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/backlight/kb3886_bl.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/backlight/kb3886_bl.c')
| -rw-r--r-- | drivers/video/backlight/kb3886_bl.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c index 939e7b830cf3..f439a8632287 100644 --- a/drivers/video/backlight/kb3886_bl.c +++ b/drivers/video/backlight/kb3886_bl.c @@ -141,20 +141,24 @@ static const struct backlight_ops kb3886bl_ops = { static int kb3886bl_probe(struct platform_device *pdev) { + struct backlight_properties props; struct kb3886bl_machinfo *machinfo = pdev->dev.platform_data; bl_machinfo = machinfo; if (!machinfo->limit_mask) machinfo->limit_mask = -1; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = machinfo->max_intensity; kb3886_backlight_device = backlight_device_register("kb3886-bl", - &pdev->dev, NULL, &kb3886bl_ops); + &pdev->dev, NULL, + &kb3886bl_ops, + &props); if (IS_ERR(kb3886_backlight_device)) return PTR_ERR(kb3886_backlight_device); platform_set_drvdata(pdev, kb3886_backlight_device); - kb3886_backlight_device->props.max_brightness = machinfo->max_intensity; kb3886_backlight_device->props.power = FB_BLANK_UNBLANK; kb3886_backlight_device->props.brightness = machinfo->default_intensity; backlight_update_status(kb3886_backlight_device); |