commit a71ed77b3ac5bb6ce3515fa9d0b9ad2c84919a2c
author Jingoo Han <jg1.han@samsung.com> Mon Apr 29 16:17:46 2013 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> Mon Apr 29 18:28:17 2013 -0700
tree ef941486c6cde9e71e60981a45ce4cea31518673
parent 5a3778e2f57e5fb1f6e060586f5850dd87b5320f

backlight: ltv350qv: convert ltv350qv 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>

drivers/video/backlight/ltv350qv.c

diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c
index c0b4b8f..ed1b392 100644
--- a/drivers/video/backlight/ltv350qv.c
+++ b/drivers/video/backlight/ltv350qv.c
@@ -271,25 +271,24 @@
 	return 0;
 }
 
-#ifdef CONFIG_PM
-static int ltv350qv_suspend(struct spi_device *spi, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int ltv350qv_suspend(struct device *dev)
 {
-	struct ltv350qv *lcd = spi_get_drvdata(spi);
+	struct ltv350qv *lcd = dev_get_drvdata(dev);
 
 	return ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
 }
 
-static int ltv350qv_resume(struct spi_device *spi)
+static int ltv350qv_resume(struct device *dev)
 {
-	struct ltv350qv *lcd = spi_get_drvdata(spi);
+	struct ltv350qv *lcd = dev_get_drvdata(dev);
 
 	return ltv350qv_power(lcd, FB_BLANK_UNBLANK);
 }
-#else
-#define ltv350qv_suspend	NULL
-#define ltv350qv_resume		NULL
 #endif
 
+static SIMPLE_DEV_PM_OPS(ltv350qv_pm_ops, ltv350qv_suspend, ltv350qv_resume);
+
 /* Power down all displays on reboot, poweroff or halt */
 static void ltv350qv_shutdown(struct spi_device *spi)
 {
@@ -302,13 +301,12 @@
 	.driver = {
 		.name		= "ltv350qv",
 		.owner		= THIS_MODULE,
+		.pm		= &ltv350qv_pm_ops,
 	},
 
 	.probe		= ltv350qv_probe,
 	.remove		= ltv350qv_remove,
 	.shutdown	= ltv350qv_shutdown,
-	.suspend	= ltv350qv_suspend,
-	.resume		= ltv350qv_resume,
 };
 
 module_spi_driver(ltv350qv_driver);