Messages in this thread Patch in this message | | | From | Shuah Khan <> | Subject | [PATCH v2] backlight: Convert from Legacy pm ops to dev_pm_ops | Date | Wed, 14 Nov 2040 04:27:17 -0700 |
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Convert drivers/video/backlight/class to use dev_pm_ops for power management and remove Legacy PM ops hooks. With this change, rtc class registers suspend/resume callbacks via class->pm (dev_pm_ops) instead of Legacy class->suspend/resume. When __device_suspend() runs call-backs, it will find class->pm ops for the backlight class.
Signed-off-by: Shuah Khan <shuah.kh@samsung.com> Cc: Shuah Khan <shuahkhan@gmail.com> ---
v2: Updated changelog to correct device class.
drivers/video/backlight/backlight.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index c74e7aa..0ffb251 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -208,7 +208,7 @@ static ssize_t backlight_show_actual_brightness(struct device *dev, static struct class *backlight_class; -static int backlight_suspend(struct device *dev, pm_message_t state) +static int backlight_suspend(struct device *dev) { struct backlight_device *bd = to_backlight_device(dev); @@ -236,6 +236,9 @@ static int backlight_resume(struct device *dev) return 0; } +static SIMPLE_DEV_PM_OPS(backlight_class_dev_pm_ops, backlight_suspend, + backlight_resume); + static void bl_device_release(struct device *dev) { struct backlight_device *bd = to_backlight_device(dev); @@ -414,8 +417,7 @@ static int __init backlight_class_init(void) } backlight_class->dev_attrs = bl_device_attributes; - backlight_class->suspend = backlight_suspend; - backlight_class->resume = backlight_resume; + backlight_class->pm = &backlight_class_dev_pm_ops; return 0; } -- 1.7.10.4
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