Messages in this thread | | | From | sebastian.capella@linaro ... | Date | Tue, 18 Feb 2014 14:20:42 -0800 | Subject | Re: [v2] backlight: Convert from Legacy pm ops to dev_pm_ops |
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Shuah Khan <shuah.kh@samsung.com> wrote:
> 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; > } >
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