backlight: locomolcd: convert locomolcd 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>
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1 changed files with 7 additions and 9 deletions
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@ -157,25 +157,24 @@ static const struct backlight_ops locomobl_data = {
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.update_status = locomolcd_set_intensity,
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};
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#ifdef CONFIG_PM
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static int locomolcd_suspend(struct locomo_dev *dev, pm_message_t state)
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#ifdef CONFIG_PM_SLEEP
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static int locomolcd_suspend(struct device *dev)
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{
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locomolcd_flags |= LOCOMOLCD_SUSPENDED;
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locomolcd_set_intensity(locomolcd_bl_device);
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return 0;
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}
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static int locomolcd_resume(struct locomo_dev *dev)
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static int locomolcd_resume(struct device *dev)
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{
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locomolcd_flags &= ~LOCOMOLCD_SUSPENDED;
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locomolcd_set_intensity(locomolcd_bl_device);
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return 0;
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}
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#else
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#define locomolcd_suspend NULL
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#define locomolcd_resume NULL
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#endif
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static SIMPLE_DEV_PM_OPS(locomolcd_pm_ops, locomolcd_suspend, locomolcd_resume);
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static int locomolcd_probe(struct locomo_dev *ldev)
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{
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struct backlight_properties props;
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@ -230,13 +229,12 @@ static int locomolcd_remove(struct locomo_dev *dev)
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static struct locomo_driver poodle_lcd_driver = {
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.drv = {
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.name = "locomo-backlight",
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.name = "locomo-backlight",
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.pm = &locomolcd_pm_ops,
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},
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.devid = LOCOMO_DEVID_BACKLIGHT,
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.probe = locomolcd_probe,
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.remove = locomolcd_remove,
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.suspend = locomolcd_suspend,
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.resume = locomolcd_resume,
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};
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static int __init locomolcd_init(void)
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