106     proxy->pcm = NULL;  in proxy_prepare()
139     proxy->pcm = pcm_open(profile->card, profile->device,  in proxy_open()
141     if (proxy->pcm == NULL) {  in proxy_open()
145     if (!pcm_is_ready(proxy->pcm)) {  in proxy_open()
146         ALOGE("  proxy_open() pcm_is_ready() failed: %s", pcm_get_error(proxy->pcm));  in proxy_open()
150         pcm_close(proxy->pcm);  in proxy_open()
151         proxy->pcm = NULL;  in proxy_open()
160     ALOGV("proxy_close() [pcm:%p]", proxy->pcm);  in proxy_close()
162     if (proxy->pcm != NULL) {  in proxy_close()
163         pcm_close(proxy->pcm);  in proxy_close()
164         proxy->pcm = NULL;  in proxy_close()
216     if (proxy->pcm != NULL  in proxy_get_presentation_position()
217             && pcm_get_htimestamp(proxy->pcm, &avail, timestamp) == 0) {  in proxy_get_presentation_position()
243     if (proxy->pcm != NULL  in proxy_get_capture_position()
244             && pcm_get_htimestamp(proxy->pcm, &avail, &timestamp) == 0) {  in proxy_get_capture_position()
263     int ret = pcm_write(proxy->pcm, data, count);  in proxy_write()
272     int ret = pcm_read(proxy->pcm, data, count);  in proxy_read()
302     struct pcm * alsa_pcm;  in proxy_scan_rates()