ACPI video: if no ACPI backlight support, use vendor drivers

[sfrench/cifs-2.6.git] / include / linux / acpi.h

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index fd6a452b0ceb2dd5b809631cbd12d1dc77c31b92..7f23761ace35ff0b78d25b8be6548244d9bac2e6 100644 (file)
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -194,6 +194,50 @@ extern bool wmi_has_guid(const char *guid);
 
 #endif /* CONFIG_ACPI_WMI */
 
+#define ACPI_VIDEO_OUTPUT_SWITCHING                    0x0001
+#define ACPI_VIDEO_DEVICE_POSTING                      0x0002
+#define ACPI_VIDEO_ROM_AVAILABLE                       0x0004
+#define ACPI_VIDEO_BACKLIGHT                           0x0008
+#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR              0x0010
+#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO               0x0020
+#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR       0x0040
+#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO                0x0080
+#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR                        0x0100
+#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO                 0x0200
+#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR         0x0400
+#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO          0x0800
+
+#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
+
+extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
+extern long acpi_is_video_device(struct acpi_device *device);
+extern int acpi_video_backlight_support(void);
+extern int acpi_video_display_switch_support(void);
+
+#else
+
+static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
+{
+       return 0;
+}
+
+static inline long acpi_is_video_device(struct acpi_device *device)
+{
+       return 0;
+}
+
+static inline int acpi_video_backlight_support(void)
+{
+       return 0;
+}
+
+static inline int acpi_video_display_switch_support(void)
+{
+       return 0;
+}
+
+#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
+
 extern int acpi_blacklisted(void);
 #ifdef CONFIG_DMI
 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);