mixin: Add EOS notification

Signed-off-by: Adrian Warecki <adrian.warecki@intel.com>

Author: softwarecki

src/audio/mixin_mixout/mixin_mixout.c

@@ -248,11 +248,12 @@ static void silence(struct cir_buf_ptr *stream, uint32_t start_offset,
 
 #if CONFIG_XRUN_NOTIFICATIONS_ENABLE
 static void mixin_check_notify_underrun(struct comp_dev *dev, struct mixin_data *mixin_data,
-					size_t source_avail_frames, size_t sinks_free_frames)
+					size_t source_avail, size_t sinks_free)
 {
 	mixin_data->last_reported_underrun++;
-	if (source_avail_frames < sinks_free_frames &&
-	    mixin_data->last_reported_underrun >= mixin_data->underrun_notification_period) {
+
+	if (!source_avail && mixin_data->last_reported_underrun >=
+	    mixin_data->underrun_notification_period) {
 		mixin_data->last_reported_underrun = 0;
 
 		struct ipc_msg *notify = ipc_notification_pool_get(IPC4_RESOURCE_EVENT_SIZE);
@@ -385,7 +386,11 @@ static int mixin_process(struct processing_module *mod,
 		return 0;
 
 #if CONFIG_XRUN_NOTIFICATIONS_ENABLE
-	mixin_check_notify_underrun(dev, mixin_data, source_avail_frames, sinks_free_frames);
+	size_t frame_bytes = source_get_frame_bytes(sources[0]);
+	size_t min_frames = MIN(dev->frames, sinks_free_frames);
+	mixin_check_notify_underrun(dev, mixin_data,
+				    source_avail_frames * frame_bytes,
+				    min_frames * frame_bytes);
 #endif
 
 	if (source_avail_frames > 0) {