[alsa-devel] [RFC 06/15] ASoC: bdw-rt5677: Add a DAI link for rt5677 SPI PCM device

[Curtis Malainey]

From: Ben Zhang <benzh at chromium.org>

This link is needed for the RT5677 DSP to do hotwording

Signed-off-by: Ben Zhang <benzh at chromium.org>
Signed-off-by: Curtis Malainey <cujomalainey at chromium.org>
---
 sound/soc/intel/boards/bdw-rt5677.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/sound/soc/intel/boards/bdw-rt5677.c b/sound/soc/intel/boards/bdw-rt5677.c
index 4a4d3353e26d..a02622fae035 100644
--- a/sound/soc/intel/boards/bdw-rt5677.c
+++ b/sound/soc/intel/boards/bdw-rt5677.c
@@ -74,6 +74,7 @@ static const struct snd_soc_dapm_route bdw_rt5677_map[] = {
 	/* CODEC BE connections */
 	{"SSP0 CODEC IN", NULL, "AIF1 Capture"},
 	{"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
+	{"DSP Capture", NULL, "DSP Buffer"},
 };
 
 static const struct snd_kcontrol_new bdw_rt5677_controls[] = {
@@ -258,6 +259,16 @@ SND_SOC_DAILINK_DEF(platform,
 SND_SOC_DAILINK_DEF(be,
 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-RT5677CE:00", "rt5677-aif1")));
 
+/* Wake on voice interface */
+SND_SOC_DAILINK_DEF(fe_dsp,
+	DAILINK_COMP_ARRAY(COMP_CPU("spi-RT5677AA:00")));
+
+SND_SOC_DAILINK_DEF(platform_dsp,
+	DAILINK_COMP_ARRAY(COMP_PLATFORM("spi-RT5677AA:00")));
+
+SND_SOC_DAILINK_DEF(be_dsp,
+	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-RT5677CE:00", "rt5677-dspbuffer")));
+
 static struct snd_soc_dai_link bdw_rt5677_dais[] = {
 	/* Front End DAI links */
 	{
@@ -276,6 +287,13 @@ static struct snd_soc_dai_link bdw_rt5677_dais[] = {
 		SND_SOC_DAILINK_REG(fe, dummy, platform),
 	},
 
+	/* Non-DPCM links */
+	{
+		.name = "Codec DSP",
+		.stream_name = "Wake on Voice",
+		SND_SOC_DAILINK_REG(fe_dsp, be_dsp, platform_dsp),
+	},
+
 	/* Back End DAI links */
 	{
 		/* SSP0 - Codec */
-- 
2.23.0.187.g17f5b7556c-goog