backlight: s6e63m0: convert s6e63m0 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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26cd2a440c
Коммит
d50d7ac08b
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@ -817,12 +817,12 @@ static int s6e63m0_remove(struct spi_device *spi)
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return 0;
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}
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#if defined(CONFIG_PM)
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static int s6e63m0_suspend(struct spi_device *spi, pm_message_t mesg)
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#ifdef CONFIG_PM_SLEEP
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static int s6e63m0_suspend(struct device *dev)
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{
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struct s6e63m0 *lcd = spi_get_drvdata(spi);
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struct s6e63m0 *lcd = dev_get_drvdata(dev);
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dev_dbg(&spi->dev, "lcd->power = %d\n", lcd->power);
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dev_dbg(dev, "lcd->power = %d\n", lcd->power);
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/*
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* when lcd panel is suspend, lcd panel becomes off
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@ -831,19 +831,18 @@ static int s6e63m0_suspend(struct spi_device *spi, pm_message_t mesg)
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return s6e63m0_power(lcd, FB_BLANK_POWERDOWN);
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}
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static int s6e63m0_resume(struct spi_device *spi)
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static int s6e63m0_resume(struct device *dev)
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{
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struct s6e63m0 *lcd = spi_get_drvdata(spi);
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struct s6e63m0 *lcd = dev_get_drvdata(dev);
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lcd->power = FB_BLANK_POWERDOWN;
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return s6e63m0_power(lcd, FB_BLANK_UNBLANK);
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}
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#else
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#define s6e63m0_suspend NULL
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#define s6e63m0_resume NULL
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#endif
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static SIMPLE_DEV_PM_OPS(s6e63m0_pm_ops, s6e63m0_suspend, s6e63m0_resume);
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/* Power down all displays on reboot, poweroff or halt. */
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static void s6e63m0_shutdown(struct spi_device *spi)
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{
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@ -856,12 +855,11 @@ static struct spi_driver s6e63m0_driver = {
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.driver = {
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.name = "s6e63m0",
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.owner = THIS_MODULE,
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.pm = &s6e63m0_pm_ops,
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},
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.probe = s6e63m0_probe,
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.remove = s6e63m0_remove,
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.shutdown = s6e63m0_shutdown,
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.suspend = s6e63m0_suspend,
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.resume = s6e63m0_resume,
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};
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module_spi_driver(s6e63m0_driver);
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