HDMI_ACTIVE_AVMUTE  532 drivers/gpu/drm/radeon/evergreend.h #       define HDMI_ACTIVE_AVMUTE            (1 << 0)
HDMI_ACTIVE_AVMUTE  687 drivers/gpu/drm/radeon/rv770d.h #       define HDMI_ACTIVE_AVMUTE            (1 << 0)