ASoC: Intel: boards: add DEEP_BUFFER support for BYT/CHT/BSW

Add dai links to enable additional playback stream with deeper
buffer for lower power consumption.
The normal and DEEP_buffer streams are not mutually exclusive,
content will be mixed by the DSP.
Signed-off-by: NPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/intel/boards/bytcr_rt5640.c

@@ -267,6 +267,19 @@ static struct snd_soc_dai_link byt_rt5640_dais[] = {
 		.dpcm_capture = 1,
 		.ops = &byt_rt5640_aif1_ops,
 	},
+	[MERR_DPCM_DEEP_BUFFER] = {
+		.name = "Deep-Buffer Audio Port",
+		.stream_name = "Deep-Buffer Audio",
+		.cpu_dai_name = "deepbuffer-cpu-dai",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.codec_name = "snd-soc-dummy",
+		.platform_name = "sst-mfld-platform",
+		.ignore_suspend = 1,
+		.nonatomic = true,
+		.dynamic = 1,
+		.dpcm_playback = 1,
+		.ops = &byt_rt5640_aif1_ops,
+	},
 	[MERR_DPCM_COMPR] = {
 		.name = "Baytrail Compressed Port",
 		.stream_name = "Baytrail Compress",

sound/soc/intel/boards/cht_bsw_max98090_ti.c

@@ -232,6 +232,18 @@ static struct snd_soc_dai_link cht_dailink[] = {
 		.dpcm_capture = 1,
 		.ops = &cht_aif1_ops,
 	},
+	[MERR_DPCM_DEEP_BUFFER] = {
+		.name = "Deep-Buffer Audio Port",
+		.stream_name = "Deep-Buffer Audio",
+		.cpu_dai_name = "deepbuffer-cpu-dai",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.codec_name = "snd-soc-dummy",
+		.platform_name = "sst-mfld-platform",
+		.nonatomic = true,
+		.dynamic = 1,
+		.dpcm_playback = 1,
+		.ops = &cht_aif1_ops,
+	},
 	[MERR_DPCM_COMPR] = {
 		.name = "Compressed Port",
 		.stream_name = "Compress",

sound/soc/intel/boards/cht_bsw_rt5645.c

@@ -260,6 +260,18 @@ static struct snd_soc_dai_link cht_dailink[] = {
 		.dpcm_capture = 1,
 		.ops = &cht_aif1_ops,
 	},
+	[MERR_DPCM_DEEP_BUFFER] = {
+		.name = "Deep-Buffer Audio Port",
+		.stream_name = "Deep-Buffer Audio",
+		.cpu_dai_name = "deepbuffer-cpu-dai",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.codec_name = "snd-soc-dummy",
+		.platform_name = "sst-mfld-platform",
+		.nonatomic = true,
+		.dynamic = 1,
+		.dpcm_playback = 1,
+		.ops = &cht_aif1_ops,
+	},
 	[MERR_DPCM_COMPR] = {
 		.name = "Compressed Port",
 		.stream_name = "Compress",

sound/soc/intel/boards/cht_bsw_rt5672.c

@@ -248,6 +248,18 @@ static struct snd_soc_dai_link cht_dailink[] = {
 		.dpcm_capture = 1,
 		.ops = &cht_aif1_ops,
 	},
+	[MERR_DPCM_DEEP_BUFFER] = {
+		.name = "Deep-Buffer Audio Port",
+		.stream_name = "Deep-Buffer Audio",
+		.cpu_dai_name = "deepbuffer-cpu-dai",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.codec_name = "snd-soc-dummy",
+		.platform_name = "sst-mfld-platform",
+		.nonatomic = true,
+		.dynamic = 1,
+		.dpcm_playback = 1,
+		.ops = &cht_aif1_ops,
+	},
 	[MERR_DPCM_COMPR] = {
 		.name = "Compressed Port",
 		.stream_name = "Compress",