This patch replaces mdelay with msleep to remove the busy loop
waiting.
Signed-off-by: Jingoo Han <[email protected]>
---
drivers/video/backlight/ld9040.c | 13 +++++++------
1 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/video/backlight/ld9040.c b/drivers/video/backlight/ld9040.c
index 1cb3524..a52a6a7 100644
--- a/drivers/video/backlight/ld9040.c
+++ b/drivers/video/backlight/ld9040.c
@@ -78,7 +78,7 @@ static void ld9040_regulator_enable(struct ld9040 *lcd)
lcd->enabled = true;
}
- mdelay(pd->power_on_delay);
+ msleep(pd->power_on_delay);
out:
mutex_unlock(&lcd->lock);
}
@@ -474,8 +474,9 @@ static int ld9040_panel_send_sequence(struct ld9040 *lcd,
ret = ld9040_spi_write(lcd, wbuf[i], wbuf[i+1]);
if (ret)
break;
- } else
- udelay(wbuf[i+1]*1000);
+ } else {
+ msleep(wbuf[i+1]);
+ }
i += 2;
}
@@ -539,7 +540,7 @@ static int ld9040_ldi_init(struct ld9040 *lcd)
for (i = 0; i < ARRAY_SIZE(init_seq); i++) {
ret = ld9040_panel_send_sequence(lcd, init_seq[i]);
/* workaround: minimum delay time for transferring CMD */
- udelay(300);
+ usleep_range(300, 310);
if (ret)
break;
}
@@ -584,7 +585,7 @@ static int ld9040_power_on(struct ld9040 *lcd)
return -EFAULT;
} else {
pd->reset(lcd->ld);
- mdelay(pd->reset_delay);
+ msleep(pd->reset_delay);
}
ret = ld9040_ldi_init(lcd);
@@ -619,7 +620,7 @@ static int ld9040_power_off(struct ld9040 *lcd)
return -EIO;
}
- mdelay(pd->power_off_delay);
+ msleep(pd->power_off_delay);
/* lcd power off */
ld9040_regulator_disable(lcd);
--
1.7.2.5
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