Unverified Commit 2065610b authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Mark Brown
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ASoC: SOF: Intel: hda-dai: add support for dspless mode beyond HDAudio 



For SoundWire/ALH, we need to have a dai configured, but we don't want
to send a DMA_TLV to firmware. Add additional code branches.

Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: default avatarPéter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://msgid.link/r/20240213101247.28887-16-peter.ujfalusi@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 0afce89f

sound/soc/sof/intel/hda-dai.c

+10 −1
Original line number Diff line number Diff line
@@ -83,6 +83,11 @@ hda_dai_get_ops(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai 


	sdev = widget_to_sdev(w);



	if (!swidget) {

		dev_err(sdev->dev, "%s: swidget is NULL\n", __func__);

		return NULL;

	}



	if (sdev->dspless_mode_selected)

		return hda_select_dai_widget_ops(sdev, swidget);
@@ -364,8 +369,11 @@ static int non_hda_dai_hw_params(struct snd_pcm_substream *substream, 
		return ret;

	}



	/* get stream_id */

	sdev = widget_to_sdev(w);

	if (sdev->dspless_mode_selected)

		goto skip_tlv;



	/* get stream_id */

	hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream);



	if (!hext_stream) {
@@ -398,6 +406,7 @@ static int non_hda_dai_hw_params(struct snd_pcm_substream *substream, 
	dma_config->dma_stream_channel_map.device_count = 0; /* mapping not used */

	dma_config->dma_priv_config_size = 0;



skip_tlv:

	return 0;

}