msm7x27a: Add support for call-mode-specific speaker endpoint

If it exists, use it, else keep using the normal DEVICE_SPEAKER
Change-Id: I62b44a27e6ba92c78fa28217ad58d065cb19ed57

msm7627a/AudioHardware.cpp

@@ -125,6 +125,7 @@ static int snd_device = -1;
 static uint32_t SND_DEVICE_CURRENT=-1;
 static uint32_t SND_DEVICE_HANDSET=-1;
 static uint32_t SND_DEVICE_SPEAKER=-1;
+static uint32_t SND_DEVICE_SPEAKER_IN_CALL=-1;
 static uint32_t SND_DEVICE_BT=-1;
 static uint32_t SND_DEVICE_BT_EC_OFF=-1;
 static uint32_t SND_DEVICE_HEADSET=-1;
@@ -175,6 +176,7 @@ AudioHardware::AudioHardware() :
                 CHECK_FOR(CURRENT);
                 CHECK_FOR(HANDSET);
                 CHECK_FOR(SPEAKER);
+                CHECK_FOR(SPEAKER_IN_CALL);
                 CHECK_FOR(BT);
                 CHECK_FOR(BT_EC_OFF);
                 CHECK_FOR(HEADSET);
@@ -1205,6 +1207,11 @@ static int msm72xx_enable_postproc(bool state)
         device_id = 2;
         ALOGI("set device to SND_DEVICE_HEADSET device_id=2");
     }
+    if(snd_device == SND_DEVICE_SPEAKER_IN_CALL)
+    {
+        device_id = 7;
+        ALOGI("set device to SND_DEVICE_SPEAKER_IN_CALL device_id=7");
+    }
 
     fd = open(PCM_CTL_DEVICE, O_RDWR);
     if (fd < 0) {
@@ -1451,6 +1458,7 @@ status_t AudioHardware::setMasterVolume(float v)
     ALOGI("Set master volume to %d.\n", vol);
     set_volume_rpc(SND_DEVICE_HANDSET, SND_METHOD_VOICE, vol, m7xsnddriverfd);
     set_volume_rpc(SND_DEVICE_SPEAKER, SND_METHOD_VOICE, vol, m7xsnddriverfd);
+    set_volume_rpc(SND_DEVICE_SPEAKER_IN_CALL, SND_METHOD_VOICE, vol, m7xsnddriverfd);
     set_volume_rpc(SND_DEVICE_BT,      SND_METHOD_VOICE, vol, m7xsnddriverfd);
     set_volume_rpc(SND_DEVICE_HEADSET, SND_METHOD_VOICE, vol, m7xsnddriverfd);
     set_volume_rpc(SND_DEVICE_IN_S_SADC_OUT_HANDSET, SND_METHOD_VOICE, vol, m7xsnddriverfd);
@@ -1702,7 +1710,12 @@ status_t AudioHardware::doRouting(AudioStreamInMSM72xx *input)
             new_post_proc_feature_mask = (ADRC_ENABLE | EQ_ENABLE | RX_IIR_ENABLE | MBADRC_ENABLE);
         } else if (outputDevices & AudioSystem::DEVICE_OUT_SPEAKER) {
             ALOGI("Routing audio to Speakerphone\n");
-            new_snd_device = SND_DEVICE_SPEAKER;
+            if (mMode == AudioSystem::MODE_IN_CALL && SND_DEVICE_SPEAKER_IN_CALL >= 0) {
+                ALOGI("Call-mode speaker exists, using it\n");
+                new_snd_device = SND_DEVICE_SPEAKER_IN_CALL;
+            } else {
+                new_snd_device = SND_DEVICE_SPEAKER;
+            }
             new_post_proc_feature_mask = (ADRC_ENABLE | EQ_ENABLE | RX_IIR_ENABLE | MBADRC_ENABLE);
         } else if (outputDevices & AudioSystem::DEVICE_OUT_EARPIECE) {
             ALOGI("Routing audio to Handset\n");