Merge "Revert "Volume listener accounts for 25 possible volume steps"" into oc-dr1-dev
diff --git a/hal/Android.mk b/hal/Android.mk
index 2de6c16..0d2b6b9 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -80,6 +80,10 @@
     LOCAL_SRC_FILES += audio_extn/usb.c
 endif
 
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_USB_SIDETONE_VOLUME)),true)
+    LOCAL_CFLAGS += -DUSB_SIDETONE_VOLUME
+endif
+
 LOCAL_SHARED_LIBRARIES := \
 	libaudioutils \
 	liblog \
diff --git a/hal/audio_extn/soundtrigger.c b/hal/audio_extn/soundtrigger.c
index 32b7b85..112bd1e 100644
--- a/hal/audio_extn/soundtrigger.c
+++ b/hal/audio_extn/soundtrigger.c
@@ -68,6 +68,15 @@
     return NULL;
 }
 
+static void stdev_snd_mon_cb(void * stream __unused, struct str_parms * parms)
+{
+    if (!parms)
+        return;
+
+    audio_extn_sound_trigger_set_parameters(NULL, parms);
+    return;
+}
+
 int audio_hw_call_back(sound_trigger_event_type_t event,
                        sound_trigger_event_info_t* config)
 {
@@ -333,6 +342,7 @@
 
     st_dev->adev = adev;
     list_init(&st_dev->st_ses_list);
+    audio_extn_snd_mon_register_listener(st_dev, stdev_snd_mon_cb);
 
     return 0;
 
@@ -349,6 +359,7 @@
 {
     ALOGV("%s: Enter", __func__);
     if (st_dev && (st_dev->adev == adev) && st_dev->lib_handle) {
+        audio_extn_snd_mon_unregister_listener(st_dev);
         dlclose(st_dev->lib_handle);
         free(st_dev);
         st_dev = NULL;
diff --git a/hal/audio_extn/usb.c b/hal/audio_extn/usb.c
index 4e4c70d..6b3ee7b 100644
--- a/hal/audio_extn/usb.c
+++ b/hal/audio_extn/usb.c
@@ -505,9 +505,12 @@
             usb_card_info->usb_sidetone_index[USB_SIDETONE_ENABLE_INDEX] = index;
             /* Disable device sidetone by default */
             mixer_ctl_set_value(ctl, 0, false);
+            ALOGV("%s:: sidetone mixer Control found(%s) ... disabling by default",
+                   __func__, usb_sidetone_enable_str[index]);
             break;
         }
     }
+#ifdef USB_SIDETONE_VOLUME
     for (index = 0;
          index < sizeof(usb_sidetone_volume_str)/sizeof(usb_sidetone_volume_str[0]);
          index++) {
@@ -520,7 +523,7 @@
             break;
         }
     }
-
+#endif // USB_SIDETONE_VOLUME
     if ((usb_card_info->usb_snd_mixer != NULL) && (usb_audio_debug_enable))
         usb_soundcard_list_controls(usb_card_info->usb_snd_mixer);
 
@@ -848,6 +851,7 @@
                 else
                     break;
 
+#ifdef USB_SIDETONE_VOLUME
                 if ((i = card_info->usb_sidetone_index[USB_SIDETONE_VOLUME_INDEX]) != -1) {
                     ctl = mixer_get_ctl_by_name(
                                 card_info->usb_snd_mixer,
@@ -859,6 +863,7 @@
                         mixer_ctl_set_value(ctl, 0,
                                             usb_get_sidetone_gain(card_info));
                 }
+#endif // USB_SIDETONE_VOLUME
                 ret = 0;
                 break;
             }
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index e5a8854..49a0716 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -4483,19 +4483,17 @@
     if (!adev)
         return 0;
 
