ES_SMPREG_DAC2
snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_TRUNC_N, 16 << 4);
snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS, 16 << 10);
snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS,
(snd_es1371_src_read(ensoniq, ES_SMPREG_DAC2 +
snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_VFREQ_FRAC,