AC97_AD_JACK_SENSE
ac97_reg_cached_write(dev, AC97_AD_JACK_SENSE, ac97_reg_cached_read(dev, AC97_AD_JACK_SENSE) | 0x0300);
ac97_reg_cached_write(dev, AC97_AD_JACK_SENSE, 0x0010);
ac97_reg_cached_write(dev, AC97_AD_JACK_SENSE,
ac97_reg_cached_read(dev, AC97_AD_JACK_SENSE) | 0x0800);