[alsa-devel] [PATCH v3 02/11] ASoC: bdw-rt5677: Add a DAI link for rt5677 SPI PCM device

From: Curtis Malainey <cujomalainey@chromium.org>
To: alsa-devel@alsa-project.org
Cc: Cezary Rojewski <cezary.rojewski@intel.com>,
	Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	Alexios Zavras <alexios.zavras@intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Takashi Iwai <tiwai@suse.com>,
	Jie Yang <yang.jie@linux.intel.com>,
	Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
	Liam Girdwood <liam.r.girdwood@linux.intel.com>,
	Ben Zhang <benzh@chromium.org>, Mark Brown <broonie@kernel.org>,
	Curtis Malainey <cujomalainey@chromium.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: [alsa-devel] [PATCH v3 02/11] ASoC: bdw-rt5677: Add a DAI link for rt5677 SPI PCM device
Date: Tue,  5 Nov 2019 17:13:27 -0800	[thread overview]
Message-ID: <20191106011335.223061-3-cujomalainey@chromium.org> (raw)
In-Reply-To: <20191106011335.223061-1-cujomalainey@chromium.org>

From: Ben Zhang <benzh@chromium.org>

This link is needed for the RT5677 DSP to do hotwording

Signed-off-by: Ben Zhang <benzh@chromium.org>
Signed-off-by: Curtis Malainey <cujomalainey@chromium.org>
---
 sound/soc/intel/boards/bdw-rt5677.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/sound/soc/intel/boards/bdw-rt5677.c b/sound/soc/intel/boards/bdw-rt5677.c
index 4a4d3353e26d..eeb9a11e4e14 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 +259,12 @@ 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_DEFS(dsp,
+	DAILINK_COMP_ARRAY(COMP_CPU("spi-RT5677AA:00")),
+	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-RT5677CE:00", "rt5677-dspbuffer")),
+	DAILINK_COMP_ARRAY(COMP_PLATFORM("spi-RT5677AA:00")));
+
 static struct snd_soc_dai_link bdw_rt5677_dais[] = {
 	/* Front End DAI links */
 	{
@@ -276,6 +283,13 @@ 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(dsp),
+	},
+
 	/* Back End DAI links */
 	{
 		/* SSP0 - Codec */
-- 
2.24.0.rc1.363.gb1bccd3e3d-goog

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