Lines Matching defs:sub

255 static bool hiface_pcm_playback(struct pcm_substream *sub, struct pcm_urb *urb)
257 	struct snd_pcm_runtime *alsa_rt = sub->instance->runtime;
264 	pcm_buffer_size = snd_pcm_lib_buffer_bytes(sub->instance);
266 	if (sub->dma_off + PCM_PACKET_SIZE <= pcm_buffer_size) {
269 			 (unsigned int) sub->dma_off);
271 		source = alsa_rt->dma_area + sub->dma_off;
279 			 (unsigned int) sub->dma_off);
281 		len = pcm_buffer_size - sub->dma_off;
283 		source = alsa_rt->dma_area + sub->dma_off;
290 	sub->dma_off += PCM_PACKET_SIZE;
291 	if (sub->dma_off >= pcm_buffer_size)
292 		sub->dma_off -= pcm_buffer_size;
294 	sub->period_off += PCM_PACKET_SIZE;
295 	if (sub->period_off >= alsa_rt->period_size) {
296 		sub->period_off %= alsa_rt->period_size;
306 	struct pcm_substream *sub;
326 	sub = &rt->playback;
327 	scoped_guard(spinlock_irqsave, &sub->lock) {
328 		if (sub->active)
329 			do_period_elapsed = hiface_pcm_playback(sub, out_urb);
335 		snd_pcm_period_elapsed(sub->instance);
350 	struct pcm_substream *sub = NULL;
361 		sub = &rt->playback;
363 	if (!sub) {
381 	sub->instance = alsa_sub;
382 	sub->active = false;
389 	struct pcm_substream *sub = hiface_pcm_get_substream(alsa_sub);
395 	if (sub) {
399 		guard(spinlock_irqsave)(&sub->lock);
400 		sub->instance = NULL;
401 		sub->active = false;
409 	struct pcm_substream *sub = hiface_pcm_get_substream(alsa_sub);
415 	if (!sub)
422 	sub->dma_off = 0;
423 	sub->period_off = 0;
439 	struct pcm_substream *sub = hiface_pcm_get_substream(alsa_sub);
444 	if (!sub)
450 		scoped_guard(spinlock_irq, &sub->lock) {
451 			sub->active = true;
457 		scoped_guard(spinlock_irq, &sub->lock) {
458 			sub->active = false;
469 	struct pcm_substream *sub = hiface_pcm_get_substream(alsa_sub);
473 	if (rt->panic || !sub)
476 	guard(spinlock_irqsave)(&sub->lock);
477 	dma_offset = sub->dma_off;