diff options
| author | Jiri Kosina <jkosina@suse.com> | 2025-07-31 22:36:25 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.com> | 2025-07-31 22:36:25 +0200 |
| commit | e9ef810dfee7a2227da9d423aecb0ced35faddbe (patch) | |
| tree | 52befbbbeacbd9340f90884dee840be3f492d3e1 /drivers/video/fbdev/core/fb_backlight.c | |
| parent | selftests/hid: add a test case for the recent syzbot underflow (diff) | |
| parent | HID: amd_sfh: Enable operating mode (diff) | |
| download | linux-e9ef810dfee7a2227da9d423aecb0ced35faddbe.tar.gz linux-e9ef810dfee7a2227da9d423aecb0ced35faddbe.zip | |
Merge branch 'for-6.17/amd-sfh' into for-linus
- add support for operating modes (Basavaraj Natikar)
Diffstat (limited to 'drivers/video/fbdev/core/fb_backlight.c')
| -rw-r--r-- | drivers/video/fbdev/core/fb_backlight.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/video/fbdev/core/fb_backlight.c b/drivers/video/fbdev/core/fb_backlight.c index 6fdaa9f81be9..dbed9696f4c5 100644 --- a/drivers/video/fbdev/core/fb_backlight.c +++ b/drivers/video/fbdev/core/fb_backlight.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-or-later +#include <linux/backlight.h> #include <linux/export.h> #include <linux/fb.h> #include <linux/mutex.h> @@ -36,4 +37,15 @@ struct backlight_device *fb_bl_device(struct fb_info *info) return info->bl_dev; } EXPORT_SYMBOL(fb_bl_device); + +void fb_bl_notify_blank(struct fb_info *info, int old_blank) +{ + bool on = info->blank == FB_BLANK_UNBLANK; + bool prev_on = old_blank == FB_BLANK_UNBLANK; + + if (info->bl_dev) + backlight_notify_blank(info->bl_dev, info->device, on, prev_on); + else + backlight_notify_blank_all(info->device, on, prev_on); +} #endif |