84 struct pcm_channel {  struct
104 	struct pcm_channel *parentchannel;  argument
105 	void *devinfo;
106 	device_t dev;
107 	int unit;
108 	char name[CHN_NAMELEN];
109 	char comm[MAXCOMLEN + 1];
110 	struct lock *lock;
111 	int trigger;
115 	struct cv intr_cv;
120 	unsigned int inprog;
145 		SLIST_HEAD(, pcm_channel) head;  argument
155 			SLIST_ENTRY(pcm_channel) link;  argument
163 	} channels;
165 	struct pcmchan_matrix matrix;
167 	int volume[SND_VOL_C_MAX][SND_CHN_T_VOL_MAX];
191 	SLIST_REMOVE(CHN_HEAD(x, z), y, pcm_channel, CHN_LINK(z))  argument