-    audio_extn_snd_mon_unregister_listener(adev);
-    audio_extn_snd_mon_deinit();
-
-    audio_extn_tfa_98xx_deinit();
-
     pthread_mutex_lock(&adev_init_lock);
 
     if ((--audio_device_ref_count) == 0) {
+        audio_extn_snd_mon_unregister_listener(adev);
+        audio_extn_tfa_98xx_deinit();
         audio_route_free(adev->audio_route);
         free(adev->snd_dev_ref_cnt);
         platform_deinit(adev->platform);
         audio_extn_extspk_deinit(adev->extspk);
         audio_extn_sound_trigger_deinit(adev);
+        audio_extn_snd_mon_deinit();
         for (i = 0; i < ARRAY_SIZE(adev->use_case_table); ++i) {
             pcm_params_free(adev->use_case_table[i]);
         }
@@ -4621,7 +4619,6 @@
         return -EINVAL;
     }
     adev->extspk = audio_extn_extspk_init(adev);
-    audio_extn_sound_trigger_init(adev);
 
     adev->visualizer_lib = dlopen(VISUALIZER_LIBRARY_PATH, RTLD_NOW);
     if (adev->visualizer_lib == NULL) {
@@ -4733,6 +4730,7 @@
     audio_extn_snd_mon_register_listener(NULL, adev_snd_mon_cb);
     adev->card_status = CARD_STATUS_ONLINE;
     pthread_mutex_unlock(&adev->lock);
+    audio_extn_sound_trigger_init(adev);/* dependent on snd_mon_init() */
 
     ALOGD("%s: exit", __func__);
     return 0;
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 6d92d93..32c80c0 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -216,6 +216,8 @@
     [SND_DEVICE_OUT_AFE_PROXY] = "afe-proxy",
     [SND_DEVICE_OUT_USB_HEADSET] = "usb-headphones",
     [SND_DEVICE_OUT_USB_HEADPHONES] = "usb-headphones",
+    [SND_DEVICE_OUT_VOICE_USB_HEADSET] = "usb-headphones",
+    [SND_DEVICE_OUT_VOICE_USB_HEADPHONES] = "usb-headphones",
     [SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = "speaker-and-usb-headphones",
     [SND_DEVICE_OUT_SPEAKER_PROTECTED] = "speaker-protected",
     [SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED] = "voice-speaker-protected",
@@ -303,6 +305,8 @@
     [SND_DEVICE_OUT_VOICE_TX] = 45,
     [SND_DEVICE_OUT_AFE_PROXY] = 0,
     [SND_DEVICE_OUT_USB_HEADSET] = 45,
+    [SND_DEVICE_OUT_VOICE_USB_HEADSET] = 45,
+    [SND_DEVICE_OUT_VOICE_USB_HEADPHONES] = 45,
     [SND_DEVICE_OUT_USB_HEADPHONES] = 45,
     [SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = 14,
     [SND_DEVICE_OUT_SPEAKER_PROTECTED] = 124,
@@ -398,6 +402,8 @@
     {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TX)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_AFE_PROXY)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_USB_HEADSET)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_USB_HEADSET)},
+    {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_USB_HEADPHONES)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_USB_HEADPHONES)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET)},
     {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_PROTECTED)},
@@ -666,7 +672,9 @@
     backend_table[SND_DEVICE_IN_VOICE_RX] = strdup("afe-proxy");
     backend_table[SND_DEVICE_OUT_AFE_PROXY] = strdup("afe-proxy");
     backend_table[SND_DEVICE_OUT_USB_HEADSET] = strdup("usb-headphones");
+    backend_table[SND_DEVICE_OUT_VOICE_USB_HEADSET] = strdup("usb-headphones");
     backend_table[SND_DEVICE_OUT_USB_HEADPHONES] = strdup("usb-headphones");
+    backend_table[SND_DEVICE_OUT_VOICE_USB_HEADPHONES] = strdup("usb-headphones");
     backend_table[SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] =
         strdup("speaker-and-usb-headphones");
     backend_table[SND_DEVICE_IN_USB_HEADSET_MIC] = strdup("usb-headset-mic");
@@ -2335,3 +2343,25 @@
     return -ENOSYS;
 }
 
