mixer_ctrl
struct mixer_ctrl mc;
int mavb_set_port(void *, struct mixer_ctrl *);
int mavb_get_port(void *, struct mixer_ctrl *);
mavb_set_port(void *hdl, struct mixer_ctrl *mc)
mavb_get_port(void *hdl, struct mixer_ctrl *mc)
static int wm8731_set_port(void *, struct mixer_ctrl *);
static int wm8731_get_port(void *, struct mixer_ctrl *);
wm8731_set_port(void *hdl, struct mixer_ctrl *mc)
wm8731_get_port(void *hdl, struct mixer_ctrl *mc)
static int wm8750_set_port(void *, struct mixer_ctrl *);
static int wm8750_get_port(void *, struct mixer_ctrl *);
wm8750_set_port(void *hdl, struct mixer_ctrl *mc)
wm8750_get_port(void *hdl, struct mixer_ctrl *mc)
struct mixer_ctrl value;
struct mixer_ctrl value;
struct mixer_ctrl ctrl;