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path: root/drivers/video/backlight/generic_bl.c
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Diffstat (limited to 'drivers/video/backlight/generic_bl.c')
-rw-r--r--drivers/video/backlight/generic_bl.c34
1 files changed, 11 insertions, 23 deletions
diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c
index 312ca619735..5d8d65200db 100644
--- a/drivers/video/backlight/generic_bl.c
+++ b/drivers/video/backlight/generic_bl.c
@@ -56,7 +56,7 @@ static int genericbl_get_intensity(struct backlight_device *bd)
* Called when the battery is low to limit the backlight intensity.
* If limit==0 clear any limit, otherwise limit the intensity
*/
-void corgibl_limit_intensity(int limit)
+void genericbl_limit_intensity(int limit)
{
struct backlight_device *bd = generic_backlight_device;
@@ -68,7 +68,7 @@ void corgibl_limit_intensity(int limit)
backlight_update_status(generic_backlight_device);
mutex_unlock(&bd->ops_lock);
}
-EXPORT_SYMBOL(corgibl_limit_intensity);
+EXPORT_SYMBOL(genericbl_limit_intensity);
static const struct backlight_ops genericbl_ops = {
.options = BL_CORE_SUSPENDRESUME,
@@ -79,7 +79,7 @@ static const struct backlight_ops genericbl_ops = {
static int genericbl_probe(struct platform_device *pdev)
{
struct backlight_properties props;
- struct generic_bl_info *machinfo = pdev->dev.platform_data;
+ struct generic_bl_info *machinfo = dev_get_platdata(&pdev->dev);
const char *name = "generic-bl";
struct backlight_device *bd;
@@ -91,11 +91,12 @@ static int genericbl_probe(struct platform_device *pdev)
name = machinfo->name;
memset(&props, 0, sizeof(struct backlight_properties));
+ props.type = BACKLIGHT_RAW;
props.max_brightness = machinfo->max_intensity;
- bd = backlight_device_register(name, &pdev->dev, NULL, &genericbl_ops,
- &props);
- if (IS_ERR (bd))
- return PTR_ERR (bd);
+ bd = devm_backlight_device_register(&pdev->dev, name, &pdev->dev,
+ NULL, &genericbl_ops, &props);
+ if (IS_ERR(bd))
+ return PTR_ERR(bd);
platform_set_drvdata(pdev, bd);
@@ -105,7 +106,7 @@ static int genericbl_probe(struct platform_device *pdev)
generic_backlight_device = bd;
- printk("Generic Backlight Driver Initialized.\n");
+ dev_info(&pdev->dev, "Generic Backlight Driver Initialized.\n");
return 0;
}
@@ -117,9 +118,7 @@ static int genericbl_remove(struct platform_device *pdev)
bd->props.brightness = 0;
backlight_update_status(bd);
- backlight_device_unregister(bd);
-
- printk("Generic Backlight Driver Unloaded\n");
+ dev_info(&pdev->dev, "Generic Backlight Driver Unloaded\n");
return 0;
}
@@ -131,18 +130,7 @@ static struct platform_driver genericbl_driver = {
},
};
-static int __init genericbl_init(void)
-{
- return platform_driver_register(&genericbl_driver);
-}
-
-static void __exit genericbl_exit(void)
-{
- platform_driver_unregister(&genericbl_driver);
-}
-
-module_init(genericbl_init);
-module_exit(genericbl_exit);
+module_platform_driver(genericbl_driver);
MODULE_AUTHOR("Richard Purdie <rpurdie@rpsys.net>");
MODULE_DESCRIPTION("Generic Backlight Driver");