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| author | Jingoo Han <jg1.han@samsung.com> | 2013-04-29 16:17:47 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 18:28:17 -0700 |
| commit | 3e14e689496a36cfa4d034cb4fcf98deee363d7c (patch) | |
| tree | 4e2fe5cb213c6cf8edae47351675cac040633967 | |
| parent | a71ed77b3ac5bb6ce3515fa9d0b9ad2c84919a2c (diff) | |
| download | linux-3e14e689496a36cfa4d034cb4fcf98deee363d7c.tar.bz2 | |
backlight: tdo24m: convert tdo24m 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>
| -rw-r--r-- | drivers/video/backlight/tdo24m.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/video/backlight/tdo24m.c b/drivers/video/backlight/tdo24m.c index 00162085eec0..18cdf466d50a 100644 --- a/drivers/video/backlight/tdo24m.c +++ b/drivers/video/backlight/tdo24m.c @@ -412,25 +412,24 @@ static int tdo24m_remove(struct spi_device *spi) return 0; } -#ifdef CONFIG_PM -static int tdo24m_suspend(struct spi_device *spi, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int tdo24m_suspend(struct device *dev) { - struct tdo24m *lcd = spi_get_drvdata(spi); + struct tdo24m *lcd = dev_get_drvdata(dev); return tdo24m_power(lcd, FB_BLANK_POWERDOWN); } -static int tdo24m_resume(struct spi_device *spi) +static int tdo24m_resume(struct device *dev) { - struct tdo24m *lcd = spi_get_drvdata(spi); + struct tdo24m *lcd = dev_get_drvdata(dev); return tdo24m_power(lcd, FB_BLANK_UNBLANK); } -#else -#define tdo24m_suspend NULL -#define tdo24m_resume NULL #endif +static SIMPLE_DEV_PM_OPS(tdo24m_pm_ops, tdo24m_suspend, tdo24m_resume); + /* Power down all displays on reboot, poweroff or halt */ static void tdo24m_shutdown(struct spi_device *spi) { @@ -443,12 +442,11 @@ static struct spi_driver tdo24m_driver = { .driver = { .name = "tdo24m", .owner = THIS_MODULE, + .pm = &tdo24m_pm_ops, }, .probe = tdo24m_probe, .remove = tdo24m_remove, .shutdown = tdo24m_shutdown, - .suspend = tdo24m_suspend, - .resume = tdo24m_resume, }; module_spi_driver(tdo24m_driver); |