These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / acpi / video.h

diff --git a/kernel/include/acpi/video.h b/kernel/include/acpi/video.h
index 843ef1a..c62392d 100644 (file)
--- a/kernel/include/acpi/video.h
+++ b/kernel/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
 
-#if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
+enum acpi_backlight_type {
+       acpi_backlight_undef = -1,
+       acpi_backlight_none = 0,
+       acpi_backlight_video,
+       acpi_backlight_vendor,
+       acpi_backlight_native,
+};
+
+#if IS_ENABLED(CONFIG_ACPI_VIDEO)
 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 inline void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type)
+{
+}
 #endif
 
 #endif