diff options
| author | Matthew Garrett <mjg@redhat.com> | 2010-02-18 00:39:44 +0300 |
|---|---|---|
| committer | Richard Purdie <rpurdie@linux.intel.com> | 2010-03-16 22:47:54 +0300 |
| commit | a19a6ee6cad2b20292a774c2f56ba8039b0fac9c (patch) | |
| tree | 631916ce6181336c5c28eb0cf5484c40c92986b6 /drivers/video/aty/atyfb_base.c | |
| parent | 57e148b6a975980944f4466ccb669b1d02dfc6a1 (diff) | |
| download | linux-a19a6ee6cad2b20292a774c2f56ba8039b0fac9c.tar.xz | |
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/aty/atyfb_base.c')
| -rw-r--r-- | drivers/video/aty/atyfb_base.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index e45ab8db2ddc..29d72851f85b 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -2232,6 +2232,7 @@ static struct backlight_ops aty_bl_data = { static void aty_bl_init(struct atyfb_par *par) { + struct backlight_properties props; struct fb_info *info = pci_get_drvdata(par->pdev); struct backlight_device *bd; char name[12]; @@ -2243,7 +2244,10 @@ static void aty_bl_init(struct atyfb_par *par) snprintf(name, sizeof(name), "atybl%d", info->node); - bd = backlight_device_register(name, info->dev, par, &aty_bl_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, info->dev, par, &aty_bl_data, + &props); if (IS_ERR(bd)) { info->bl_dev = NULL; printk(KERN_WARNING "aty: Backlight registration failed\n"); @@ -2255,7 +2259,6 @@ static void aty_bl_init(struct atyfb_par *par) 0x3F * FB_BACKLIGHT_MAX / MAX_LEVEL, 0xFF * FB_BACKLIGHT_MAX / MAX_LEVEL); - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; bd->props.brightness = bd->props.max_brightness; bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); |