[alsa-devel] [PATCH 1/3] ASoC: Intel: kbl: Add new FEs for Multi-Playback & Echo-Reference

[Naveen M]

Adding new frontends to support:
1. Parallel playback on 2 ports simultaneously
2. Echo reference capture capability

Signed-off-by: Naveen M <naveen.m at intel.com>
Signed-off-by: Sathya Prakash M R <sathya.prakash.m.r at intel.com>
---
 sound/soc/intel/skylake/skl-pcm.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 0ebea34a..f18b4c9 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -675,6 +675,32 @@ static int skl_link_hw_free(struct snd_pcm_substream *substream,
 	},
 },
 {
+	.name = "System Pin2",
+	.ops = &skl_pcm_dai_ops,
+	.playback = {
+		.stream_name = "Headset Playback",
+		.channels_min = HDA_MONO,
+		.channels_max = HDA_STEREO,
+		.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 |
+			SNDRV_PCM_RATE_8000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE |
+			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE,
+	},
+},
+{
+	.name = "Echoref Pin",
+	.ops = &skl_pcm_dai_ops,
+	.capture = {
+		.stream_name = "Echoreference Capture",
+		.channels_min = HDA_STEREO,
+		.channels_max = HDA_STEREO,
+		.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 |
+			SNDRV_PCM_RATE_8000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE |
+			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE,
+	},
+},
+{
 	.name = "Reference Pin",
 	.ops = &skl_pcm_dai_ops,
 	.capture = {
-- 
1.9.1