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backlight: vgg2432a4: convert vgg2432a4_driver 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. Also, use of
pm_message_t is deprecated. Thus, it is removed.

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 16:18:01 -07:00 committed by Linus Torvalds
parent 1dde37d457
commit eb39ad2558
3 changed files with 18 additions and 26 deletions
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24
drivers/video/backlight/ili9320.c
View file

@ -270,27 +270,21 @@ int ili9320_remove(struct ili9320 *ili)
}
EXPORT_SYMBOL_GPL(ili9320_remove);
#ifdef CONFIG_PM
int ili9320_suspend(struct ili9320 *lcd, pm_message_t state)
#ifdef CONFIG_PM_SLEEP
int ili9320_suspend(struct ili9320 *lcd)
{
int ret;
dev_dbg(lcd->dev, "%s: event %d\n", __func__, state.event);
ret = ili9320_power(lcd, FB_BLANK_POWERDOWN);
if (state.event == PM_EVENT_SUSPEND) {
ret = ili9320_power(lcd, FB_BLANK_POWERDOWN);
if (lcd->platdata->suspend == ILI9320_SUSPEND_DEEP) {
ili9320_write(lcd, ILI9320_POWER1, lcd->power1 |
ILI9320_POWER1_SLP |
ILI9320_POWER1_DSTB);
lcd->initialised = 0;
}
return ret;
if (lcd->platdata->suspend == ILI9320_SUSPEND_DEEP) {
ili9320_write(lcd, ILI9320_POWER1, lcd->power1 |
ILI9320_POWER1_SLP |
ILI9320_POWER1_DSTB);
lcd->initialised = 0;
}
return 0;
return ret;
}
EXPORT_SYMBOL_GPL(ili9320_suspend);

2
drivers/video/backlight/ili9320.h
View file

@ -76,5 +76,5 @@ extern void ili9320_shutdown(struct ili9320 *lcd);
/* PM */
extern int ili9320_suspend(struct ili9320 *lcd, pm_message_t state);
extern int ili9320_suspend(struct ili9320 *lcd);
extern int ili9320_resume(struct ili9320 *lcd);

18
drivers/video/backlight/vgg2432a4.c
View file

@ -205,18 +205,15 @@ static int vgg2432a4_lcd_init(struct ili9320 *lcd,
return ret;
}
#ifdef CONFIG_PM
static int vgg2432a4_suspend(struct spi_device *spi, pm_message_t state)
#ifdef CONFIG_PM_SLEEP
static int vgg2432a4_suspend(struct device *dev)
{
return ili9320_suspend(spi_get_drvdata(spi), state);
return ili9320_suspend(dev_get_drvdata(dev));
}
static int vgg2432a4_resume(struct spi_device *spi)
static int vgg2432a4_resume(struct device *dev)
{
return ili9320_resume(spi_get_drvdata(spi));
return ili9320_resume(dev_get_drvdata(dev));
}
#else
#define vgg2432a4_suspend NULL
#define vgg2432a4_resume NULL
#endif
static struct ili9320_client vgg2432a4_client = {
@ -249,16 +246,17 @@ static void vgg2432a4_shutdown(struct spi_device *spi)
ili9320_shutdown(spi_get_drvdata(spi));
}
static SIMPLE_DEV_PM_OPS(vgg2432a4_pm_ops, vgg2432a4_suspend, vgg2432a4_resume);
static struct spi_driver vgg2432a4_driver = {
.driver = {
.name = "VGG2432A4",
.owner = THIS_MODULE,
.pm = &vgg2432a4_pm_ops,
},
.probe = vgg2432a4_probe,
.remove = vgg2432a4_remove,
.shutdown = vgg2432a4_shutdown,
.suspend = vgg2432a4_suspend,
.resume = vgg2432a4_resume,
};
module_spi_driver(vgg2432a4_driver);