Messages in this thread Patch in this message | | | From | Jingoo Han <> | Subject | [PATCH 08/14] backlight: ep93xx: convert ep93xx to dev_pm_ops | Date | Tue, 12 Mar 2013 14:51:42 +0900 |
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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> --- drivers/video/backlight/ep93xx_bl.c | 18 ++++++++---------- 1 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/drivers/video/backlight/ep93xx_bl.c b/drivers/video/backlight/ep93xx_bl.c index ef3e21e..734b7fe 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); -- 1.7.2.5
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