829         in->pcm = pcm_open(adev->snd_card, in->pcm_device_id,  in start_input_stream()
831         if (in->pcm == NULL || !pcm_is_ready(in->pcm)) {  in start_input_stream()
832             ALOGE("%s: %s", __func__, pcm_get_error(in->pcm));  in start_input_stream()
833             if (in->pcm != NULL) {  in start_input_stream()
834                 pcm_close(in->pcm);  in start_input_stream()
835                 in->pcm = NULL;  in start_input_stream()
848     pcm_prepare(in->pcm);  in start_input_stream()
1189             out->pcm = pcm_open(adev->snd_card, out->pcm_device_id,  in start_output_stream()
1191             if (out->pcm == NULL || !pcm_is_ready(out->pcm)) {  in start_output_stream()
1192                 ALOGE("%s: %s", __func__, pcm_get_error(out->pcm));  in start_output_stream()
1193                 if (out->pcm != NULL) {  in start_output_stream()
1194                     pcm_close(out->pcm);  in start_output_stream()
1195                     out->pcm = NULL;  in start_output_stream()
1207         if (pcm_is_ready(out->pcm))  in start_output_stream()
1208             pcm_prepare(out->pcm);  in start_output_stream()
1211         out->pcm = NULL;  in start_output_stream()
1359             if (out->pcm) {  in out_standby()
1360                 pcm_close(out->pcm);  in out_standby()
1361                 out->pcm = NULL;  in out_standby()
1655         if (out->pcm) {  in out_write()
1664                 ret = pcm_mmap_write(out->pcm, (void *)buffer, bytes);  in out_write()
1667                 ret = pcm_write(out->pcm, (void *)buffer, bytes);  in out_write()
1681         if (out->pcm)  in out_write()
1682             ALOGE("%s: error %zu - %s", __func__, ret, pcm_get_error(out->pcm));  in out_write()
1748         if (out->pcm) {  in out_get_presentation_position()
1750             if (pcm_get_htimestamp(out->pcm, &avail, timestamp) == 0) {  in out_get_presentation_position()
1906         if (in->pcm) {  in in_standby()
1907             pcm_close(in->pcm);  in in_standby()
1908             in->pcm = NULL;  in in_standby()
2014     if (in->pcm) {  in in_read()
2016             ret = pcm_mmap_read(in->pcm, buffer, bytes);  in in_read()
2018             ret = pcm_read(in->pcm, buffer, bytes);  in in_read()