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| author | Peter Ujfalusi <peter.ujfalusi@linux.intel.com> | 2023-04-04 12:21:08 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-04-04 12:42:36 +0100 |
| commit | 1f7b5d52be130e16fda60be446b30136698738c6 (patch) | |
| tree | 6a418d41d6a9ec608e3456bbc313bd00008e55b4 /sound/soc/sof/intel/hda-dai.c | |
| parent | 4a3b1433a8d384ff8d668b4f8665d6c67dbb30d3 (diff) | |
| download | linux-1f7b5d52be130e16fda60be446b30136698738c6.tar.gz linux-1f7b5d52be130e16fda60be446b30136698738c6.tar.bz2 linux-1f7b5d52be130e16fda60be446b30136698738c6.zip | |
ASoC: SOF: Intel: hda: Add support for DSPless mode
Via the SOF_DBG_DSPLESS_MODE sof_debug flag the SOF stack can be asked to
not use the DSP for audio.
The use of DSPless mode is governed by the sdev->dspless_mode_selected
flag which is only going to be set if the user sets sof_debug=0x8000 and
the platform advertises that the DSPless mode is supported on them.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Link: https://lore.kernel.org/r/20230404092115.27949-6-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/intel/hda-dai.c')
| -rw-r--r-- | sound/soc/sof/intel/hda-dai.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c index 46a17afdd1ea..0435b7f251aa 100644 --- a/sound/soc/sof/intel/hda-dai.c +++ b/sound/soc/sof/intel/hda-dai.c @@ -31,11 +31,18 @@ int hda_dai_config(struct snd_soc_dapm_widget *w, unsigned int flags, struct snd_sof_dai_config_data *data) { struct snd_sof_widget *swidget = w->dobj.private; - struct snd_soc_component *component = swidget->scomp; - struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); - const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); + const struct sof_ipc_tplg_ops *tplg_ops; + struct snd_soc_component *component; + struct snd_sof_dev *sdev; int ret; + if (!swidget) + return 0; + + component = swidget->scomp; + sdev = snd_soc_component_get_drvdata(component); + tplg_ops = sof_ipc_get_ops(sdev, tplg); + if (tplg_ops && tplg_ops->dai_config) { ret = tplg_ops->dai_config(sdev, swidget, flags, data); if (ret < 0) { @@ -56,13 +63,21 @@ hda_dai_get_ops(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream); struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(cpu_dai->component); struct snd_sof_widget *swidget = w->dobj.private; - struct snd_sof_dai *sdai = swidget->private; + struct snd_sof_dai *sdai; + + /* + * The swidget parameter of hda_select_dai_widget_ops() is ignored in + * case of DSPless mode + */ + if (sdev->dspless_mode_selected) + return hda_select_dai_widget_ops(sdev, NULL); + + sdai = swidget->private; /* select and set the DAI widget ops if not set already */ if (!sdai->platform_private) { const struct hda_dai_widget_dma_ops *ops = hda_select_dai_widget_ops(sdev, swidget); - if (!ops) return NULL; |