summaryrefslogtreecommitdiffstats
path: root/drivers/video/backlight
diff options
context:
space:
mode:
authorJingoo Han <jg1.han@samsung.com>2013-02-21 16:43:21 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-21 17:22:22 -0800
commit97a4d9d53a2c63706cb5bf222c37bf273939a7eb (patch)
tree2faf3bd12cfe3b07e921acae78b300fb2dfc6890 /drivers/video/backlight
parent4a959e598ebb20caeec0b5e5c4455597f4836661 (diff)
downloadblackbird-op-linux-97a4d9d53a2c63706cb5bf222c37bf273939a7eb.tar.gz
blackbird-op-linux-97a4d9d53a2c63706cb5bf222c37bf273939a7eb.zip
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/backlight')
-rw-r--r--drivers/video/backlight/s6e63m0.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c
index cae140d83f3c..cff45152dee3 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");
OpenPOWER on IntegriCloud