+int platform_set_sidetone(struct audio_device *adev,
+                          snd_device_t out_snd_device,
+                          bool enable, char *str)
+{
+    int ret;
+    if (out_snd_device == SND_DEVICE_OUT_USB_HEADSET ||
+        out_snd_device == SND_DEVICE_OUT_VOICE_USB_HEADSET) {
+            ret = audio_extn_usb_enable_sidetone(out_snd_device, enable);
+            if (ret)
+                ALOGI("%s: usb device %d does not support device sidetone\n",
+                  __func__, out_snd_device);
+    } else {
+        ALOGV("%s: sidetone out device(%d) mixer cmd = %s\n",
+              __func__, out_snd_device, str);
+
+        if (enable)
+            audio_route_apply_and_update_path(adev->audio_route, str);
+        else
+            audio_route_reset_and_update_path(adev->audio_route, str);
+    }
+    return 0;
+}
diff --git a/hal/msm8916/platform.h b/hal/msm8916/platform.h
index 69bfd62..c61331a 100644
--- a/hal/msm8916/platform.h
+++ b/hal/msm8916/platform.h
@@ -86,6 +86,8 @@
     SND_DEVICE_OUT_ANC_HANDSET,
     SND_DEVICE_OUT_SPEAKER_PROTECTED,
     SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED,
+    SND_DEVICE_OUT_VOICE_USB_HEADSET,
+    SND_DEVICE_OUT_VOICE_USB_HEADPHONES,
     SND_DEVICE_OUT_END,
 
     /*
diff --git a/hal/msm8960/platform.c b/hal/msm8960/platform.c
index cd7305d..53838a7 100644
--- a/hal/msm8960/platform.c
+++ b/hal/msm8960/platform.c
@@ -131,6 +131,11 @@
     [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = "voice-tty-full-headphones",
     [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = "voice-tty-vco-headphones",
     [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = "voice-tty-hco-handset",
+    [SND_DEVICE_OUT_USB_HEADSET] = "usb-headset",
+    [SND_DEVICE_OUT_USB_HEADPHONES] = "usb-headphones",
+    [SND_DEVICE_OUT_VOICE_USB_HEADSET] = "usb-headset",
+    [SND_DEVICE_OUT_VOICE_USB_HEADPHONES] = "usb-headphones",
+
 
     /* Capture sound devices */
     [SND_DEVICE_IN_HANDSET_MIC] = "handset-mic",
@@ -180,6 +185,10 @@
     [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = 17,
     [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = 17,
     [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = 37,
+    [SND_DEVICE_OUT_USB_HEADSET] = 45,
+    [SND_DEVICE_OUT_USB_HEADPHONES] = 45,
+    [SND_DEVICE_OUT_VOICE_USB_HEADSET] = 45,
+    [SND_DEVICE_OUT_VOICE_USB_HEADPHONES] = 45,
 
