156 	struct uac_rtd_params *prm = req->context;  in u_audio_iso_complete()  local
157 	struct snd_uac_chip *uac = prm->uac;  in u_audio_iso_complete()
163 	if (!prm->ep_enabled) {  in u_audio_iso_complete()
179 	substream = prm->ss;  in u_audio_iso_complete()
202 		pitched_rate_mil = (unsigned long long) prm->srate * prm->pitch;  in u_audio_iso_complete()
209 				prm->srate, prm->pitch, p_interval_mil, frames);  in u_audio_iso_complete()
242 	hw_ptr = prm->hw_ptr;  in u_audio_iso_complete()
268 	prm->hw_ptr = (hw_ptr + req->actual) % runtime->dma_bytes;  in u_audio_iso_complete()
269 	hw_ptr = prm->hw_ptr;  in u_audio_iso_complete()
283 	struct uac_rtd_params *prm = req->context;  in u_audio_iso_fback_complete()  local
284 	struct snd_uac_chip *uac = prm->uac;  in u_audio_iso_fback_complete()
289 	if (!prm->fb_ep_enabled) {  in u_audio_iso_fback_complete()
307 				    prm->srate, prm->pitch,  in u_audio_iso_fback_complete()
317 	struct uac_rtd_params *prm;  in uac_pcm_trigger()  local
326 		prm = &uac->p_prm;  in uac_pcm_trigger()
328 		prm = &uac->c_prm;  in uac_pcm_trigger()
331 	prm->hw_ptr = 0;  in uac_pcm_trigger()
336 		prm->ss = substream;  in uac_pcm_trigger()
340 		prm->ss = NULL;  in uac_pcm_trigger()
347 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && !prm->ss)  in uac_pcm_trigger()
348 		memset(prm->rbuf, 0, prm->max_psize * params->req_number);  in uac_pcm_trigger()
356 	struct uac_rtd_params *prm;  in uac_pcm_pointer()  local
359 		prm = &uac->p_prm;  in uac_pcm_pointer()
361 		prm = &uac->c_prm;  in uac_pcm_pointer()
363 	return bytes_to_frames(substream->runtime, prm->hw_ptr);  in uac_pcm_pointer()
391 	struct uac_rtd_params *prm;  in uac_pcm_open()  local
408 		prm = &uac->p_prm;  in uac_pcm_open()
412 		prm = &uac->c_prm;  in uac_pcm_open()
415 	runtime->hw.period_bytes_min = 2 * prm->max_psize  in uac_pcm_open()
417 	runtime->hw.rate_min = prm->srate;  in uac_pcm_open()
440 static inline void free_ep(struct uac_rtd_params *prm, struct usb_ep *ep)  in free_ep()  argument
442 	struct snd_uac_chip *uac = prm->uac;  in free_ep()
447 	if (!prm->ep_enabled)  in free_ep()
454 		if (prm->reqs[i]) {  in free_ep()
455 			if (usb_ep_dequeue(ep, prm->reqs[i]))  in free_ep()
456 				usb_ep_free_request(ep, prm->reqs[i]);  in free_ep()
463 			prm->reqs[i] = NULL;  in free_ep()
467 	prm->ep_enabled = false;  in free_ep()
473 static inline void free_ep_fback(struct uac_rtd_params *prm, struct usb_ep *ep)  in free_ep_fback()  argument
475 	struct snd_uac_chip *uac = prm->uac;  in free_ep_fback()
477 	if (!prm->fb_ep_enabled)  in free_ep_fback()
480 	if (prm->req_fback) {  in free_ep_fback()
481 		if (usb_ep_dequeue(ep, prm->req_fback)) {  in free_ep_fback()
482 			kfree(prm->req_fback->buf);  in free_ep_fback()
483 			usb_ep_free_request(ep, prm->req_fback);  in free_ep_fback()
485 		prm->req_fback = NULL;  in free_ep_fback()
488 	prm->fb_ep_enabled = false;  in free_ep_fback()
494 static void set_active(struct uac_rtd_params *prm, bool active)  in set_active()  argument
497 	struct snd_kcontrol *kctl = prm->snd_kctl_rate;  in set_active()
500 	spin_lock_irqsave(&prm->lock, flags);  in set_active()
501 	if (prm->active != active) {  in set_active()
502 		prm->active = active;  in set_active()
503 		snd_ctl_notify(prm->uac->card, SNDRV_CTL_EVENT_MASK_VALUE,  in set_active()
