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drivers/video/backlight/ams369fg06.c: convert ams369fg06 to dev_pm_ops

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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>
This commit is contained in:
Jingoo Han
2013-04-29 16:17:25 -07:00
committed by Linus Torvalds
parent a16b945c32
commit ba3601a99f
1 changed files with 10 additions and 11 deletions
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21
drivers/video/backlight/ams369fg06.c
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@@ -533,12 +533,12 @@ static int ams369fg06_remove(struct spi_device *spi)
return 0; return 0;
} }
#if defined(CONFIG_PM) #ifdef CONFIG_PM_SLEEP
static int ams369fg06_suspend(struct spi_device *spi, pm_message_t mesg) static int ams369fg06_suspend(struct device *dev)
{ {
struct ams369fg06 *lcd = spi_get_drvdata(spi); struct ams369fg06 *lcd = dev_get_drvdata(dev);
dev_dbg(&spi->dev, "lcd->power = %d\n", lcd->power); dev_dbg(dev, "lcd->power = %d\n", lcd->power);
/* /*
* when lcd panel is suspend, lcd panel becomes off * when lcd panel is suspend, lcd panel becomes off
@@ -547,19 +547,19 @@ static int ams369fg06_suspend(struct spi_device *spi, pm_message_t mesg)
return ams369fg06_power(lcd, FB_BLANK_POWERDOWN); return ams369fg06_power(lcd, FB_BLANK_POWERDOWN);
} }
static int ams369fg06_resume(struct spi_device *spi) static int ams369fg06_resume(struct device *dev)
{ {
struct ams369fg06 *lcd = spi_get_drvdata(spi); struct ams369fg06 *lcd = dev_get_drvdata(dev);
lcd->power = FB_BLANK_POWERDOWN; lcd->power = FB_BLANK_POWERDOWN;
return ams369fg06_power(lcd, FB_BLANK_UNBLANK); return ams369fg06_power(lcd, FB_BLANK_UNBLANK);
} }
#else
#define ams369fg06_suspend NULL
#define ams369fg06_resume NULL
#endif #endif
static SIMPLE_DEV_PM_OPS(ams369fg06_pm_ops, ams369fg06_suspend,
ams369fg06_resume);
static void ams369fg06_shutdown(struct spi_device *spi) static void ams369fg06_shutdown(struct spi_device *spi)
{ {
struct ams369fg06 *lcd = spi_get_drvdata(spi); struct ams369fg06 *lcd = spi_get_drvdata(spi);
@@ -571,12 +571,11 @@ static struct spi_driver ams369fg06_driver = {
.driver = { .driver = {
.name = "ams369fg06", .name = "ams369fg06",
.owner = THIS_MODULE, .owner = THIS_MODULE,
.pm = &ams369fg06_pm_ops,
}, },
.probe = ams369fg06_probe, .probe = ams369fg06_probe,
.remove = ams369fg06_remove, .remove = ams369fg06_remove,
.shutdown = ams369fg06_shutdown, .shutdown = ams369fg06_shutdown,
.suspend = ams369fg06_suspend,
.resume = ams369fg06_resume,
}; };
module_spi_driver(ams369fg06_driver); module_spi_driver(ams369fg06_driver);