     [SND_DEVICE_IN_HANDSET_MIC] = 4,
     [SND_DEVICE_IN_SPEAKER_MIC] = 4,
@@ -1169,3 +1178,25 @@
 int platform_get_snd_device_backend_index(snd_device_t snd_device) {
     return -ENOSYS;
 }
+
+int platform_set_sidetone(struct audio_device *adev,
+                          snd_device_t out_snd_device,
+                          bool enable, char *str)
+{
+    int ret;
+    if (out_snd_device == SND_DEVICE_OUT_USB_HEADSET ||
+        out_snd_device == SND_DEVICE_OUT_VOICE_USB_HEADSET) {
+            ret = audio_extn_usb_enable_sidetone(out_snd_device, enable);
+            if (ret)
+                ALOGI("%s: usb device %d does not support device sidetone\n",
+                  __func__, out_snd_device);
+    } else {
+        ALOGV("%s: sidetone out device(%d) mixer cmd = %s\n",
+              __func__, out_snd_device, str);
+        if (enable)
+            audio_route_apply_and_update_path(adev->audio_route, str);
+        else
+            audio_route_reset_and_update_path(adev->audio_route, str);
+    }
+    return 0;
+}
diff --git a/hal/msm8960/platform.h b/hal/msm8960/platform.h
index 1276b73..6fe8cb5 100644
--- a/hal/msm8960/platform.h
+++ b/hal/msm8960/platform.h
@@ -53,6 +53,10 @@
     SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES,
     SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES,
     SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET,
+    SND_DEVICE_OUT_USB_HEADSET,
+    SND_DEVICE_OUT_USB_HEADPHONES,
+    SND_DEVICE_OUT_VOICE_USB_HEADSET,
+    SND_DEVICE_OUT_VOICE_USB_HEADPHONES,
     SND_DEVICE_OUT_END,
 
     /*
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 58f7927..1b0bc20 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -732,8 +732,8 @@
     int mode = CAL_MODE_RTAC;
     struct listnode *node;
     struct audio_usecase *usecase;
-    bool valid_uc_type = false;
-    bool valid_dev = false;
+    bool valid_uc_type;
+    bool valid_dev;
 
     if (my_data->acdb_send_gain_dep_cal == NULL) {
         ALOGE("%s: dlsym error for acdb_send_gain_dep_cal", __func__);
@@ -748,12 +748,17 @@
         // find the current active sound device
         list_for_each(node, &adev->usecase_list) {
             usecase = node_to_item(node, struct audio_usecase, list);
-            valid_uc_type =  usecase->type == PCM_PLAYBACK;
-            audio_devices_t dev = usecase->stream.out->devices;
-            valid_dev = (dev == AUDIO_DEVICE_OUT_SPEAKER ||
-                         dev == AUDIO_DEVICE_OUT_WIRED_HEADSET ||
-                         dev == AUDIO_DEVICE_OUT_WIRED_HEADPHONE);
-             if (usecase != NULL && valid_uc_type && valid_dev) {
+            LOG_ALWAYS_FATAL_IF(usecase == NULL,
+                                "unxpected NULL usecase in usecase_list");
+            valid_uc_type = usecase->type == PCM_PLAYBACK;
+            valid_dev = false;
+            if (valid_uc_type) {
+                audio_devices_t dev = usecase->stream.out->devices;
+                valid_dev = (dev == AUDIO_DEVICE_OUT_SPEAKER ||
+                             dev == AUDIO_DEVICE_OUT_WIRED_HEADSET ||
+                             dev == AUDIO_DEVICE_OUT_WIRED_HEADPHONE);
+            }
+            if (valid_dev) {
                  ALOGV("%s: out device is %d", __func__,  usecase->out_snd_device);
                  if (audio_extn_spkr_prot_is_enabled()) {
                     acdb_dev_id = audio_extn_spkr_prot_get_acdb_id(usecase->out_snd_device);
@@ -1068,7 +1073,20 @@
     hw_interface_table[SND_DEVICE_IN_HEADSET_MIC] = strdup("SLIMBUS_0_TX");
     hw_interface_table[SND_DEVICE_IN_UNPROCESSED_MIC] = strdup("SLIMBUS_0_TX");
     hw_interface_table[SND_DEVICE_IN_CAMCORDER_MIC] = strdup("SLIMBUS_0_TX");
-
+    hw_interface_table[SND_DEVICE_IN_VOICE_REC_MIC] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_VOICE_REC_MIC_NS] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_VOICE_REC_DMIC_STEREO] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_SPEAKER_MIC] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_SPEAKER_MIC_AEC] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_SPEAKER_MIC_NS] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_SPEAKER_MIC_AEC_NS] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_SPEAKER_DMIC] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_SPEAKER_DMIC_AEC] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_SPEAKER_DMIC_NS] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_VOICE_SPEAKER_MIC] = strdup("SLIMBUS_0_TX");
+    hw_interface_table[SND_DEVICE_IN_VOICE_HEADSET_MIC] = strdup("SLIMBUS_0_TX");
     my_data->max_mic_count = PLATFORM_DEFAULT_MIC_COUNT;
 }
 
