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| author | Matthew Garrett <mjg@redhat.com> | 2010-02-17 16:39:44 -0500 |
|---|---|---|
| committer | Richard Purdie <rpurdie@linux.intel.com> | 2010-03-16 19:47:54 +0000 |
| commit | a19a6ee6cad2b20292a774c2f56ba8039b0fac9c (patch) | |
| tree | 631916ce6181336c5c28eb0cf5484c40c92986b6 /drivers/platform/x86/asus-laptop.c | |
| parent | 57e148b6a975980944f4466ccb669b1d02dfc6a1 (diff) | |
| download | kernel_samsung_smdk4412-a19a6ee6cad2b20292a774c2f56ba8039b0fac9c.zip kernel_samsung_smdk4412-a19a6ee6cad2b20292a774c2f56ba8039b0fac9c.tar.gz kernel_samsung_smdk4412-a19a6ee6cad2b20292a774c2f56ba8039b0fac9c.tar.bz2 | |
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/asus-laptop.c')
| -rw-r--r-- | drivers/platform/x86/asus-laptop.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 791fcf3..db5f7db 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -639,12 +639,16 @@ static int asus_backlight_init(struct asus_laptop *asus) { struct backlight_device *bd; struct device *dev = &asus->platform_device->dev; + struct backlight_properties props; if (!acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) && !acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) && lcd_switch_handle) { + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 15; + bd = backlight_device_register(ASUS_LAPTOP_FILE, dev, - asus, &asusbl_ops); + asus, &asusbl_ops, &props); if (IS_ERR(bd)) { pr_err("Could not register asus backlight device\n"); asus->backlight_device = NULL; @@ -653,7 +657,6 @@ static int asus_backlight_init(struct asus_laptop *asus) asus->backlight_device = bd; - bd->props.max_brightness = 15; bd->props.power = FB_BLANK_UNBLANK; bd->props.brightness = asus_read_brightness(bd); backlight_update_status(bd); |