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    SubjectRe: My machine is cursed: no sound. Help! [was Re: es1371 sound problems]
    On Fri, 24 Feb 2006, Benjamin LaHaise wrote:

    > On Sat, Feb 25, 2006 at 12:40:50AM +0100, Pavel Machek wrote:
    > > 0 [I82801DBICH4 ]: ICH4 - Intel 82801DB-ICH4
    > > Intel 82801DB-ICH4 with AD1981B at 0xc0000c00, irq 5
    > > 1 [U0x4fa0x4201 ]: USB-Audio - USB Device 0x4fa:0x4201
    > > USB Device 0x4fa:0x4201 at usb-0000:00:1d.1-2, full speed
    > > root@amd:~#
    > >
    > > (usb soundcard clicks when I launch mpg123, but that's it.)
    > >
    > > Any ideas?
    >
    > I had problems with the ac97 driver and newer kernels until toggling Mute
    > on the headphone sense channel. Alsa has too many bells and whistles that
    > need to be properly incanted for machines to emit sound. Just try futzing
    > with the channels in alsamixer. Otoh, that's a good way to end up with a
    > config that doesn't work, too...

    There are also a few machines that have microphone in/headphone out
    switched/swapped. There was a ALSA patch around for that. :(

    --
    ~Randy
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