AC97_REG_POWER
ac97_write(as, AC97_REG_POWER, as->power_reg);
ac97_read(as, AC97_REG_POWER, &val);
host_if->write(host_if->arg, AC97_REG_POWER, AC97_POWER_MIXER);
ac97_read(as, AC97_REG_POWER, &val);
host_if->write(host_if->arg, AC97_REG_POWER, POWER_EAMP_ON(as));
ac97_read(as, AC97_REG_POWER, &val);
ac97_read(as, AC97_REG_POWER, &as->power_reg);
ac97_write(as, AC97_REG_POWER, as->power_reg);
ac97_write(as, AC97_REG_POWER, AC97_POWER_IN | AC97_POWER_OUT
ac97_read(as, AC97_REG_POWER, &power);
ac97_write(as, AC97_REG_POWER, power | power_bit);
ac97_write(as, AC97_REG_POWER, power);
cs428x_read_codec(sc, AC97_REG_POWER, &data);
cs428x_read_codec(sc, AC97_REG_POWER, &data);
cs428x_write_codec(sc, AC97_REG_POWER, data & 0xfeff);
cs428x_read_codec(sc, AC97_REG_POWER, &data);
cs428x_read_codec(sc, AC97_REG_POWER, &data);
cs428x_read_codec(sc, AC97_REG_POWER, &data);
cs428x_read_codec(sc, AC97_REG_POWER, &data);
cs428x_write_codec(sc, AC97_REG_POWER, data & 0xfdff);
esm_write_codec(ess, AC97_REG_POWER, 0xdf00);