ASoc: Intel: mfld-pcm: report pcm delay

Now the DSP is capable of reporting the delay, report it to upper layers
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/intel/sst-mfld-platform-pcm.c

@@ -409,6 +409,7 @@ static snd_pcm_uframes_t sst_platform_pcm_pointer
 		pr_err("sst: error code = %d\n", ret_val);
 		return ret_val;
 	}
+	substream->runtime->delay = str_info->pcm_delay;
 	return str_info->buffer_ptr;
 }
 

sound/soc/intel/sst-mfld-platform.h

@@ -42,6 +42,7 @@ struct pcm_stream_info {
 	void *arg;
 	void (*period_elapsed) (void *arg);
 	unsigned long long buffer_ptr;
+	unsigned long long pcm_delay;
 	int sfreq;
 };