[Bug 371048] Re: Subwoofer doesn't work with HDA-Intel

[madbiologist]

The just-released ALSA 1.0.23 may help.  From the changelog:

    - ALSA: hda - Add Bass Speaker switch for HP dv7 
    The bass speaker is controlled via GPIO5. 
    Tested-by: Wael Nasreddine

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Subwoofer doesn't work with HDA-Intel
https://bugs.launchpad.net/bugs/371048
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