backlight: ams369fg06: 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>

diff --git a/drivers/video/backlight/ams369fg06.c b/drivers/video/backlight/ams369fg06.c
index f57e190..55b2792 100644 (file)
--- a/drivers/video/backlight/ams369fg06.c
+++ b/drivers/video/backlight/ams369fg06.c
@@ -210,8 +210,9 @@ static int ams369fg06_panel_send_sequence(struct ams369fg06 *lcd,
                        ret = ams369fg06_spi_write(lcd, wbuf[i], wbuf[i+1]);
                        if (ret)
                                break;
-               } else
-                       mdelay(wbuf[i+1]);
+               } else {
+                       msleep(wbuf[i+1]);
+               }
                i += 2;
        }
 
@@ -339,7 +340,7 @@ static int ams369fg06_power_on(struct ams369fg06 *lcd)
                return -EFAULT;
        } else {
                pd->power_on(lcd->ld, 1);
-               mdelay(pd->power_on_delay);
+               msleep(pd->power_on_delay);
        }
 
        if (!pd->reset) {
@@ -347,7 +348,7 @@ static int ams369fg06_power_on(struct ams369fg06 *lcd)
                return -EFAULT;
        } else {
                pd->reset(lcd->ld);
-               mdelay(pd->reset_delay);
+               msleep(pd->reset_delay);
        }
 
        ret = ams369fg06_ldi_init(lcd);
@@ -389,7 +390,7 @@ static int ams369fg06_power_off(struct ams369fg06 *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");