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authorJingoo Han <jg1.han@samsung.com>2013-04-29 16:17:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 18:28:16 -0700
commitd7696aad5daed5e361bb57128db136f1d4ad33e0 (patch)
tree83855b2b9ed6976c2c34c5ea143622a01f05343c /drivers/video
parentbb0747105728fb1e2f0df5875f4ab9be13641ff5 (diff)
backlight: ep93xx: convert ep93xx 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>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/backlight/ep93xx_bl.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/video/backlight/ep93xx_bl.c b/drivers/video/backlight/ep93xx_bl.c
index fd073b277e48..33455821dd31 100644
--- a/drivers/video/backlight/ep93xx_bl.c
+++ b/drivers/video/backlight/ep93xx_bl.c
@@ -115,35 +115,33 @@ static int ep93xxbl_remove(struct platform_device *dev)
return 0;
}
-#ifdef CONFIG_PM
-static int ep93xxbl_suspend(struct platform_device *dev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int ep93xxbl_suspend(struct device *dev)
{
- struct backlight_device *bl = platform_get_drvdata(dev);
+ struct backlight_device *bl = dev_get_drvdata(dev);
return ep93xxbl_set(bl, 0);
}
-static int ep93xxbl_resume(struct platform_device *dev)
+static int ep93xxbl_resume(struct device *dev)
{
- struct backlight_device *bl = platform_get_drvdata(dev);
+ struct backlight_device *bl = dev_get_drvdata(dev);
backlight_update_status(bl);
return 0;
}
-#else
-#define ep93xxbl_suspend NULL
-#define ep93xxbl_resume NULL
#endif
+static SIMPLE_DEV_PM_OPS(ep93xxbl_pm_ops, ep93xxbl_suspend, ep93xxbl_resume);
+
static struct platform_driver ep93xxbl_driver = {
.driver = {
.name = "ep93xx-bl",
.owner = THIS_MODULE,
+ .pm = &ep93xxbl_pm_ops,
},
.probe = ep93xxbl_probe,
.remove = ep93xxbl_remove,
- .suspend = ep93xxbl_suspend,
- .resume = ep93xxbl_resume,
};
module_platform_driver(ep93xxbl_driver);