AFMT_AUDIO_INFO_SOURCE  722 drivers/gpu/drm/radeon/evergreend.h #       define AFMT_AUDIO_INFO_SOURCE        (1 << 6) /* 0 - sound block; 1 - afmt regs */
AFMT_AUDIO_INFO_SOURCE  863 drivers/gpu/drm/radeon/rv770d.h #       define AFMT_AUDIO_INFO_SOURCE        (1 << 6) /* 0 - sound block; 1 - hdmi regs */