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authorMatthew Garrett <mjg@redhat.com>2010-02-17 16:39:44 -0500
committerRichard Purdie <rpurdie@linux.intel.com>2010-03-16 19:47:54 +0000
commita19a6ee6cad2b20292a774c2f56ba8039b0fac9c (patch)
tree631916ce6181336c5c28eb0cf5484c40c92986b6 /drivers/platform/x86/dell-laptop.c
parent57e148b6a975980944f4466ccb669b1d02dfc6a1 (diff)
backlight: Allow properties to be passed at registration
Values such as max_brightness should be set before backlights are registered, but the current API doesn't allow that. Add a parameter to backlight_device_register and update drivers to ensure that they set this correctly. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'drivers/platform/x86/dell-laptop.c')
-rw-r--r--drivers/platform/x86/dell-laptop.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index ef614979afe9..46435ac4684f 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -559,10 +559,14 @@ static int __init dell_init(void)
release_buffer();
if (max_intensity) {
- dell_backlight_device = backlight_device_register(
- "dell_backlight",
- &platform_device->dev, NULL,
- &dell_ops);
+ struct backlight_properties props;
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.max_brightness = max_intensity;
+ dell_backlight_device = backlight_device_register("dell_backlight",
+ &platform_device->dev,
+ NULL,
+ &dell_ops,
+ &props);
if (IS_ERR(dell_backlight_device)) {
ret = PTR_ERR(dell_backlight_device);
@@ -570,7 +574,6 @@ static int __init dell_init(void)
goto fail_backlight;
}
- dell_backlight_device->props.max_brightness = max_intensity;
dell_backlight_device->props.brightness =
dell_get_intensity(dell_backlight_device);
backlight_update_status(dell_backlight_device);