diff options
| author | Ranjani Sridharan <ranjani.sridharan@linux.intel.com> | 2026-02-04 11:18:33 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-02-04 16:26:10 +0300 |
| commit | 6c52fda42066a87b76fd140e027280907071dd8a (patch) | |
| tree | 4deb47e7c17cdf51ca54a22be3eed36f7174fe40 | |
| parent | 16c589567a956d46a7c1363af3f64de3d420af20 (diff) | |
| download | linux-6c52fda42066a87b76fd140e027280907071dd8a.tar.xz | |
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: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Mateusz Redzynia <mateuszx.redzynia@intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://patch.msgid.link/20260204081833.16630-11-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/sof/intel/hda-dai.c | 8 | ||||
| -rw-r--r-- | sound/soc/sof/intel/hda.h | 4 |
2 files changed, 10 insertions, 2 deletions
diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c index 3c742d535133..15faedeec16d 100644 --- a/sound/soc/sof/intel/hda-dai.c +++ b/sound/soc/sof/intel/hda-dai.c @@ -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", diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index 3fe00c269114..3f0966477ace 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -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 |