83         elem(0),  in mixer_info_t()
90     snd_mixer_elem_t *elem;  member
180         for (snd_mixer_elem_t *elem = snd_mixer_first_elem(mMixer[i]);  in ALSAMixer()  local
181              elem;  in ALSAMixer()
182              elem = snd_mixer_elem_next(elem)) {  in ALSAMixer()
184             if (!snd_mixer_selem_is_active(elem))  in ALSAMixer()
187             snd_mixer_selem_get_id(elem, sid);  in ALSAMixer()
192             if (info->elem == NULL &&  in ALSAMixer()
194                 hasVolume[i] (elem)) {  in ALSAMixer()
196                 info->elem = elem;  in ALSAMixer()
197                 getVolumeRange[i] (elem, &info->min, &info->max);  in ALSAMixer()
199                 setVol[i] (elem, info->volume);  in ALSAMixer()
201                     snd_mixer_selem_has_playback_switch (elem))  in ALSAMixer()
202                     snd_mixer_selem_set_playback_switch_all (elem, 1);  in ALSAMixer()
207         ALOGV("Mixer: master '%s' %s.", info->name, info->elem ? "found" : "not found");  in ALSAMixer()
217             for (snd_mixer_elem_t *elem = snd_mixer_first_elem(mMixer[i]);  in ALSAMixer()  local
218                  elem;  in ALSAMixer()
219                  elem = snd_mixer_elem_next(elem)) {  in ALSAMixer()
221                 if (!snd_mixer_selem_is_active(elem))  in ALSAMixer()
224                 snd_mixer_selem_get_id(elem, sid);  in ALSAMixer()
229                if (info->elem == NULL &&  in ALSAMixer()
231                     hasVolume[i] (elem)) {  in ALSAMixer()
233                     info->elem = elem;  in ALSAMixer()
234                     getVolumeRange[i] (elem, &info->min, &info->max);  in ALSAMixer()
236                     setVol[i] (elem, info->volume);  in ALSAMixer()
238                         snd_mixer_selem_has_playback_switch (elem))  in ALSAMixer()
239                         snd_mixer_selem_set_playback_switch_all (elem, 1);  in ALSAMixer()
243             ALOGV("Mixer: route '%s' %s.", info->name, info->elem ? "found" : "not found");  in ALSAMixer()
270     if (!info || !info->elem) return INVALID_OPERATION;  in setMasterVolume()
281     snd_mixer_selem_set_playback_volume_all (info->elem, vol);  in setMasterVolume()
289     if (!info || !info->elem) return INVALID_OPERATION;  in setMasterGain()
300     snd_mixer_selem_set_capture_volume_all (info->elem, vol);  in setMasterGain()
311             if (!info || !info->elem) return INVALID_OPERATION;  in setVolume()
322             snd_mixer_selem_set_playback_volume_all (info->elem, vol);  in setVolume()
334             if (!info || !info->elem) return INVALID_OPERATION;  in setGain()
345             snd_mixer_selem_set_capture_volume_all (info->elem, vol);  in setGain()
357             if (!info || !info->elem) return INVALID_OPERATION;  in setCaptureMuteState()
359             if (snd_mixer_selem_has_capture_switch (info->elem)) {  in setCaptureMuteState()
361 …           int err = snd_mixer_selem_set_capture_switch_all (info->elem, static_cast<int>(!state));  in setCaptureMuteState()
383             if (!info || !info->elem) return INVALID_OPERATION;  in getCaptureMuteState()
398             if (!info || !info->elem) return INVALID_OPERATION;  in setPlaybackMuteState()
400             if (snd_mixer_selem_has_playback_switch (info->elem)) {  in setPlaybackMuteState()
402 …          int err = snd_mixer_selem_set_playback_switch_all (info->elem, static_cast<int>(!state));  in setPlaybackMuteState()
424             if (!info || !info->elem) return INVALID_OPERATION;  in getPlaybackMuteState()