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int ac97_amplifier=-1;
/*
* AC97 codecs have a control output for an external audio output amplifier
* (necessary in some situations such as laptops). In some cases there may be
* need to turn this amplifier off.
*
* ac97_amplifier=-1 enables autodetection (default).
* ac97_amplifier=1 always enables the output amplifier stage.
* ac97_amplifier=0 disables it.
*/
int ac97_recselect=0;
/*
* AC97 codecs support separate recording source selections for left and
* right channels. This feature can be enabled but that may cause some
* compatibility problems with certain applications.
*
* ac97_recselect=0 (default) selects common source selection for both channels.
* ac97_recselect=1 enables independent source selections.
*/
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