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authorRichard Purdie <rpurdie@rpsys.net>2007-02-08 00:32:14 +0000
committerRichard Purdie <rpurdie@rpsys.net>2007-02-20 08:38:44 +0000
commitda7a747125ff80e13c00b231602e7c86b6bb8741 (patch)
tree57a323187590c8158421309ae277a6e96539d8a0 /drivers
parent90968e8ebc4611896ff7f2ef0c0bf8455e845cd1 (diff)
backlight: Minor code cleanups for corgi_bl.c
Since people use this code as an example, clean it up to to use platform_*_drvdata and remove an unneeded function. Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/backlight/corgi_bl.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/video/backlight/corgi_bl.c b/drivers/video/backlight/corgi_bl.c
index 4ca24e26157..c1eba0e8a1b 100644
--- a/drivers/video/backlight/corgi_bl.c
+++ b/drivers/video/backlight/corgi_bl.c
@@ -61,17 +61,21 @@ static int corgibl_send_intensity(struct backlight_device *bd)
}
#ifdef CONFIG_PM
-static int corgibl_suspend(struct platform_device *dev, pm_message_t state)
+static int corgibl_suspend(struct platform_device *pdev, pm_message_t state)
{
+ struct backlight_device *bd = platform_get_drvdata(pdev);
+
corgibl_flags |= CORGIBL_SUSPENDED;
- corgibl_send_intensity(corgi_backlight_device);
+ corgibl_send_intensity(bd);
return 0;
}
-static int corgibl_resume(struct platform_device *dev)
+static int corgibl_resume(struct platform_device *pdev)
{
+ struct backlight_device *bd = platform_get_drvdata(pdev);
+
corgibl_flags &= ~CORGIBL_SUSPENDED;
- corgibl_send_intensity(corgi_backlight_device);
+ corgibl_send_intensity(bd);
return 0;
}
#else
@@ -84,12 +88,6 @@ static int corgibl_get_intensity(struct backlight_device *bd)
return corgibl_intensity;
}
-static int corgibl_set_intensity(struct backlight_device *bd)
-{
- corgibl_send_intensity(corgi_backlight_device);
- return 0;
-}
-
/*
* Called when the battery is low to limit the backlight intensity.
* If limit==0 clear any limit, otherwise limit the intensity
@@ -107,7 +105,7 @@ EXPORT_SYMBOL(corgibl_limit_intensity);
static struct backlight_properties corgibl_data = {
.get_brightness = corgibl_get_intensity,
- .update_status = corgibl_set_intensity,
+ .update_status = corgibl_send_intensity,
};
static int corgibl_probe(struct platform_device *pdev)
@@ -124,6 +122,8 @@ static int corgibl_probe(struct platform_device *pdev)
if (IS_ERR (corgi_backlight_device))
return PTR_ERR (corgi_backlight_device);
+ platform_set_drvdata(pdev, corgi_backlight_device);
+
corgibl_data.power = FB_BLANK_UNBLANK;
corgibl_data.brightness = machinfo->default_intensity;
corgibl_send_intensity(corgi_backlight_device);
@@ -132,13 +132,15 @@ static int corgibl_probe(struct platform_device *pdev)
return 0;
}
-static int corgibl_remove(struct platform_device *dev)
+static int corgibl_remove(struct platform_device *pdev)
{
+ struct backlight_device *bd = platform_get_drvdata(pdev);
+
corgibl_data.power = 0;
corgibl_data.brightness = 0;
- corgibl_send_intensity(corgi_backlight_device);
+ corgibl_send_intensity(bd);
- backlight_device_unregister(corgi_backlight_device);
+ backlight_device_unregister(bd);
printk("Corgi Backlight Driver Unloaded\n");
return 0;