+
+void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder)
+{
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct drm_connector *connector;
+ struct radeon_connector *radeon_connector = NULL;
+ u8 *sadb = NULL;
+ int sad_count;
+
+ list_for_each_entry(connector,
+ &encoder->dev->mode_config.connector_list, head) {
+ if (connector->encoder == encoder) {
+ radeon_connector = to_radeon_connector(connector);
+ break;
+ }
+ }
+
+ if (!radeon_connector) {
+ DRM_ERROR("Couldn't find encoder's connector\n");
+ return;
+ }
+
+ sad_count = drm_edid_to_speaker_allocation(
+ radeon_connector_edid(connector), &sadb);
+ if (sad_count < 0) {
+ DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n",
+ sad_count);
+ sad_count = 0;
+ }
+
+ if (radeon_encoder->audio && radeon_encoder->audio->write_speaker_allocation)
+ radeon_encoder->audio->write_speaker_allocation(encoder, sadb, sad_count);
+
+ kfree(sadb);
+}