diff options
Diffstat (limited to 'sound/soc/sof/amd/acp-pcm.c')
| -rw-r--r-- | sound/soc/sof/amd/acp-pcm.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/sound/soc/sof/amd/acp-pcm.c b/sound/soc/sof/amd/acp-pcm.c index 727c3a784a20..0828245bbb99 100644 --- a/sound/soc/sof/amd/acp-pcm.c +++ b/sound/soc/sof/amd/acp-pcm.c @@ -39,6 +39,7 @@ int acp_pcm_hw_params(struct snd_sof_dev *sdev, struct snd_pcm_substream *substr platform_params->use_phy_address = true; platform_params->phy_addr = stream->reg_offset; platform_params->stream_tag = stream->stream_tag; + platform_params->cont_update_posn = 1; /* write buffer size of stream in scratch memory */ @@ -84,3 +85,36 @@ int acp_pcm_close(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream) return acp_dsp_stream_put(sdev, stream); } EXPORT_SYMBOL_NS(acp_pcm_close, SND_SOC_SOF_AMD_COMMON); + +snd_pcm_uframes_t acp_pcm_pointer(struct snd_sof_dev *sdev, + struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_component *scomp = sdev->component; + struct snd_sof_pcm_stream *stream; + struct sof_ipc_stream_posn posn; + struct snd_sof_pcm *spcm; + snd_pcm_uframes_t pos; + int ret; + + spcm = snd_sof_find_spcm_dai(scomp, rtd); + if (!spcm) { + dev_warn_ratelimited(sdev->dev, "warn: can't find PCM with DAI ID %d\n", + rtd->dai_link->id); + return 0; + } + + stream = &spcm->stream[substream->stream]; + ret = snd_sof_ipc_msg_data(sdev, stream, &posn, sizeof(posn)); + if (ret < 0) { + dev_warn(sdev->dev, "failed to read stream position: %d\n", ret); + return 0; + } + + memcpy(&stream->posn, &posn, sizeof(posn)); + pos = spcm->stream[substream->stream].posn.host_posn; + pos = bytes_to_frames(substream->runtime, pos); + + return pos; +} +EXPORT_SYMBOL_NS(acp_pcm_pointer, SND_SOC_SOF_AMD_COMMON); |