @@ -406,8 +406,9 @@ static int s6e63m0_panel_send_sequence(struct s6e63m0 *lcd, ret = s6e63m0_spi_write(lcd, wbuf[i], wbuf[i+1]); if (ret) break; - } else - udelay(wbuf[i+1]*1000); + } else { + msleep(wbuf[i+1]); + } i += 2; } @@ -523,7 +524,7 @@ static int s6e63m0_power_on(struct s6e63m0 *lcd) return -EFAULT; } else { pd->power_on(lcd->ld, 1); - mdelay(pd->power_on_delay); + msleep(pd->power_on_delay); } if (!pd->reset) { @@ -531,7 +532,7 @@ static int s6e63m0_power_on(struct s6e63m0 *lcd) return -EFAULT; } else { pd->reset(lcd->ld); - mdelay(pd->reset_delay); + msleep(pd->reset_delay); } ret = s6e63m0_ldi_init(lcd); @@ -573,7 +574,7 @@ static int s6e63m0_power_off(struct s6e63m0 *lcd) return -EIO; } - mdelay(pd->power_off_delay); + msleep(pd->power_off_delay); if (!pd->power_on) { dev_err(lcd->dev, "power_on is NULL.\n"); |