[TriLUG] Linux on Dell Latitude D610

[Steve Hoffman]

Ahhh...worked like a charm...incedentally, I needed the External
Amplifier on and all is right with the world.  Thanks all!

Steve

On 9/12/05, crimsun at fungus.sh.nu <crimsun at fungus.sh.nu> wrote:
> On Mon, Sep 12, 2005 at 07:48:16AM -0400, Steve Hoffman wrote:
> > Simple mixer control 'Headphone',0
> >   Capabilities: pvolume pswitch pswitch-joined
> >   Playback channels: Front Left - Front Right
> >   Limits: Playback 0 - 31
> >   Front Left: Playback 31 [100%] [on]
> >   Front Right: Playback 31 [100%] [on]
> 
> Mute this ^ (press 'm' in alsamixer, or use Volume Control in GNOME).
> 
> > Simple mixer control 'IEC958',0
> >   Capabilities: pswitch pswitch-joined
> >   Playback channels: Mono
> >   Mono: Playback [on]
> 
> Mute this ^.
> 
> > Simple mixer control 'External Amplifier',0
> >   Capabilities: pswitch pswitch-joined
> >   Playback channels: Mono
> >   Mono: Playback [off]
> 
> This one ^ is tricky. Some AC'97 codecs have flipped the register
> setting. Prior to ALSA 1.0.8, 'External Amplifier' needed to be toggled
> explicitly to [on] (unmuted), but we're seeing a fair number of reports
> with SiS codecs that have this flipped register.
> 
> Here's what I'd do: If muting both 'Headphone' and 'IEC958' do not give
> you sound, please unmute 'External Amplifier' in addition.
> 
> Thanks,
> --
> Daniel T. Chen            crimsun at ubuntu.com
> GPG key:   www.sh.nu/~crimsun/pubkey.gpg.asc
> 
> 
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