hal: Fix voice call recording for msm8974

Voice call recording uses audio-record usecase which causes recording
only devices microphone. Use the correct usecase for call recording.

Change-Id: Iaa9fc30534263c6de9b4b66fa5ffa9a1e2cc8fd4

hal/msm8974/platform.c

@@ -1868,9 +1868,18 @@ int64_t platform_render_latency(audio_usecase_t usecase)
 int platform_update_usecase_from_source(int source, int usecase)
 {
     ALOGV("%s: input source :%d", __func__, source);
-    if(source == AUDIO_SOURCE_FM_RX_A2DP)
-        usecase = USECASE_AUDIO_RECORD_FM_VIRTUAL;
-    return usecase;
+    switch(source) {
+        case AUDIO_SOURCE_VOICE_UPLINK:
+            return USECASE_INCALL_REC_UPLINK;
+        case AUDIO_SOURCE_VOICE_DOWNLINK:
+            return USECASE_INCALL_REC_DOWNLINK;
+        case AUDIO_SOURCE_VOICE_CALL:
+            return USECASE_INCALL_REC_UPLINK_AND_DOWNLINK;
+        case AUDIO_SOURCE_FM_RX_A2DP:
+            return USECASE_AUDIO_RECORD_FM_VIRTUAL;
+        default:
+            return usecase;
+    }
 }
 
 bool platform_listen_update_status(snd_device_t snd_device)