snd_opl3sa2_read
tmp = snd_opl3sa2_read(chip, OPL3SA2_MISC);
tmp1 = snd_opl3sa2_read(chip, OPL3SA2_MISC);
tmp = snd_opl3sa2_read(chip, OPL3SA2_MIC);
tmp1 = snd_opl3sa2_read(chip, OPL3SA2_MIC);
status = snd_opl3sa2_read(chip, OPL3SA2_IRQ_STATUS);
snd_opl3sa2_read(chip, OPL3SA2_MASTER_RIGHT);
snd_opl3sa2_read(chip, OPL3SA2_MASTER_LEFT);