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* [PATCH 01/14] backlight: ld9040: convert ld9040 to dev_pm_ops
@ 2013-03-12  5:48 Jingoo Han
  2013-03-12  5:49 ` [PATCH 02/14] backlight: lms501kf03: convert lms501kf03 " Jingoo Han
                   ` (12 more replies)
  0 siblings, 13 replies; 14+ messages in thread
From: Jingoo Han @ 2013-03-12  5:48 UTC (permalink / raw)
  To: 'Andrew Morton'
  Cc: 'LKML', 'Richard Purdie', 'Jingoo Han'

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>
---
 drivers/video/backlight/ld9040.c |   20 +++++++++-----------
 1 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/video/backlight/ld9040.c b/drivers/video/backlight/ld9040.c
index 1b642f5f..1e0a309 100644
--- a/drivers/video/backlight/ld9040.c
+++ b/drivers/video/backlight/ld9040.c
@@ -775,12 +775,12 @@ static int ld9040_remove(struct spi_device *spi)
 	return 0;
 }
 
-#if defined(CONFIG_PM)
-static int ld9040_suspend(struct spi_device *spi, pm_message_t mesg)
+#ifdef CONFIG_PM_SLEEP
+static int ld9040_suspend(struct device *dev)
 {
-	struct ld9040 *lcd = spi_get_drvdata(spi);
+	struct ld9040 *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
@@ -789,19 +789,18 @@ static int ld9040_suspend(struct spi_device *spi, pm_message_t mesg)
 	return ld9040_power(lcd, FB_BLANK_POWERDOWN);
 }
 
-static int ld9040_resume(struct spi_device *spi)
+static int ld9040_resume(struct device *dev)
 {
-	struct ld9040 *lcd = spi_get_drvdata(spi);
+	struct ld9040 *lcd = dev_get_drvdata(dev);
 
 	lcd->power = FB_BLANK_POWERDOWN;
 
 	return ld9040_power(lcd, FB_BLANK_UNBLANK);
 }
-#else
-#define ld9040_suspend		NULL
-#define ld9040_resume		NULL
 #endif
 
+static SIMPLE_DEV_PM_OPS(ld9040_pm_ops, ld9040_suspend, ld9040_resume);
+
 /* Power down all displays on reboot, poweroff or halt. */
 static void ld9040_shutdown(struct spi_device *spi)
 {
@@ -814,12 +813,11 @@ static struct spi_driver ld9040_driver = {
 	.driver = {
 		.name	= "ld9040",
 		.owner	= THIS_MODULE,
+		.pm	= &ld9040_pm_ops,
 	},
 	.probe		= ld9040_probe,
 	.remove		= ld9040_remove,
 	.shutdown	= ld9040_shutdown,
-	.suspend	= ld9040_suspend,
-	.resume		= ld9040_resume,
 };
 
 module_spi_driver(ld9040_driver);
-- 
1.7.2.5



^ permalink raw reply	[flat|nested] 14+ messages in thread
end of thread, other threads:[~2013-03-12  5:53 UTC | newest]

Thread overview: 14+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-03-12  5:48 [PATCH 01/14] backlight: ld9040: convert ld9040 to dev_pm_ops Jingoo Han
2013-03-12  5:49 ` [PATCH 02/14] backlight: lms501kf03: convert lms501kf03 " Jingoo Han
2013-03-12  5:49 ` [PATCH 03/14] backlight: s6e63m0: convert s6e63m0 " Jingoo Han
2013-03-12  5:50 ` [PATCH 04/14] backlight: adp5520: convert adp5520_bl " Jingoo Han
2013-03-12  5:50 ` [PATCH 05/14] backlight: adp8860: convert adp8860 " Jingoo Han
2013-03-12  5:50 ` [PATCH 06/14] backlight: adp8870: convert adp8870 " Jingoo Han
2013-03-12  5:51 ` [PATCH 07/14] backlight: corgi_lcd: convert corgi_lcd " Jingoo Han
2013-03-12  5:51 ` [PATCH 08/14] backlight: ep93xx: convert ep93xx " Jingoo Han
2013-03-12  5:52 ` [PATCH 09/14] backlight: hp680_bl: convert hp680bl " Jingoo Han
2013-03-12  5:52 ` [PATCH 10/14] backlight: kb3886_bl: convert kb3886bl " Jingoo Han
2013-03-12  5:52 ` [PATCH 11/14] backlight: lm3533_bl: convert lm3533_bl " Jingoo Han
2013-03-12  5:53 ` [PATCH 12/14] backlight: locomolcd: convert locomolcd " Jingoo Han
2013-03-12  5:53 ` [PATCH 13/14] backlight: ltv350qv: convert ltv350qv " Jingoo Han
2013-03-12  5:53 ` [PATCH 14/14] backlight: tdo24m: convert tdo24m " Jingoo Han

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