diff options
| -rw-r--r-- | drivers/acpi/video_detect.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 0f9586b7f3d1..d00c0f4f5def 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -183,6 +183,9 @@ EXPORT_SYMBOL(acpi_video_get_backlight_type); void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type) { acpi_backlight_dmi = type; + /* Remove acpi-video backlight interface if it is no longer desired */ + if (acpi_video_get_backlight_type() != acpi_backlight_video) + acpi_video_unregister_backlight(); } EXPORT_SYMBOL(acpi_video_set_dmi_backlight_type); |