[alsa-devel] [PATCH 04/19] ASoc: Intel: mfld-pcm: report pcm delay
Vinod Koul
vinod.koul at intel.com
Fri Jun 13 14:33:53 CEST 2014
Now the DSP is capable of reporting the delay, report it to upper layers
Signed-off-by: Vinod Koul <vinod.koul at intel.com>
---
sound/soc/intel/sst-mfld-platform-pcm.c | 1 +
sound/soc/intel/sst-mfld-platform.h | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/sound/soc/intel/sst-mfld-platform-pcm.c b/sound/soc/intel/sst-mfld-platform-pcm.c
index 4528946..80879e5 100644
--- a/sound/soc/intel/sst-mfld-platform-pcm.c
+++ b/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;
}
diff --git a/sound/soc/intel/sst-mfld-platform.h b/sound/soc/intel/sst-mfld-platform.h
index 6d929c7..33a0a27 100644
--- a/sound/soc/intel/sst-mfld-platform.h
+++ b/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;
};
--
1.7.0.4
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