506 	spin_unlock_irqrestore(&prm->lock, flags);  in set_active()
513 	struct uac_rtd_params *prm;  in u_audio_set_capture_srate()  local
518 	prm = &uac->c_prm;  in u_audio_set_capture_srate()
521 			spin_lock_irqsave(&prm->lock, flags);  in u_audio_set_capture_srate()
522 			prm->srate = srate;  in u_audio_set_capture_srate()
523 			spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_set_capture_srate()
537 	struct uac_rtd_params *prm;  in u_audio_get_capture_srate()  local
540 	prm = &uac->c_prm;  in u_audio_get_capture_srate()
541 	spin_lock_irqsave(&prm->lock, flags);  in u_audio_get_capture_srate()
542 	*val = prm->srate;  in u_audio_get_capture_srate()
543 	spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_get_capture_srate()
552 	struct uac_rtd_params *prm;  in u_audio_set_playback_srate()  local
557 	prm = &uac->p_prm;  in u_audio_set_playback_srate()
560 			spin_lock_irqsave(&prm->lock, flags);  in u_audio_set_playback_srate()
561 			prm->srate = srate;  in u_audio_set_playback_srate()
562 			spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_set_playback_srate()
576 	struct uac_rtd_params *prm;  in u_audio_get_playback_srate()  local
579 	prm = &uac->p_prm;  in u_audio_get_playback_srate()
580 	spin_lock_irqsave(&prm->lock, flags);  in u_audio_get_playback_srate()
581 	*val = prm->srate;  in u_audio_get_playback_srate()
582 	spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_get_playback_srate()
594 	struct uac_rtd_params *prm;  in u_audio_start_capture()  local
598 	prm = &uac->c_prm;  in u_audio_start_capture()
599 	dev_dbg(dev, "start capture with rate %d\n", prm->srate);  in u_audio_start_capture()
604 	prm->ep_enabled = true;  in u_audio_start_capture()
608 		if (!prm->reqs[i]) {  in u_audio_start_capture()
613 			prm->reqs[i] = req;  in u_audio_start_capture()
616 			req->context = prm;  in u_audio_start_capture()
619 			req->buf = prm->rbuf + i * ep->maxpacket;  in u_audio_start_capture()
622 		if (usb_ep_queue(ep, prm->reqs[i], GFP_ATOMIC))  in u_audio_start_capture()
634 	prm->fb_ep_enabled = true;  in u_audio_start_capture()
642 	prm->req_fback = req_fback;  in u_audio_start_capture()
644 	req_fback->context = prm;  in u_audio_start_capture()
657 	prm->pitch = 1000000;  in u_audio_start_capture()
659 				    prm->srate, prm->pitch,  in u_audio_start_capture()
687 	struct uac_rtd_params *prm;  in u_audio_start_playback()  local
694 	prm = &uac->p_prm;  in u_audio_start_playback()
695 	dev_dbg(dev, "start playback with rate %d\n", prm->srate);  in u_audio_start_playback()
703 	prm->pitch = 1000000;  in u_audio_start_playback()
717 					(prm->srate / uac->p_interval),  in u_audio_start_playback()
723 	prm->ep_enabled = true;  in u_audio_start_playback()
727 		if (!prm->reqs[i]) {  in u_audio_start_playback()
732 			prm->reqs[i] = req;  in u_audio_start_playback()
735 			req->context = prm;  in u_audio_start_playback()
738 			req->buf = prm->rbuf + i * ep->maxpacket;  in u_audio_start_playback()
741 		if (usb_ep_queue(ep, prm->reqs[i], GFP_ATOMIC))  in u_audio_start_playback()
772 	struct uac_rtd_params *prm;  in u_audio_get_volume()  local
776 		prm = &uac->p_prm;  in u_audio_get_volume()
778 		prm = &uac->c_prm;  in u_audio_get_volume()
780 	spin_lock_irqsave(&prm->lock, flags);  in u_audio_get_volume()
781 	*val = prm->volume;  in u_audio_get_volume()
782 	spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_get_volume()
791 	struct uac_rtd_params *prm;  in u_audio_set_volume()  local
796 		prm = &uac->p_prm;  in u_audio_set_volume()
798 		prm = &uac->c_prm;  in u_audio_set_volume()
800 	spin_lock_irqsave(&prm->lock, flags);  in u_audio_set_volume()
801 	val = clamp(val, prm->volume_min, prm->volume_max);  in u_audio_set_volume()
802 	if (prm->volume != val) {  in u_audio_set_volume()
803 		prm->volume = val;  in u_audio_set_volume()
806 	spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_set_volume()
810 				&prm->snd_kctl_volume->id);  in u_audio_set_volume()
819 	struct uac_rtd_params *prm;  in u_audio_get_mute()  local
823 		prm = &uac->p_prm;  in u_audio_get_mute()
825 		prm = &uac->c_prm;  in u_audio_get_mute()
827 	spin_lock_irqsave(&prm->lock, flags);  in u_audio_get_mute()
828 	*val = prm->mute;  in u_audio_get_mute()
829 	spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_get_mute()
838 	struct uac_rtd_params *prm;  in u_audio_set_mute()  local
844 		prm = &uac->p_prm;  in u_audio_set_mute()
846 		prm = &uac->c_prm;  in u_audio_set_mute()
850 	spin_lock_irqsave(&prm->lock, flags);  in u_audio_set_mute()
851 	if (prm->mute != mute) {  in u_audio_set_mute()
852 		prm->mute = mute;  in u_audio_set_mute()
855 	spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_set_mute()
859 			       &prm->snd_kctl_mute->id);  in u_audio_set_mute()
869 	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);  in u_audio_pitch_info()  local
870 	struct snd_uac_chip *uac = prm->uac;  in u_audio_pitch_info()
889 	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);  in u_audio_pitch_get()  local
891 	ucontrol->value.integer.value[0] = prm->pitch;  in u_audio_pitch_get()
899 	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);  in u_audio_pitch_put()  local
900 	struct snd_uac_chip *uac = prm->uac;  in u_audio_pitch_put()
917 	if (prm->pitch != val) {  in u_audio_pitch_put()
918 		prm->pitch = val;  in u_audio_pitch_put()
940 	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);  in u_audio_mute_get()  local
943 	spin_lock_irqsave(&prm->lock, flags);  in u_audio_mute_get()
944 	ucontrol->value.integer.value[0] = !prm->mute;  in u_audio_mute_get()
945 	spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_mute_get()
953 	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);  in u_audio_mute_put()  local
954 	struct snd_uac_chip *uac = prm->uac;  in u_audio_mute_put()
962 	spin_lock_irqsave(&prm->lock, flags);  in u_audio_mute_put()
963 	if (val != prm->mute) {  in u_audio_mute_put()
964 		prm->mute = val;  in u_audio_mute_put()
967 	spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_mute_put()
970 		audio_dev->notify(audio_dev, prm->fu_id, UAC_FU_MUTE);  in u_audio_mute_put()
981 	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);  in u_audio_volume_tlv()  local
988 	scale[2] = (prm->volume_min * 100) / 256;  in u_audio_volume_tlv()
989 	scale[3] = (prm->volume_max * 100) / 256;  in u_audio_volume_tlv()
999 	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);  in u_audio_volume_info()  local
1005 		(prm->volume_max - prm->volume_min + prm->volume_res - 1)  in u_audio_volume_info()
1006 		/ prm->volume_res;  in u_audio_volume_info()
1015 	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);  in u_audio_volume_get()  local
1018 	spin_lock_irqsave(&prm->lock, flags);  in u_audio_volume_get()
