ASoC: SOF: Intel: hda: send DAI_CONFIG IPC during pause
For HDA DAI's the DMA must be paused after the RUN bit is cleared by the host. So, send the DAI_CONFIG IPC with just the SOF_DAI_CONFIG_FLAGS_PAUSE flag set to indicate this to the firmware. Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Link: https://lore.kernel.org/r/20211125101520.291581-11-kai.vehmanen@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -287,6 +287,36 @@ static int hda_link_pcm_prepare(struct snd_pcm_substream *substream,
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dai);
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}
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static int hda_link_dai_config_pause_push_ipc(struct snd_soc_dapm_widget *w)
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{
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struct snd_sof_widget *swidget = w->dobj.private;
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struct snd_soc_component *component = swidget->scomp;
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struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
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struct sof_ipc_dai_config *config;
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struct snd_sof_dai *sof_dai;
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struct sof_ipc_reply reply;
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int ret;
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sof_dai = swidget->private;
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if (!sof_dai || !sof_dai->dai_config) {
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dev_err(sdev->dev, "No config for DAI %s\n", w->name);
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return -EINVAL;
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}
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config = &sof_dai->dai_config[sof_dai->current_config];
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/* set PAUSE command flag */
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config->flags = FIELD_PREP(SOF_DAI_CONFIG_FLAGS_CMD_MASK, SOF_DAI_CONFIG_FLAGS_PAUSE);
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ret = sof_ipc_tx_message(sdev->ipc, config->hdr.cmd, config, config->hdr.size,
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&reply, sizeof(reply));
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if (ret < 0)
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dev_err(sdev->dev, "DAI config for %s failed during pause push\n", w->name);
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return ret;
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}
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static int hda_link_pcm_trigger(struct snd_pcm_substream *substream,
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int cmd, struct snd_soc_dai *dai)
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{
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@ -312,6 +342,9 @@ static int hda_link_pcm_trigger(struct snd_pcm_substream *substream,
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hda_stream = hstream_to_sof_hda_stream(link_dev);
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dev_dbg(dai->dev, "In %s cmd=%d\n", __func__, cmd);
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w = snd_soc_dai_get_widget(dai, substream->stream);
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_RESUME:
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/* set up hw_params */
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@ -331,11 +364,6 @@ static int hda_link_pcm_trigger(struct snd_pcm_substream *substream,
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case SNDRV_PCM_TRIGGER_STOP:
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snd_hdac_ext_link_stream_clear(link_dev);
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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w = dai->playback_widget;
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else
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w = dai->capture_widget;
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/*
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* free DAI widget during stop/suspend to keep widget use_count's balanced.
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*/
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@ -352,6 +380,10 @@ static int hda_link_pcm_trigger(struct snd_pcm_substream *substream,
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break;
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case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
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snd_hdac_ext_link_stream_clear(link_dev);
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ret = hda_link_dai_config_pause_push_ipc(w);
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if (ret < 0)
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return ret;
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break;
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default:
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return -EINVAL;
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