backlight: locomolcd: convert locomolcd to dev_pm_ops

Instead of using legacy suspend/resume methods, using newer dev_pm_ops
structure allows better control over power management.

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, 7 insertions, 9 deletions

diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c
index 146fea8aa431..6c3ec4259a60 100644
--- a/drivers/video/backlight/locomolcd.c
+++ b/drivers/video/backlight/locomolcd.c
@@ -157,25 +157,24 @@ static const struct backlight_ops locomobl_data = {
         .update_status  = locomolcd_set_intensity,
 };
 
-#ifdef CONFIG_PM
-static int locomolcd_suspend(struct locomo_dev *dev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int locomolcd_suspend(struct device *dev)
 {
         locomolcd_flags |= LOCOMOLCD_SUSPENDED;
         locomolcd_set_intensity(locomolcd_bl_device);
         return 0;
 }
 
-static int locomolcd_resume(struct locomo_dev *dev)
+static int locomolcd_resume(struct device *dev)
 {
         locomolcd_flags &= ~LOCOMOLCD_SUSPENDED;
         locomolcd_set_intensity(locomolcd_bl_device);
         return 0;
 }
-#else
-#define locomolcd_suspend       NULL
-#define locomolcd_resume        NULL
 #endif
 
+static SIMPLE_DEV_PM_OPS(locomolcd_pm_ops, locomolcd_suspend, locomolcd_resume);
+
 static int locomolcd_probe(struct locomo_dev *ldev)
 {
         struct backlight_properties props;
@@ -230,13 +229,12 @@ static int locomolcd_remove(struct locomo_dev *dev)
 
 static struct locomo_driver poodle_lcd_driver = {
         .drv = {
-                .name = "locomo-backlight",
+                .name   = "locomo-backlight",
+                .pm     = &locomolcd_pm_ops,
         },
         .devid  = LOCOMO_DEVID_BACKLIGHT,
         .probe  = locomolcd_probe,
         .remove = locomolcd_remove,
-        .suspend = locomolcd_suspend,
-        .resume = locomolcd_resume,
 };
 
 static int __init locomolcd_init(void)