ASoC: SOF: Intel: hda-ipc: Add hda_set_stream_data_offset()

Add implementation for the generic set_stream_data_offset() callback to be
used by HDA platforms.

Convert the hda_ipc_pcm_params() to a wrapper for the new function.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220310042720.976809-8-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/intel/hda-ipc.c

@@ -267,14 +267,12 @@ int hda_ipc_msg_data(struct snd_sof_dev *sdev,
 	return 0;
 }
 
-int hda_ipc_pcm_params(struct snd_sof_dev *sdev,
-		       struct snd_pcm_substream *substream,
-		       const struct sof_ipc_pcm_params_reply *reply)
+int hda_set_stream_data_offset(struct snd_sof_dev *sdev,
+			       struct snd_pcm_substream *substream,
+			       size_t posn_offset)
 {
 	struct hdac_stream *hstream = substream->runtime->private_data;
 	struct sof_intel_hda_stream *hda_stream;
-	/* validate offset */
-	size_t posn_offset = reply->posn_offset;
 
 	hda_stream = container_of(hstream, struct sof_intel_hda_stream,
 				  hext_stream.hstream);
@@ -291,3 +289,10 @@ int hda_ipc_pcm_params(struct snd_sof_dev *sdev,
 
 	return 0;
 }
+
+int hda_ipc_pcm_params(struct snd_sof_dev *sdev,
+		       struct snd_pcm_substream *substream,
+		       const struct sof_ipc_pcm_params_reply *reply)
+{
+	return hda_set_stream_data_offset(sdev, substream, reply->posn_offset);
+}

sound/soc/sof/intel/hda.h

@@ -569,6 +569,9 @@ int hda_ipc_msg_data(struct snd_sof_dev *sdev,
 int hda_ipc_pcm_params(struct snd_sof_dev *sdev,
 		       struct snd_pcm_substream *substream,
 		       const struct sof_ipc_pcm_params_reply *reply);
+int hda_set_stream_data_offset(struct snd_sof_dev *sdev,
+			       struct snd_pcm_substream *substream,
+			       size_t posn_offset);
 
 /*
  * DSP IPC Operations.