commit 6178a3f6183329587ecaf6501d254379eb9845b2
author Apoorv Raghuvanshi <apoorvr@codeaurora.org> Sat Oct 19 12:38:54 2013 -0700
committer Ravi Kumar Alamanda <ralama@codeaurora.org> Mon Oct 21 23:56:48 2013 -0700
tree 1d9224c1d9ac1560202c922f6c6bb3d4110d909a
parent 83e17978fde75de60c9b2cf335da951d7202dd69

hal: Add support for ssr audio feature

Update audio HAL to support surround sound recording (5.1 channels)

Change-Id: I5b24340251b55ad5c602f2de0a0b4c7672ba729b

hal/msm8974/platform.c

diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index bb732f6..dc3857b 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -171,6 +171,7 @@
     [SND_DEVICE_IN_USB_HEADSET_MIC] = "usb-headset-mic",
     [SND_DEVICE_IN_CAPTURE_FM] = "capture-fm",
     [SND_DEVICE_IN_AANC_HANDSET_MIC] = "aanc-handset-mic",
+    [SND_DEVICE_IN_QUAD_MIC] = "quad-mic",
 };
 
 /* ACDB IDs (audio DSP path configuration IDs) for each sound device */
@@ -225,6 +226,7 @@
     [SND_DEVICE_IN_USB_HEADSET_MIC] = 44,
     [SND_DEVICE_IN_CAPTURE_FM] = 0,
     [SND_DEVICE_IN_AANC_HANDSET_MIC] = 104,
+    [SND_DEVICE_IN_QUAD_MIC] = 46,
     /* TODO: Update with proper acdb ids */
     [SND_DEVICE_IN_VOICE_REC_DMIC] = 62,
     [SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE] = 6,
@@ -357,6 +359,9 @@
     /* init usb */
     audio_extn_usb_init(adev);
 
+    /* Read one time ssr property */
+    audio_extn_ssr_update_enabled(adev);
+
     return my_data;
 }
 
@@ -792,7 +797,10 @@
             !(in_device & AUDIO_DEVICE_IN_VOICE_CALL) &&
             !(in_device & AUDIO_DEVICE_IN_COMMUNICATION)) {
         if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
-            snd_device = SND_DEVICE_IN_HANDSET_MIC;
+            if (audio_extn_ssr_get_enabled() && channel_count == 6)
+                snd_device = SND_DEVICE_IN_QUAD_MIC;
+            else
+                snd_device = SND_DEVICE_IN_HANDSET_MIC;
         } else if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
             snd_device = SND_DEVICE_IN_SPEAKER_MIC;
         } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {