amixer_set_se
hw->amixer_set_se(amixer->rsc.ctrl_blk, 1);
hw->amixer_set_se(amixer->rsc.ctrl_blk, 0);
int (*amixer_set_se)(void *blk, unsigned int se);
.amixer_set_se = amixer_set_se,
.amixer_set_se = amixer_set_se,