Lines Matching defs:sub

192 static void usb6fire_pcm_capture(struct pcm_substream *sub, struct pcm_urb *urb)
198 	struct pcm_runtime *rt = snd_pcm_substream_chip(sub->instance);
199 	struct snd_pcm_runtime *alsa_rt = sub->instance->runtime;
201 	u32 *dest = (u32 *) (alsa_rt->dma_area + sub->dma_off
228 			sub->dma_off++;
229 			sub->period_off++;
231 				sub->dma_off = 0;
239 static void usb6fire_pcm_playback(struct pcm_substream *sub,
245 	struct pcm_runtime *rt = snd_pcm_substream_chip(sub->instance);
246 	struct snd_pcm_runtime *alsa_rt = sub->instance->runtime;
247 	u32 *src = (u32 *) (alsa_rt->dma_area + sub->dma_off
276 			sub->dma_off++;
277 			sub->period_off++;
280 				sub->dma_off = 0;
291 	struct pcm_substream *sub;
315 	sub = &rt->capture;
317 	scoped_guard(spinlock_irqsave, &sub->lock) {
318 		if (sub->active) {
319 			usb6fire_pcm_capture(sub, in_urb);
320 			if (sub->period_off >= sub->instance->runtime->period_size) {
321 				sub->period_off %= sub->instance->runtime->period_size;
327 		snd_pcm_period_elapsed(sub->instance);
341 	sub = &rt->playback;
343 	scoped_guard(spinlock_irqsave, &sub->lock) {
344 		if (sub->active) {
345 			usb6fire_pcm_playback(sub, out_urb);
346 			if (sub->period_off >= sub->instance->runtime->period_size) {
347 				sub->period_off %= sub->instance->runtime->period_size;
353 		snd_pcm_period_elapsed(sub->instance);
391 	struct pcm_substream *sub = NULL;
404 		sub = &rt->playback;
409 		sub = &rt->capture;
412 	if (!sub) {
417 	sub->instance = alsa_sub;
418 	sub->active = false;
425 	struct pcm_substream *sub = usb6fire_pcm_get_substream(alsa_sub);
431 	if (sub) {
433 		scoped_guard(spinlock_irqsave, &sub->lock) {
434 			sub->instance = NULL;
435 			sub->active = false;
450 	struct pcm_substream *sub = usb6fire_pcm_get_substream(alsa_sub);
456 	if (!sub)
460 	sub->dma_off = 0;
461 	sub->period_off = 0;
489 	struct pcm_substream *sub = usb6fire_pcm_get_substream(alsa_sub);
494 	if (!sub)
497 	guard(spinlock_irqsave)(&sub->lock);
501 		sub->active = true;
506 		sub->active = false;
517 	struct pcm_substream *sub = usb6fire_pcm_get_substream(alsa_sub);
521 	if (rt->panic || !sub)
524 	guard(spinlock_irqsave)(&sub->lock);
525 	ret = sub->dma_off;