drivers-platform-x86: use acpi_video_dmi_promote_vendor()
Instead of using directly acpi_video_unregister(), use
acpi_video_dmi_promote_vendor() (and make it call
acpi_video_unregister() if needed)
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 175809d..377d92d 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -2191,14 +2191,16 @@
set_quirks();
+ if (dmi_check_system(video_vendor_dmi_table))
+ acpi_video_dmi_promote_vendor();
if (acpi_video_backlight_support()) {
- if (dmi_check_system(video_vendor_dmi_table)) {
- acpi_video_unregister();
- } else {
- interface->capability &= ~ACER_CAP_BRIGHTNESS;
- pr_info("Brightness must be controlled by "
- "acpi video driver\n");
- }
+ interface->capability &= ~ACER_CAP_BRIGHTNESS;
+ pr_info("Brightness must be controlled by acpi video driver\n");
+ } else {
+#ifdef CONFIG_ACPI_VIDEO
+ pr_info("Disabling ACPI video driver\n");
+ acpi_video_unregister();
+#endif
}
if (wmi_has_guid(WMID_GUID3)) {