diff options
| author |   Jingoo Han <jg1.han@samsung.com> | 2013-04-29 16:17:38 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 18:28:16 -0700 |
| commit | 14c1b778fe93c79ebcb0dc42c62815615517e975 (patch) | |
| tree | 838dc74de2bba69a65dee7d9acc506a540deb015 /drivers/video/backlight | |
| parent | backlight: s6e63m0: convert s6e63m0 to dev_pm_ops (diff) | |
| download | linux-dev-14c1b778fe93c79ebcb0dc42c62815615517e975.tar.xz linux-dev-14c1b778fe93c79ebcb0dc42c62815615517e975.zip | |
backlight: adp5520: convert adp5520_bl 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/backlight')
| -rw-r--r-- | drivers/video/backlight/adp5520_bl.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c index a1e41d4faa71..962d120f6d0d 100644 --- a/drivers/video/backlight/adp5520_bl.c +++ b/drivers/video/backlight/adp5520_bl.c @@ -349,35 +349,34 @@ static int adp5520_bl_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM -static int adp5520_bl_suspend(struct platform_device *pdev, - pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int adp5520_bl_suspend(struct device *dev) { - struct backlight_device *bl = platform_get_drvdata(pdev); + struct backlight_device *bl = dev_get_drvdata(dev); + return adp5520_bl_set(bl, 0); } -static int adp5520_bl_resume(struct platform_device *pdev) +static int adp5520_bl_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 adp5520_bl_suspend NULL -#define adp5520_bl_resume NULL #endif +static SIMPLE_DEV_PM_OPS(adp5520_bl_pm_ops, adp5520_bl_suspend, + adp5520_bl_resume); + static struct platform_driver adp5520_bl_driver = { .driver = { .name = "adp5520-backlight", .owner = THIS_MODULE, + .pm = &adp5520_bl_pm_ops, }, .probe = adp5520_bl_probe, .remove = adp5520_bl_remove, - .suspend = adp5520_bl_suspend, - .resume = adp5520_bl_resume, }; module_platform_driver(adp5520_bl_driver); |