usb/caiaq/audio.c

57 		cdev->sub_playback[sub->number] = sub;
72 		cdev->sub_playback[sub->number] = NULL;
99 	memset(cdev->sub_playback, 0, sizeof(cdev->sub_playback));
159 	if (all_substreams_zero(cdev->sub_playback) &&
526 			sub = cdev->sub_playback[stream];
559 			struct snd_pcm_substream *sub = cdev->sub_playback[stream];
656 			check_for_elapsed_periods(cdev, cdev->sub_playback);
809 	memset(cdev->sub_playback, 0, sizeof(cdev->sub_playback));