diff options
| 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/macintosh | |
| parent | backlight: Add backlight_device parameter to check_fb (diff) | |
| download | linux-dev-a19a6ee6cad2b20292a774c2f56ba8039b0fac9c.tar.xz linux-dev-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/macintosh')
| -rw-r--r-- | drivers/macintosh/via-pmu-backlight.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c index 4f3c4479c16a..1cec02f6c431 100644 --- a/drivers/macintosh/via-pmu-backlight.c +++ b/drivers/macintosh/via-pmu-backlight.c @@ -144,6 +144,7 @@ void pmu_backlight_set_sleep(int sleep) void __init pmu_backlight_init() { + struct backlight_properties props; struct backlight_device *bd; char name[10]; int level, autosave; @@ -161,13 +162,15 @@ void __init pmu_backlight_init() snprintf(name, sizeof(name), "pmubl"); - bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data, + &props); if (IS_ERR(bd)) { printk(KERN_ERR "PMU Backlight registration failed\n"); return; } uses_pmu_bl = 1; - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; pmu_backlight_init_curve(0x7F, 0x46, 0x0E); level = bd->props.max_brightness; |