sum_c 812 sound/pci/ctxfi/ctmixer.c struct sum *sum_c; sum_c 817 sound/pci/ctxfi/ctmixer.c sum_c = mixer->sums[SUM_IN_F_C*CHN_NUM+i]; sum_c 818 sound/pci/ctxfi/ctmixer.c amix_d->ops->set_sum(amix_d, sum_c);