SUM_IN_F
for (i = AMIXER_MASTER_F, k = SUM_IN_F;
for (i = AMIXER_PCM_F, k = SUM_IN_F; i <= AMIXER_PCM_S; i++, k++) {
sum = mixer->sums[SUM_IN_F*CHN_NUM];
sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
sum = mixer->sums[SUM_IN_F*CHN_NUM];
sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
sum = mixer->sums[SUM_IN_F*CHN_NUM];
sum = mixer->sums[SUM_IN_F*CHN_NUM+1];