AsoC: Add mixer controls for incall music delivery

Add mixer controls for incall music delivery.

CRs-Fixed: 2533113
Change-Id: Ie3180e16820627fbf3196281b0e8bdd91174e3b6
Signed-off-by: Anurag Chouhan <[email protected]>

asoc/msm-pcm-routing-v2.c

@@ -7607,6 +7607,10 @@ static const struct snd_kcontrol_new incall_music_delivery_mixer_controls[] = {
 	MSM_BACKEND_DAI_VOICE_PLAYBACK_TX,
 	MSM_FRONTEND_DAI_MULTIMEDIA2, 1, 0, msm_routing_get_audio_mixer,
 	msm_routing_put_audio_mixer),
+	SOC_DOUBLE_EXT("MultiMedia4", SND_SOC_NOPM,
+	MSM_BACKEND_DAI_VOICE_PLAYBACK_TX,
+	MSM_FRONTEND_DAI_MULTIMEDIA4, 1, 0, msm_routing_get_audio_mixer,
+	msm_routing_put_audio_mixer),
 	SOC_DOUBLE_EXT("MultiMedia5", SND_SOC_NOPM,
 	MSM_BACKEND_DAI_VOICE_PLAYBACK_TX,
 	MSM_FRONTEND_DAI_MULTIMEDIA5, 1, 0, msm_routing_get_audio_mixer,
@@ -24614,6 +24618,7 @@ static const struct snd_soc_dapm_route intercon[] = {
 	/* incall */
 	{"Incall_Music Audio Mixer", "MultiMedia1", "MM_DL1"},
 	{"Incall_Music Audio Mixer", "MultiMedia2", "MM_DL2"},
+	{"Incall_Music Audio Mixer", "MultiMedia4", "MM_DL4"},
 	{"Incall_Music Audio Mixer", "MultiMedia5", "MM_DL5"},
 	{"Incall_Music Audio Mixer", "MultiMedia9", "MM_DL9"},
 	{"VOICE_PLAYBACK_TX", NULL, "Incall_Music Audio Mixer"},