Unverified Commit 6c52fda4 authored by Ranjani Sridharan's avatar Ranjani Sridharan Committed by Mark Brown
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ASoC: SOF: Intel: hda: Add a virtual CPU DAI 



Add a virtual CPU DAI for loopback capture for echo reference
implementation. We can't use the snd-soc-dummy-dai because it is already
used for the bluetooth DAI link.

Signed-off-by: default avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: default avatarLiam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: default avatarMateusz Redzynia <mateuszx.redzynia@intel.com>
Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://patch.msgid.link/20260204081833.16630-11-peter.ujfalusi@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 16c58956

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

+8 −0
Original line number Diff line number Diff line
@@ -866,6 +866,14 @@ struct snd_soc_dai_driver skl_dai[] = { 
		.channels_max = 4,

	},

},

{

	/* Virtual CPU DAI for Echo reference */

	.name = "Loopback Virtual Pin",

	.capture = {

		.channels_min = 1,

		.channels_max = 2,

	},

},

#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)

{

	.name = "iDisp1 Pin",

sound/soc/sof/intel/hda.h

+2 −2
Original line number Diff line number Diff line
@@ -418,10 +418,10 @@ 
	(HDA_DSP_BDL_SIZE / sizeof(struct sof_intel_dsp_bdl))



/* Number of DAIs */

#define SOF_SKL_NUM_DAIS_NOCODEC	8

#define SOF_SKL_NUM_DAIS_NOCODEC	9



#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)

#define SOF_SKL_NUM_DAIS		15

#define SOF_SKL_NUM_DAIS		16

#else

#define SOF_SKL_NUM_DAIS		SOF_SKL_NUM_DAIS_NOCODEC

#endif