ASoc: Intel: Atom: add deep buffer definitions for atom platforms

Add definitions for MERR_DPCM_DEEP_BUFFER AND PIPE_MEDIA3_IN
Add relevant cpu-dai and dai link names

Signed-off-by: Pierre-Louis Bossart <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

arch/x86/include/asm/platform_sst_audio.h

···
 	PIPE_MEDIA0_IN = 0x8F,
 	PIPE_MEDIA1_IN = 0x90,
 	PIPE_MEDIA2_IN = 0x91,
+	PIPE_MEDIA3_IN = 0x9C,
 	PIPE_RSVD = 0xFF,
 };
 

sound/soc/intel/atom/sst-atom-controls.c

···
 	{"media0_in", NULL, "Compress Playback"},
 	{"media1_in", NULL, "Headset Playback"},
 	{"media2_in", NULL, "pcm0_out"},
+	{"media3_in", NULL, "Deepbuffer Playback"},
 
 	{"media0_out mix 0", "media0_in Switch", "media0_in"},
 	{"media0_out mix 0", "media1_in Switch", "media1_in"},

sound/soc/intel/atom/sst-atom-controls.h

···
 
 enum {
 	MERR_DPCM_AUDIO = 0,
+	MERR_DPCM_DEEP_BUFFER,
 	MERR_DPCM_COMPR,
 };
 

sound/soc/intel/atom/sst-mfld-platform-pcm.c

···
 	{MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA1_IN, SST_TASK_ID_MEDIA, 0},
 	{MERR_DPCM_COMPR, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA0_IN, SST_TASK_ID_MEDIA, 0},
 	{MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_CAPTURE, PIPE_PCM1_OUT, SST_TASK_ID_MEDIA, 0},
+	{MERR_DPCM_DEEP_BUFFER, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA3_IN, SST_TASK_ID_MEDIA, 0},
 };
 
 static int sst_media_digital_mute(struct snd_soc_dai *dai, int mute, int stream)
···
 		.stream_name = "Headset Capture",
 		.channels_min = 1,
 		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE,
+	},
+},
+{
+	.name = "deepbuffer-cpu-dai",
+	.ops = &sst_media_dai_ops,
+	.playback = {
+		.stream_name = "Deepbuffer Playback",
+		.channels_min = SST_STEREO,
+		.channels_max = SST_STEREO,
 		.rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000,
 		.formats = SNDRV_PCM_FMTBIT_S16_LE,
 	},