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authorJingoo Han <jg1.han@samsung.com>2013-04-29 16:17:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 18:28:17 -0700
commit3e14e689496a36cfa4d034cb4fcf98deee363d7c (patch)
tree4e2fe5cb213c6cf8edae47351675cac040633967
parenta71ed77b3ac5bb6ce3515fa9d0b9ad2c84919a2c (diff)
downloadblackbird-op-linux-3e14e689496a36cfa4d034cb4fcf98deee363d7c.tar.gz
blackbird-op-linux-3e14e689496a36cfa4d034cb4fcf98deee363d7c.zip
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.c18
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);
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