Sound on amd64

[Frank Shute]

On Mon, Jul 07, 2008 at 01:41:34PM -0700, Kurt Buff wrote:
>
> First, my apologies - I sent my last missive to Conrad, and not to the
> list. I'm replying to myself with an update. Details below.
> 
> Kurt
> 
> On Sun, Jul 6, 2008 at 2:51 PM, Kurt Buff <kurt.buff at gmail.com> wrote:
> > On Sun, Jul 6, 2008 at 2:24 PM, Conrad J. Sabatier <conrads at cox.net> wrote:
> >> On Sun, 06 Jul 2008 10:25:58 +0200
> >> Tore Lund <tl32 at next.online.no> wrote:
> >>
> >>> Kurt Buff wrote:
> >>> > On Sat, Jul 5, 2008 at 8:48 PM, Conrad J. Sabatier <conrads at cox.net>
> >>> > wrote:
> >>> >> On Sat, 5 Jul 2008 19:02:09 -0700
> >>> >> "Kurt Buff" <kurt.buff at gmail.com> wrote:
> >>> >> ...
> >>> >> Do you have both the generic sound support (sound) as well as the
> >>> >> specific hardware driver enabled in your kernel config?
> >>> >
> >>> > Sigh. Always something new to learn.
> >>>
> >>> Just wondering, why do people modify the kernel when kernel loadable
> >>> modules can handle the sound card?  Is it necessary on some types of
> >>> hardware?
> >>
> >> Well, probably the main reason most people do it is to strip away any
> >> unneeded functionality.  The GENERIC kernel contains a whole slew of
> >> drivers and options that most people don't need, but are intended to
> >> support a wide range of hardware configurations "out of the box".  You
> >> can greatly reduce the kernel's size by only including the features you
> >> really need.
> >
> > I tried a new kernel, but that didn't work, for whatever reason, but
> > editing loader.conf did, sort of. I tried adding
> >
> > sound_load="YES"
> > snd_hda_load="YES"
> > hint.pcm.0.config="gpio0 gpio1 gpio2 gpio3 gpio4 gpio5 gpio6 gpio7"
> >
> > but while the cd player now works, I'm not getting output from the
> > built-in speakers - it just sounds like it's coming from a long way
> > away - I can barely make it out. I suppose that means it's coming from
> > the headphone setup, but I'm not sure of that.
> >
> > I've been googling, but haven't figured this out yet.
> >
> > Kurt
> 
> More careful reading shows that the hint line goes in
> /boot/device.hints, but placing it there does not improve the
> situation, though the sound does seem to be emitting from the
> speakers. It's just that it's very soft, and I can't get it any
> louder, though using the slider control in gnome will silence it.
> 
> This is a recent Thinkpad T61, and grepping dmesg reveals that the
> sound system is detected as an Intel 82801H, and the codec used seems
> to be the Analog Devices AD1984.
> 
> I'm running 7-STABLE, updated on Saturday.
> 
> Thoughts on how to improve this would be much appreciated.
> Kurt

Have you had a play with mixer(8)?

E.g:

$ mixer vol
Mixer vol      is currently set to  75:75
$ mixer vol 70:70
Setting the mixer vol from 75:75 to 70:70.

Obviously, you'd want to raise the volume rather than reduce it like I
just did.

Regards,

-- 

 Frank 


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