diff options
| author | Matthew Garrett <mjg@redhat.com> | 2010-02-17 22:39:44 +0100 |
|---|---|---|
| committer | Richard Purdie <rpurdie@linux.intel.com> | 2010-03-16 20:47:54 +0100 |
| commit | a19a6ee6cad2b20292a774c2f56ba8039b0fac9c (patch) | |
| tree | 631916ce6181336c5c28eb0cf5484c40c92986b6 /drivers/video/backlight/generic_bl.c | |
| parent | backlight: Add backlight_device parameter to check_fb (diff) | |
| download | linux-a19a6ee6cad2b20292a774c2f56ba8039b0fac9c.tar.xz linux-a19a6ee6cad2b20292a774c2f56ba8039b0fac9c.zip | |
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/video/backlight/generic_bl.c')
| -rw-r--r-- | drivers/video/backlight/generic_bl.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c index e6d348e63596..312ca619735d 100644 --- a/drivers/video/backlight/generic_bl.c +++ b/drivers/video/backlight/generic_bl.c @@ -78,6 +78,7 @@ 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; const char *name = "generic-bl"; struct backlight_device *bd; @@ -89,14 +90,15 @@ static int genericbl_probe(struct platform_device *pdev) if (machinfo->name) name = machinfo->name; - bd = backlight_device_register (name, - &pdev->dev, NULL, &genericbl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + 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); platform_set_drvdata(pdev, bd); - bd->props.max_brightness = machinfo->max_intensity; bd->props.power = FB_BLANK_UNBLANK; bd->props.brightness = machinfo->default_intensity; backlight_update_status(bd); |