1020 			(prm->volume - prm->volume_min) / prm->volume_res;  in u_audio_volume_get()
1021 	spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_volume_get()
1029 	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);  in u_audio_volume_put()  local
1030 	struct snd_uac_chip *uac = prm->uac;  in u_audio_volume_put()
1039 	spin_lock_irqsave(&prm->lock, flags);  in u_audio_volume_put()
1040 	volume = (val * prm->volume_res) + prm->volume_min;  in u_audio_volume_put()
1041 	volume = clamp(volume, prm->volume_min, prm->volume_max);  in u_audio_volume_put()
1042 	if (volume != prm->volume) {  in u_audio_volume_put()
1043 		prm->volume = volume;  in u_audio_volume_put()
1046 	spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_volume_put()
1049 		audio_dev->notify(audio_dev, prm->fu_id, UAC_FU_VOLUME);  in u_audio_volume_put()
1084 	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);  in u_audio_rate_info()  local
1085 	struct snd_uac_chip *uac = prm->uac;  in u_audio_rate_info()
1092 	if (prm == &uac->c_prm)  in u_audio_rate_info()
1104 	struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);  in u_audio_rate_get()  local
1107 	spin_lock_irqsave(&prm->lock, flags);  in u_audio_rate_get()
1108 	if (prm->active)  in u_audio_rate_get()
1109 		ucontrol->value.integer.value[0] = prm->srate;  in u_audio_rate_get()
1113 	spin_unlock_irqrestore(&prm->lock, flags);  in u_audio_rate_get()
1180 		struct uac_rtd_params *prm = &uac->c_prm;  in g_audio_setup()  local
1182 		spin_lock_init(&prm->lock);  in g_audio_setup()
1184 		prm->max_psize = g_audio->out_ep_maxpsize;  in g_audio_setup()
1185 		prm->srate = params->c_srates[0];  in g_audio_setup()
1187 		prm->reqs = kcalloc(params->req_number,  in g_audio_setup()
1190 		if (!prm->reqs) {  in g_audio_setup()
1195 		prm->rbuf = kcalloc(params->req_number, prm->max_psize,  in g_audio_setup()
1197 		if (!prm->rbuf) {  in g_audio_setup()
1198 			prm->max_psize = 0;  in g_audio_setup()
1205 		struct uac_rtd_params *prm = &uac->p_prm;  in g_audio_setup()  local
1207 		spin_lock_init(&prm->lock);  in g_audio_setup()
1209 		prm->max_psize = g_audio->in_ep_maxpsize;  in g_audio_setup()
1210 		prm->srate = params->p_srates[0];  in g_audio_setup()
1212 		prm->reqs = kcalloc(params->req_number,  in g_audio_setup()
1215 		if (!prm->reqs) {  in g_audio_setup()
1220 		prm->rbuf = kcalloc(params->req_number, prm->max_psize,  in g_audio_setup()
1222 		if (!prm->rbuf) {  in g_audio_setup()
1223 			prm->max_psize = 0;  in g_audio_setup()
1295 		struct uac_rtd_params *prm;  in g_audio_setup()  local
1304 			prm = &uac->p_prm;  in g_audio_setup()
1308 			prm = &uac->c_prm;  in g_audio_setup()
1313 		prm->fu_id = fu->id;  in g_audio_setup()
1322 					    prm);  in g_audio_setup()
1334 			prm->snd_kctl_mute = kctl;  in g_audio_setup()
1335 			prm->mute = 0;  in g_audio_setup()
1345 					    prm);  in g_audio_setup()
1362 			prm->snd_kctl_volume = kctl;  in g_audio_setup()
1363 			prm->volume = fu->volume_max;  in g_audio_setup()
1364 			prm->volume_max = fu->volume_max;  in g_audio_setup()
1365 			prm->volume_min = fu->volume_min;  in g_audio_setup()
1366 			prm->volume_res = fu->volume_res;  in g_audio_setup()
1374 		kctl = snd_ctl_new1(&u_audio_controls[UAC_RATE_CTRL], prm);  in g_audio_setup()
1386 		prm->snd_kctl_rate = kctl;  in g_audio_setup()