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Diffstat (limited to 'include/acpi/video.h')
-rw-r--r--include/acpi/video.h21
1 files changed, 17 insertions, 4 deletions
diff --git a/include/acpi/video.h b/include/acpi/video.h
index 843ef1adfbfa..a7d7f1043e9c 100644
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -16,23 +16,36 @@ struct acpi_device;
#define ACPI_VIDEO_DISPLAY_LEGACY_PANEL 0x0110
#define ACPI_VIDEO_DISPLAY_LEGACY_TV 0x0200
+enum acpi_backlight_type {
+ acpi_backlight_undef = -1,
+ acpi_backlight_none = 0,
+ acpi_backlight_video,
+ acpi_backlight_vendor,
+ acpi_backlight_native,
+};
+
#if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
extern int acpi_video_register(void);
extern void acpi_video_unregister(void);
-extern void acpi_video_unregister_backlight(void);
extern int acpi_video_get_edid(struct acpi_device *device, int type,
int device_id, void **edid);
-extern bool acpi_video_verify_backlight_support(void);
+extern enum acpi_backlight_type acpi_video_get_backlight_type(void);
+extern void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type);
#else
static inline int acpi_video_register(void) { return 0; }
static inline void acpi_video_unregister(void) { return; }
-static inline void acpi_video_unregister_backlight(void) { return; }
static inline int acpi_video_get_edid(struct acpi_device *device, int type,
int device_id, void **edid)
{
return -ENODEV;
}
-static inline bool acpi_video_verify_backlight_support(void) { return false; }
+static inline enum acpi_backlight_type acpi_video_get_backlight_type(void)
+{
+ return acpi_backlight_vendor;
+}
+static void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type)
+{
+}
#endif
#endif