33 	struct snd_uac_chip *uac; /* parent chip */  member
89 	struct snd_uac_chip *uac = prm->uac;  in u_audio_iso_complete()  local
126 		req->length = uac->p_pktsize;  in u_audio_iso_complete()
127 		uac->p_residue += uac->p_pktsize_residue;  in u_audio_iso_complete()
134 		if (uac->p_residue / uac->p_interval >= uac->p_framesize) {  in u_audio_iso_complete()
135 			req->length += uac->p_framesize;  in u_audio_iso_complete()
136 			uac->p_residue -= uac->p_framesize *  in u_audio_iso_complete()
137 					   uac->p_interval;  in u_audio_iso_complete()
182 		dev_err(uac->card->dev, "%d Error!\n", __LINE__);  in u_audio_iso_complete()
187 	struct snd_uac_chip *uac = snd_pcm_substream_chip(substream);  in uac_pcm_trigger()  local
194 	audio_dev = uac->audio_dev;  in uac_pcm_trigger()
198 		prm = &uac->p_prm;  in uac_pcm_trigger()
200 		prm = &uac->c_prm;  in uac_pcm_trigger()
231 	struct snd_uac_chip *uac = snd_pcm_substream_chip(substream);  in uac_pcm_pointer()  local
235 		prm = &uac->p_prm;  in uac_pcm_pointer()
237 		prm = &uac->c_prm;  in uac_pcm_pointer()
256 	struct snd_uac_chip *uac = snd_pcm_substream_chip(substream);  in uac_pcm_open()  local
264 	audio_dev = uac->audio_dev;  in uac_pcm_open()
272 	uac->p_residue = 0;  in uac_pcm_open()
277 		spin_lock_init(&uac->p_prm.lock);  in uac_pcm_open()
291 		runtime->hw.period_bytes_min = 2 * uac->p_prm.max_psize  in uac_pcm_open()
294 		spin_lock_init(&uac->c_prm.lock);  in uac_pcm_open()
308 		runtime->hw.period_bytes_min = 2 * uac->c_prm.max_psize  in uac_pcm_open()
339 	struct snd_uac_chip *uac = prm->uac;  in free_ep()  local
349 	audio_dev = uac->audio_dev;  in free_ep()
361 		dev_err(uac->card->dev, "%s:%d Error!\n", __func__, __LINE__);  in free_ep()
367 	struct snd_uac_chip *uac = audio_dev->uac;  in u_audio_start_capture()  local
377 	prm = &uac->c_prm;  in u_audio_start_capture()
410 	struct snd_uac_chip *uac = audio_dev->uac;  in u_audio_stop_capture()  local
412 	free_ep(&uac->c_prm, audio_dev->out_ep);  in u_audio_stop_capture()
418 	struct snd_uac_chip *uac = audio_dev->uac;  in u_audio_start_playback()  local
430 	prm = &uac->p_prm;  in u_audio_start_playback()
442 	uac->p_framesize = params->p_ssize *  in u_audio_start_playback()
444 	rate = params->p_srate * uac->p_framesize;  in u_audio_start_playback()
445 	uac->p_interval = factor / (1 << (ep_desc->bInterval - 1));  in u_audio_start_playback()
446 	uac->p_pktsize = min_t(unsigned int, rate / uac->p_interval,  in u_audio_start_playback()
449 	if (uac->p_pktsize < prm->max_psize)  in u_audio_start_playback()
450 		uac->p_pktsize_residue = rate % uac->p_interval;  in u_audio_start_playback()
452 		uac->p_pktsize_residue = 0;  in u_audio_start_playback()
454 	req_len = uac->p_pktsize;  in u_audio_start_playback()
455 	uac->p_residue = 0;  in u_audio_start_playback()
486 	struct snd_uac_chip *uac = audio_dev->uac;  in u_audio_stop_playback()  local
488 	free_ep(&uac->p_prm, audio_dev->in_ep);  in u_audio_stop_playback()
495 	struct snd_uac_chip *uac;  in g_audio_setup()  local
505 	uac = kzalloc(sizeof(*uac), GFP_KERNEL);  in g_audio_setup()
506 	if (!uac)  in g_audio_setup()
508 	g_audio->uac = uac;  in g_audio_setup()
509 	uac->audio_dev = g_audio;  in g_audio_setup()
516 		struct uac_rtd_params *prm = &uac->c_prm;  in g_audio_setup()
518 		uac->c_prm.uac = uac;  in g_audio_setup()
538 		struct uac_rtd_params *prm = &uac->p_prm;  in g_audio_setup()
540 		uac->p_prm.uac = uac;  in g_audio_setup()
565 	uac->card = card;  in g_audio_setup()
571 	err = snd_pcm_new(uac->card, pcm_name, 0,  in g_audio_setup()
577 	pcm->private_data = uac;  in g_audio_setup()
578 	uac->pcm = pcm;  in g_audio_setup()
598 	kfree(uac->p_prm.ureq);  in g_audio_setup()
599 	kfree(uac->c_prm.ureq);  in g_audio_setup()
600 	kfree(uac->p_prm.rbuf);  in g_audio_setup()
601 	kfree(uac->c_prm.rbuf);  in g_audio_setup()
602 	kfree(uac);  in g_audio_setup()
610 	struct snd_uac_chip *uac;  in g_audio_cleanup()  local
613 	if (!g_audio || !g_audio->uac)  in g_audio_cleanup()
616 	uac = g_audio->uac;  in g_audio_cleanup()
617 	card = uac->card;  in g_audio_cleanup()
621 	kfree(uac->p_prm.ureq);  in g_audio_cleanup()
622 	kfree(uac->c_prm.ureq);  in g_audio_cleanup()
623 	kfree(uac->p_prm.rbuf);  in g_audio_cleanup()
624 	kfree(uac->c_prm.rbuf);  in g_audio_cleanup()
625 	kfree(uac);  in g_audio_cleanup()