65 	           struct snd_pcm_substream *sub)  in activate_substream()  argument
69 	if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK)  in activate_substream()
70 		cdev->sub_playback[sub->number] = sub;  in activate_substream()
72 		cdev->sub_capture[sub->number] = sub;  in activate_substream()
79 		     struct snd_pcm_substream *sub)  in deactivate_substream()  argument
84 	if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK)  in deactivate_substream()
85 		cdev->sub_playback[sub->number] = NULL;  in deactivate_substream()
87 		cdev->sub_capture[sub->number] = NULL;  in deactivate_substream()
183 static int snd_usb_caiaq_pcm_hw_params(struct snd_pcm_substream *sub,  in snd_usb_caiaq_pcm_hw_params()  argument
186 	return snd_pcm_lib_alloc_vmalloc_buffer(sub,  in snd_usb_caiaq_pcm_hw_params()
190 static int snd_usb_caiaq_pcm_hw_free(struct snd_pcm_substream *sub)  in snd_usb_caiaq_pcm_hw_free()  argument
192 	struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(sub);  in snd_usb_caiaq_pcm_hw_free()
193 	deactivate_substream(cdev, sub);  in snd_usb_caiaq_pcm_hw_free()
194 	return snd_pcm_lib_free_vmalloc_buffer(sub);  in snd_usb_caiaq_pcm_hw_free()
291 static int snd_usb_caiaq_pcm_trigger(struct snd_pcm_substream *sub, int cmd)  in snd_usb_caiaq_pcm_trigger()  argument
293 	struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(sub);  in snd_usb_caiaq_pcm_trigger()
296 	dev_dbg(dev, "%s(%p) cmd %d\n", __func__, sub, cmd);  in snd_usb_caiaq_pcm_trigger()
301 		activate_substream(cdev, sub);  in snd_usb_caiaq_pcm_trigger()
305 		deactivate_substream(cdev, sub);  in snd_usb_caiaq_pcm_trigger()
315 snd_usb_caiaq_pcm_pointer(struct snd_pcm_substream *sub)  in snd_usb_caiaq_pcm_pointer()  argument
317 	int index = sub->number;  in snd_usb_caiaq_pcm_pointer()
318 	struct snd_usb_caiaqdev *cdev = snd_pcm_substream_chip(sub);  in snd_usb_caiaq_pcm_pointer()
328 	if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK)  in snd_usb_caiaq_pcm_pointer()
329 		ptr = bytes_to_frames(sub->runtime,  in snd_usb_caiaq_pcm_pointer()
332 		ptr = bytes_to_frames(sub->runtime,  in snd_usb_caiaq_pcm_pointer()
358 	struct snd_pcm_substream *sub;  in check_for_elapsed_periods()  local
361 		sub = subs[stream];  in check_for_elapsed_periods()
362 		if (!sub)  in check_for_elapsed_periods()
365 		pb = snd_pcm_lib_period_bytes(sub);  in check_for_elapsed_periods()
366 		cnt = (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) ?  in check_for_elapsed_periods()
371 			snd_pcm_period_elapsed(sub);  in check_for_elapsed_periods()
382 	struct snd_pcm_substream *sub;  in read_in_urb_mode0()  local
390 			sub = cdev->sub_capture[stream];  in read_in_urb_mode0()
391 			if (sub) {  in read_in_urb_mode0()
392 				struct snd_pcm_runtime *rt = sub->runtime;  in read_in_urb_mode0()
411 	struct snd_pcm_substream *sub;  in read_in_urb_mode2()  local
434 			sub = cdev->sub_capture[stream];  in read_in_urb_mode2()
438 			if (sub) {  in read_in_urb_mode2()
439 				struct snd_pcm_runtime *rt = sub->runtime;  in read_in_urb_mode2()
466 			struct snd_pcm_substream *sub = cdev->sub_capture[stream];  in read_in_urb_mode3()  local
470 			if (sub && !cdev->input_panic) {  in read_in_urb_mode3()
471 				struct snd_pcm_runtime *rt = sub->runtime;  in read_in_urb_mode3()
545 	struct snd_pcm_substream *sub;  in fill_out_urb_mode_0()  local
550 			sub = cdev->sub_playback[stream];  in fill_out_urb_mode_0()
551 			if (sub) {  in fill_out_urb_mode_0()
552 				struct snd_pcm_runtime *rt = sub->runtime;  in fill_out_urb_mode_0()
583 			struct snd_pcm_substream *sub = cdev->sub_playback[stream];  in fill_out_urb_mode_3()  local
587 			if (sub) {  in fill_out_urb_mode_3()
588 				struct snd_pcm_runtime *rt = sub->runtime;  in fill_out_urb_mode_3()