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>

1 files changed, 6 insertions, 5 deletions

diff --git a/drivers/video/backlight/ams369fg06.c b/drivers/video/backlight/ams369fg06.c
index f57e1905236a..55b27921bf9e 100644
--- 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");