@@ -3010,6 +3028,8 @@
         ALOGV("%s: max_mic_count %s/%d", __func__, value, my_data->max_mic_count);
     }
 
+    // to-do: disable setting sidetone gain, will revist this later
+    // audio_extn_usb_set_sidetone_gain(parms, value, len);
 done:
     ALOGV("%s: exit with code(%d)", __func__, ret);
     if (kv_pairs != NULL)
@@ -3995,3 +4015,25 @@
     }
     return 0;
 }
+
+int platform_set_sidetone(struct audio_device *adev,
+                          snd_device_t out_snd_device,
+                          bool enable, char *str)
+{
+    int ret;
+    if (out_snd_device == SND_DEVICE_OUT_USB_HEADSET ||
+        out_snd_device == SND_DEVICE_OUT_VOICE_USB_HEADSET) {
+            ret = audio_extn_usb_enable_sidetone(out_snd_device, enable);
+            if (ret)
+                ALOGI("%s: usb device %d does not support device sidetone\n",
+                  __func__, out_snd_device);
+    } else {
+        ALOGV("%s: sidetone out device(%d) mixer cmd = %s\n",
+              __func__, out_snd_device, str);
+        if (enable)
+            audio_route_apply_and_update_path(adev->audio_route, str);
+        else
+            audio_route_reset_and_update_path(adev->audio_route, str);
+    }
+    return 0;
+}
diff --git a/hal/platform_api.h b/hal/platform_api.h
index 98e4223..bca3e2b 100644
--- a/hal/platform_api.h
+++ b/hal/platform_api.h
@@ -142,4 +142,7 @@
                            const char *mode,
                            int bw, int app_type, int max_sr);
 int platform_get_snd_device_backend_index(snd_device_t snd_device);
+int platform_set_sidetone(struct audio_device *adev,
+                          snd_device_t out_snd_device,
+                          bool enable, char * str);
 #endif // AUDIO_PLATFORM_API_H
diff --git a/hal/voice.c b/hal/voice.c
index 611d875..6f16137 100644
--- a/hal/voice.c
+++ b/hal/voice.c
@@ -68,7 +68,13 @@
     case SND_DEVICE_OUT_VOICE_HEADPHONES:
         strlcpy(mixer_path, "sidetone-headphones", MIXER_PATH_MAX_LENGTH);
         break;
+    case SND_DEVICE_OUT_VOICE_USB_HEADSET:
+    case SND_DEVICE_OUT_USB_HEADSET:
+        // USB does not use a QC mixer.
+        mixer_path[0] = '\0';
+        break;
     default:
+        ALOGW("%s: %d is not a sidetone device", __func__, out_device);
         is_sidetone_dev = false;
         break;
     }
@@ -86,21 +92,8 @@
           __func__, (enable ? "enable" : "disable"),
           out_snd_device);
 
-    is_sidetone_dev = voice_is_sidetone_device(out_snd_device, mixer_path);
-
-    if (!is_sidetone_dev) {
-        ALOGD("%s: device %d does not support sidetone\n",
-              __func__, out_snd_device);
-        return;
-    }
-
-    ALOGD("%s: sidetone out device = %s\n",
-          __func__, mixer_path);
-
-    if (enable)
-        audio_route_apply_and_update_path(adev->audio_route, mixer_path);
-    else
-        audio_route_reset_and_update_path(adev->audio_route, mixer_path);
+    if (voice_is_sidetone_device(out_snd_device, mixer_path))
+        platform_set_sidetone(adev, out_snd_device, enable, mixer_path);
 
     return;
 }