hal: add quad mic support for audio recording and VoIP calls

Add quad mic recording support for standalone audio recording
and for VoIP calls using audio path.

Change-Id: I10724b6350b9940b93971ac720747dee1a9936cb
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 968ae39..be8735e 100755
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -291,6 +291,10 @@
     [SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE] = "speaker-dmic-broadside",
     [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE] = "speaker-dmic-broadside",
     [SND_DEVICE_IN_VOICE_FLUENCE_DMIC_AANC] = "aanc-fluence-dmic-handset",
+    [SND_DEVICE_IN_HANDSET_QMIC] = "quad-mic",
+    [SND_DEVICE_IN_SPEAKER_QMIC_AEC] = "quad-mic",
+    [SND_DEVICE_IN_SPEAKER_QMIC_NS] = "quad-mic",
+    [SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS] = "quad-mic",
 };
 
 /* ACDB IDs (audio DSP path configuration IDs) for each sound device */
@@ -377,6 +381,10 @@
     [SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE] = 121,
     [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE] = 120,
     [SND_DEVICE_IN_VOICE_FLUENCE_DMIC_AANC] = 135,
+    [SND_DEVICE_IN_HANDSET_QMIC] = 125,
+    [SND_DEVICE_IN_SPEAKER_QMIC_AEC] = 126,
+    [SND_DEVICE_IN_SPEAKER_QMIC_NS] = 127,
+    [SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS] = 129,
 };
 
 struct snd_device_index {
@@ -463,6 +471,10 @@
     {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_STEREO_DMIC)},
     {TO_NAME_INDEX(SND_DEVICE_IN_CAPTURE_VI_FEEDBACK)},
     {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_FLUENCE_DMIC_AANC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_QMIC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_AEC)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_NS)},
+    {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS)},
 };
 
 #define NO_COLS 2
@@ -1909,12 +1921,15 @@
             if (adev->active_input->enable_aec &&
                     adev->active_input->enable_ns) {
                 if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
-                    if (my_data->fluence_type & FLUENCE_DUAL_MIC &&
-                       my_data->fluence_in_spkr_mode) {
-                        if (my_data->fluence_mode == FLUENCE_BROADSIDE)
-                            snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE;
-                        else
-                            snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS;
+                    if (my_data->fluence_in_spkr_mode) {
+                        if (my_data->fluence_type & FLUENCE_QUAD_MIC) {
+                            snd_device = SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS;
+                        } else if (my_data->fluence_type & FLUENCE_DUAL_MIC) {
+                            if (my_data->fluence_mode == FLUENCE_BROADSIDE)
+                                snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE;
+                            else
+                                snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS;
+                        }
                         adev->acdb_settings |= DMIC_FLAG;
                     } else
                         snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC_NS;
@@ -1930,12 +1945,15 @@
                 platform_set_echo_reference(adev->platform, true);
             } else if (adev->active_input->enable_aec) {
                 if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
-                    if (my_data->fluence_type & FLUENCE_DUAL_MIC &&
-                        my_data->fluence_in_spkr_mode) {
-                        if (my_data->fluence_mode == FLUENCE_BROADSIDE)
-                            snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE;
-                        else
-                            snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC;
+                    if (my_data->fluence_in_spkr_mode) {
+                        if (my_data->fluence_type & FLUENCE_QUAD_MIC) {
+                            snd_device = SND_DEVICE_IN_SPEAKER_QMIC_AEC;
+                        } else if (my_data->fluence_type & FLUENCE_DUAL_MIC) {
+                            if (my_data->fluence_mode == FLUENCE_BROADSIDE)
+                                snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE;
+                            else
+                                snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC;
+                        }
                         adev->acdb_settings |= DMIC_FLAG;
                     } else
                         snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC;
@@ -1951,12 +1969,15 @@
                 platform_set_echo_reference(adev->platform, true);
             } else if (adev->active_input->enable_ns) {
                 if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
-                    if (my_data->fluence_type & FLUENCE_DUAL_MIC &&
-                        my_data->fluence_in_spkr_mode) {
-                        if (my_data->fluence_mode == FLUENCE_BROADSIDE)
-                            snd_device = SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE;
-                        else
-                            snd_device = SND_DEVICE_IN_SPEAKER_DMIC_NS;
+                    if (my_data->fluence_in_spkr_mode) {
+                        if (my_data->fluence_type & FLUENCE_QUAD_MIC) {
+                            snd_device = SND_DEVICE_IN_SPEAKER_QMIC_NS;
+                        } else if (my_data->fluence_type & FLUENCE_DUAL_MIC) {
+                            if (my_data->fluence_mode == FLUENCE_BROADSIDE)
+                                snd_device = SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE;
+                            else
+                                snd_device = SND_DEVICE_IN_SPEAKER_DMIC_NS;
+                        }
                         adev->acdb_settings |= DMIC_FLAG;
                     } else
                         snd_device = SND_DEVICE_IN_SPEAKER_MIC_NS;
@@ -1976,9 +1997,15 @@
     } else if (source == AUDIO_SOURCE_MIC) {
         if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC &&
                 channel_count == 1 ) {
-            if(my_data->fluence_type & FLUENCE_DUAL_MIC &&
-                    my_data->fluence_in_audio_rec)
-                snd_device = SND_DEVICE_IN_HANDSET_DMIC;
+            if(my_data->fluence_in_audio_rec) {
+                if(my_data->fluence_type & FLUENCE_QUAD_MIC) {
+                    snd_device = SND_DEVICE_IN_HANDSET_QMIC;
+                    platform_set_echo_reference(adev->platform, true);
+                } else if (my_data->fluence_type & FLUENCE_DUAL_MIC) {
+                    snd_device = SND_DEVICE_IN_HANDSET_DMIC;
+                    platform_set_echo_reference(adev->platform, true);
+                }
+            }
         }
     } else if (source == AUDIO_SOURCE_FM_RX ||
                source == AUDIO_SOURCE_FM_RX_A2DP) {