88 	struct uac_rtd_params *prm = ur->pp;  in u_audio_iso_complete()  local
89 	struct snd_uac_chip *uac = prm->uac;  in u_audio_iso_complete()
92 	if (!prm->ep_enabled || req->status == -ESHUTDOWN)  in u_audio_iso_complete()
103 	substream = prm->ss;  in u_audio_iso_complete()
117 	spin_lock_irqsave(&prm->lock, flags);  in u_audio_iso_complete()
143 	hw_ptr = prm->hw_ptr;  in u_audio_iso_complete()
145 	spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_iso_complete()
170 	spin_lock_irqsave(&prm->lock, flags);  in u_audio_iso_complete()
172 	prm->hw_ptr = (hw_ptr + req->actual) % runtime->dma_bytes;  in u_audio_iso_complete()
173 	hw_ptr = prm->hw_ptr;  in u_audio_iso_complete()
174 	spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_iso_complete()
188 	struct uac_rtd_params *prm;  in uac_pcm_trigger()  local
198 		prm = &uac->p_prm;  in uac_pcm_trigger()
200 		prm = &uac->c_prm;  in uac_pcm_trigger()
202 	spin_lock_irqsave(&prm->lock, flags);  in uac_pcm_trigger()
205 	prm->hw_ptr = 0;  in uac_pcm_trigger()
210 		prm->ss = substream;  in uac_pcm_trigger()
214 		prm->ss = NULL;  in uac_pcm_trigger()
220 	spin_unlock_irqrestore(&prm->lock, flags);  in uac_pcm_trigger()
223 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && !prm->ss)  in uac_pcm_trigger()
224 		memset(prm->rbuf, 0, prm->max_psize * params->req_number);  in uac_pcm_trigger()
232 	struct uac_rtd_params *prm;  in uac_pcm_pointer()  local
235 		prm = &uac->p_prm;  in uac_pcm_pointer()
237 		prm = &uac->c_prm;  in uac_pcm_pointer()
239 	return bytes_to_frames(substream->runtime, prm->hw_ptr);  in uac_pcm_pointer()
337 static inline void free_ep(struct uac_rtd_params *prm, struct usb_ep *ep)  in free_ep()  argument
339 	struct snd_uac_chip *uac = prm->uac;  in free_ep()
344 	if (!prm->ep_enabled)  in free_ep()
347 	prm->ep_enabled = false;  in free_ep()
353 		if (prm->ureq[i].req) {  in free_ep()
354 			usb_ep_dequeue(ep, prm->ureq[i].req);  in free_ep()
355 			usb_ep_free_request(ep, prm->ureq[i].req);  in free_ep()
356 			prm->ureq[i].req = NULL;  in free_ep()
372 	struct uac_rtd_params *prm;  in u_audio_start_capture()  local
377 	prm = &uac->c_prm;  in u_audio_start_capture()
379 	req_len = prm->max_psize;  in u_audio_start_capture()
381 	prm->ep_enabled = true;  in u_audio_start_capture()
385 		if (!prm->ureq[i].req) {  in u_audio_start_capture()
390 			prm->ureq[i].req = req;  in u_audio_start_capture()
391 			prm->ureq[i].pp = prm;  in u_audio_start_capture()
394 			req->context = &prm->ureq[i];  in u_audio_start_capture()
397 			req->buf = prm->rbuf + i * prm->max_psize;  in u_audio_start_capture()
400 		if (usb_ep_queue(ep, prm->ureq[i].req, GFP_ATOMIC))  in u_audio_start_capture()
423 	struct uac_rtd_params *prm;  in u_audio_start_playback()  local
430 	prm = &uac->p_prm;  in u_audio_start_playback()
447 				prm->max_psize);  in u_audio_start_playback()
449 	if (uac->p_pktsize < prm->max_psize)  in u_audio_start_playback()
457 	prm->ep_enabled = true;  in u_audio_start_playback()
461 		if (!prm->ureq[i].req) {  in u_audio_start_playback()
466 			prm->ureq[i].req = req;  in u_audio_start_playback()
467 			prm->ureq[i].pp = prm;  in u_audio_start_playback()
470 			req->context = &prm->ureq[i];  in u_audio_start_playback()
473 			req->buf = prm->rbuf + i * prm->max_psize;  in u_audio_start_playback()
476 		if (usb_ep_queue(ep, prm->ureq[i].req, GFP_ATOMIC))  in u_audio_start_playback()
516 		struct uac_rtd_params *prm = &uac->c_prm;  in g_audio_setup()  local
519 		prm->max_psize = g_audio->out_ep_maxpsize;  in g_audio_setup()
521 		prm->ureq = kcalloc(params->req_number, sizeof(struct uac_req),  in g_audio_setup()
523 		if (!prm->ureq) {  in g_audio_setup()
528 		prm->rbuf = kcalloc(params->req_number, prm->max_psize,  in g_audio_setup()
530 		if (!prm->rbuf) {  in g_audio_setup()
531 			prm->max_psize = 0;  in g_audio_setup()
538 		struct uac_rtd_params *prm = &uac->p_prm;  in g_audio_setup()  local
541 		prm->max_psize = g_audio->in_ep_maxpsize;  in g_audio_setup()
543 		prm->ureq = kcalloc(params->req_number, sizeof(struct uac_req),  in g_audio_setup()
545 		if (!prm->ureq) {  in g_audio_setup()
550 		prm->rbuf = kcalloc(params->req_number, prm->max_psize,  in g_audio_setup()
552 		if (!prm->rbuf) {  in g_audio_setup()
553 			prm->max_psize = 0;  in g_audio_setup()