[PATCH RESEND 1/3] backlight: omap1: convert omapbl to dev_pm_ops

From: Jingoo Han
Date: Tue Apr 16 2013 - 21:03:07 EST


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@xxxxxxxxxxx>
---
drivers/video/backlight/omap1_bl.c | 22 ++++++++++------------
1 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c
index 0aed176..812e22e 100644
--- a/drivers/video/backlight/omap1_bl.c
+++ b/drivers/video/backlight/omap1_bl.c
@@ -71,27 +71,24 @@ static void omapbl_blank(struct omap_backlight *bl, int mode)
}
}

-#ifdef CONFIG_PM
-static int omapbl_suspend(struct platform_device *pdev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int omapbl_suspend(struct device *dev)
{
- struct backlight_device *dev = platform_get_drvdata(pdev);
- struct omap_backlight *bl = bl_get_data(dev);
+ struct backlight_device *bl_dev = dev_get_drvdata(dev);
+ struct omap_backlight *bl = bl_get_data(bl_dev);

omapbl_blank(bl, FB_BLANK_POWERDOWN);
return 0;
}

-static int omapbl_resume(struct platform_device *pdev)
+static int omapbl_resume(struct device *dev)
{
- struct backlight_device *dev = platform_get_drvdata(pdev);
- struct omap_backlight *bl = bl_get_data(dev);
+ struct backlight_device *bl_dev = dev_get_drvdata(dev);
+ struct omap_backlight *bl = bl_get_data(bl_dev);

omapbl_blank(bl, bl->powermode);
return 0;
}
-#else
-#define omapbl_suspend NULL
-#define omapbl_resume NULL
#endif

static int omapbl_set_power(struct backlight_device *dev, int state)
@@ -182,13 +179,14 @@ static int omapbl_remove(struct platform_device *pdev)
return 0;
}

+static SIMPLE_DEV_PM_OPS(omapbl_pm_ops, omapbl_suspend, omapbl_resume);
+
static struct platform_driver omapbl_driver = {
.probe = omapbl_probe,
.remove = omapbl_remove,
- .suspend = omapbl_suspend,
- .resume = omapbl_resume,
.driver = {
.name = "omap-bl",
+ .pm = &omapbl_pm_ops,
},
};

--
1.7.2.5


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/