lkml.org 
[lkml]   [2013]   [Mar]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 09/14] backlight: hp680_bl: convert hp680bl to dev_pm_ops
Date
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/hp680_bl.c | 18 ++++++++----------
1 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c
index 5cefd73..00076ec 100644
--- a/drivers/video/backlight/hp680_bl.c
+++ b/drivers/video/backlight/hp680_bl.c
@@ -64,29 +64,28 @@ static void hp680bl_send_intensity(struct backlight_device *bd)
}


-#ifdef CONFIG_PM
-static int hp680bl_suspend(struct platform_device *pdev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int hp680bl_suspend(struct device *dev)
{
- struct backlight_device *bd = platform_get_drvdata(pdev);
+ struct backlight_device *bd = dev_get_drvdata(dev);

hp680bl_suspended = 1;
hp680bl_send_intensity(bd);
return 0;
}

-static int hp680bl_resume(struct platform_device *pdev)
+static int hp680bl_resume(struct device *dev)
{
- struct backlight_device *bd = platform_get_drvdata(pdev);
+ struct backlight_device *bd = dev_get_drvdata(dev);

hp680bl_suspended = 0;
hp680bl_send_intensity(bd);
return 0;
}
-#else
-#define hp680bl_suspend NULL
-#define hp680bl_resume NULL
#endif

+static SIMPLE_DEV_PM_OPS(hp680bl_pm_ops, hp680bl_suspend, hp680bl_resume);
+
static int hp680bl_set_intensity(struct backlight_device *bd)
{
hp680bl_send_intensity(bd);
@@ -140,10 +139,9 @@ static int hp680bl_remove(struct platform_device *pdev)
static struct platform_driver hp680bl_driver = {
.probe = hp680bl_probe,
.remove = hp680bl_remove,
- .suspend = hp680bl_suspend,
- .resume = hp680bl_resume,
.driver = {
.name = "hp680-bl",
+ .pm = &hp680bl_pm_ops,
},
};

--
1.7.2.5



\
 
 \ /
  Last update: 2013-03-13 00:41    [W:0.130 / U:0.476 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site