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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-01-10 15:09:22 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-10 16:30:48 -0800
commite2c17bc6f717a8847df2a867caec6ba4fe85f3fc (patch)
tree9e0014d520c8b83601968da292d080fda8bb7e52 /drivers/video/backlight/pwm_bl.c
parent48e78e8cc87ab80617ef0c5a146701ca96a4a51d (diff)
downloadlinux-stericsson-e2c17bc6f717a8847df2a867caec6ba4fe85f3fc.tar.gz
backlight: convert pwm_bl to dev_pm_ops
Should be no functional changes, mainly a reorganisation to support future work. [akpm@linux-foundation.org: fix CONFIG_PM=n build] Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/backlight/pwm_bl.c')
-rw-r--r--drivers/video/backlight/pwm_bl.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index b811e8fb4062..7496d04e1d3c 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -169,10 +169,9 @@ static int pwm_backlight_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM
-static int pwm_backlight_suspend(struct platform_device *pdev,
- pm_message_t state)
+static int pwm_backlight_suspend(struct device *dev)
{
- struct backlight_device *bl = platform_get_drvdata(pdev);
+ struct backlight_device *bl = dev_get_drvdata(dev);
struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev);
if (pb->notify)
@@ -184,27 +183,29 @@ static int pwm_backlight_suspend(struct platform_device *pdev,
return 0;
}
-static int pwm_backlight_resume(struct platform_device *pdev)
+static int pwm_backlight_resume(struct device *dev)
{
- struct backlight_device *bl = platform_get_drvdata(pdev);
+ struct backlight_device *bl = dev_get_drvdata(dev);
backlight_update_status(bl);
return 0;
}
-#else
-#define pwm_backlight_suspend NULL
-#define pwm_backlight_resume NULL
+
+static SIMPLE_DEV_PM_OPS(pwm_backlight_pm_ops, pwm_backlight_suspend,
+ pwm_backlight_resume);
+
#endif
static struct platform_driver pwm_backlight_driver = {
.driver = {
.name = "pwm-backlight",
.owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &pwm_backlight_pm_ops,
+#endif
},
.probe = pwm_backlight_probe,
.remove = pwm_backlight_remove,
- .suspend = pwm_backlight_suspend,
- .resume = pwm_backlight_resume,
};
module_platform_driver(pwm_backlight_driver);