45     struct voice_session *session = NULL;  in voice_get_session_from_use_case()  local
48     ret = voice_extn_get_session_from_use_case(adev, usecase_id, &session);  in voice_get_session_from_use_case()
50         session = &adev->voice.session[VOICE_SESS_IDX];  in voice_get_session_from_use_case()
53     return session;  in voice_get_session_from_use_case()
106     struct voice_session *session = NULL;  in voice_stop_usecase()  local
110     session = (struct voice_session *)voice_get_session_from_use_case(adev, usecase_id);  in voice_stop_usecase()
119     session->state.current = CALL_INACTIVE;  in voice_stop_usecase()
125     ret = platform_stop_voice_call(adev->platform, session->vsid);  in voice_stop_usecase()
128     if (session->pcm_rx) {  in voice_stop_usecase()
129         pcm_close(session->pcm_rx);  in voice_stop_usecase()
130         session->pcm_rx = NULL;  in voice_stop_usecase()
132     if (session->pcm_tx) {  in voice_stop_usecase()
133         pcm_close(session->pcm_tx);  in voice_stop_usecase()
134         session->pcm_tx = NULL;  in voice_stop_usecase()
161     struct voice_session *session = NULL;  in voice_start_usecase()  local
166     session = (struct voice_session *)voice_get_session_from_use_case(adev, usecase_id);  in voice_start_usecase()
192     session->pcm_tx = pcm_open(adev->snd_card,  in voice_start_usecase()
195     if (session->pcm_tx && !pcm_is_ready(session->pcm_tx)) {  in voice_start_usecase()
196         ALOGE("%s: %s", __func__, pcm_get_error(session->pcm_tx));  in voice_start_usecase()
203     session->pcm_rx = pcm_open(adev->snd_card,  in voice_start_usecase()
206     if (session->pcm_rx && !pcm_is_ready(session->pcm_rx)) {  in voice_start_usecase()
207         ALOGE("%s: %s", __func__, pcm_get_error(session->pcm_rx));  in voice_start_usecase()
215     ret = pcm_start(session->pcm_tx);  in voice_start_usecase()
219     ret = pcm_start(session->pcm_rx);  in voice_start_usecase()
231     ret = platform_start_voice_call(adev->platform, session->vsid);  in voice_start_usecase()
237     session->state.current = CALL_ACTIVE;  in voice_start_usecase()
255 …    call_state = (adev->voice.session[VOICE_SESS_IDX].state.current == CALL_ACTIVE) ? true : false;  in voice_is_call_state_active()
556         adev->voice.session[i].pcm_rx = NULL;  in voice_init()
557         adev->voice.session[i].pcm_tx = NULL;  in voice_init()
558         adev->voice.session[i].state.current = CALL_INACTIVE;  in voice_init()
559         adev->voice.session[i].state.new = CALL_INACTIVE;  in voice_init()
560         adev->voice.session[i].vsid = VOICE_VSID;  in voice_init()