1 files changed, 33 insertions, 5 deletions

diff --git a/sound/soc/intel/sst-haswell-ipc.c b/sound/soc/intel/sst-haswell-ipc.c
index f46bb4ddde6f..e7996b39a484 100644
--- a/sound/soc/intel/sst-haswell-ipc.c
+++ b/sound/soc/intel/sst-haswell-ipc.c
@@ -617,7 +617,7 @@ static void hsw_notification_work(struct work_struct *work)
 	case IPC_POSITION_CHANGED:
 		trace_ipc_notification("DSP stream position changed for",
 			stream->reply.stream_hw_id);
-		sst_dsp_inbox_read(hsw->dsp, pos, sizeof(pos));
+		sst_dsp_inbox_read(hsw->dsp, pos, sizeof(*pos));
 
 		if (stream->notify_position)
 			stream->notify_position(stream, stream->pdata);
@@ -991,7 +991,8 @@ int sst_hsw_stream_get_volume(struct sst_hsw *hsw, struct sst_hsw_stream *stream
 		return -EINVAL;
 
 	sst_dsp_read(hsw->dsp, volume,
-		stream->reply.volume_register_address[channel], sizeof(volume));
+		stream->reply.volume_register_address[channel],
+		sizeof(*volume));
 
 	return 0;
 }
@@ -1158,11 +1159,14 @@ struct sst_hsw_stream *sst_hsw_stream_new(struct sst_hsw *hsw, int id,
 	void *data)
 {
 	struct sst_hsw_stream *stream;
+	struct sst_dsp *sst = hsw->dsp;
+	unsigned long flags;
 
 	stream = kzalloc(sizeof(*stream), GFP_KERNEL);
 	if (stream == NULL)
 		return NULL;
 
+	spin_lock_irqsave(&sst->spinlock, flags);
 	list_add(&stream->node, &hsw->stream_list);
 	stream->notify_position = notify_position;
 	stream->pdata = data;
@@ -1171,6 +1175,7 @@ struct sst_hsw_stream *sst_hsw_stream_new(struct sst_hsw *hsw, int id,
 
 	/* work to process notification messages */
 	INIT_WORK(&stream->notify_work, hsw_notification_work);
+	spin_unlock_irqrestore(&sst->spinlock, flags);
 
 	return stream;
 }
@@ -1179,6 +1184,8 @@ int sst_hsw_stream_free(struct sst_hsw *hsw, struct sst_hsw_stream *stream)
 {
 	u32 header;
 	int ret = 0;
+	struct sst_dsp *sst = hsw->dsp;
+	unsigned long flags;
 
 	/* dont free DSP streams that are not commited */
 	if (!stream->commited)
@@ -1200,8 +1207,11 @@ int sst_hsw_stream_free(struct sst_hsw *hsw, struct sst_hsw_stream *stream)
 	trace_hsw_stream_free_req(stream, &stream->free_req);
 
 out:
+	cancel_work_sync(&stream->notify_work);
+	spin_lock_irqsave(&sst->spinlock, flags);
 	list_del(&stream->node);
 	kfree(stream);
+	spin_unlock_irqrestore(&sst->spinlock, flags);
 
 	return ret;
 }
@@ -1537,10 +1547,28 @@ int sst_hsw_stream_reset(struct sst_hsw *hsw, struct sst_hsw_stream *stream)
 }
 
 /* Stream pointer positions */
-int sst_hsw_get_dsp_position(struct sst_hsw *hsw,
+u32 sst_hsw_get_dsp_position(struct sst_hsw *hsw,
 	struct sst_hsw_stream *stream)
 {
-	return stream->rpos.position;
+	u32 rpos;
+
+	sst_dsp_read(hsw->dsp, &rpos,
+		stream->reply.read_position_register_address, sizeof(rpos));
+
+	return rpos;
+}
+
+/* Stream presentation (monotonic) positions */
+u64 sst_hsw_get_dsp_presentation_position(struct sst_hsw *hsw,
+	struct sst_hsw_stream *stream)
+{
+	u64 ppos;
+
+	sst_dsp_read(hsw->dsp, &ppos,
+		stream->reply.presentation_position_register_address,
+		sizeof(ppos));
+
+	return ppos;
 }
 
 int sst_hsw_stream_set_write_position(struct sst_hsw *hsw,
@@ -1609,7 +1637,7 @@ int sst_hsw_dx_set_state(struct sst_hsw *hsw,
 	trace_ipc_request("PM enter Dx state", state);
 
 	ret = ipc_tx_message_wait(hsw, header, &state_, sizeof(state_),
-		dx, sizeof(dx));
+		dx, sizeof(*dx));
 	if (ret < 0) {
 		dev_err(hsw->dev, "ipc: error set dx state %d failed\n", state);
 		return ret;