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Re: USB sound device present but NOT visible in ‘alsamixer’

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On Du, 30 ian 22, 11:02:34, Pankaj Jangid wrote:
> Jude DaShiell <jdashiel@panix.com> writes:
> 
> > alsactl --init
> > may help.
> > However alsa makes .lock files in /var/lock/alsa and you may find it
> > helpful to delete the lock file first then once card is set run alsactl
> > store.  Those lock files sometimes prevent alsa from doing a proper
> > detection and change.
> >
> Thanks Jude, for the reply.
> 
> On my installation there is no ‘--init’ option. But it has ‘init’
> command. I just tried that ‘alsactl init’. And there is no
> ‘/var/lock/alsa’ directory. But there is
> ‘/var/lock/asound.state.lock’. I removed this and tried with ‘alsactl
> init’ again. But no positive results in both cases.
> 
> During the boot process, the system detects everything. So there must be
> something in the init sequence that I can trigger manually.

You can try to unload and reload the corresponding kernel module. Check 
the output of

    lsmod | grep snd

(it's probably snd-usb-audio)

If it works it might be possible to add the module to some list so that 
it is removed on suspend and loaded on resume.

Kind regards,
Andrei
-- 
http://wiki.debian.org/FAQsFromDebianUser

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Thread

USB sound device present but visible in ‘alsamixer’ Pankaj Jangid <pankaj@codeisgreat.org> - 2022-01-29 07:30 +0100
  Re: USB sound device present but NOT visible in ‘alsamixer’ Pankaj Jangid <pankaj@codeisgreat.org> - 2022-01-29 18:00 +0100
    Re: USB sound device present but NOT visible in ‘alsamixer’ "Andrew M.A. Cater" <amacater@einval.com> - 2022-01-29 18:30 +0100
      Re: USB sound device present but NOT visible in ‘alsamixer’ Pankaj Jangid <pankaj@codeisgreat.org> - 2022-01-30 04:50 +0100
        Re: USB sound device present but NOT visible in ‘alsamixer’ Jude DaShiell <jdashiel@panix.com> - 2022-01-30 05:30 +0100
          Re: USB sound device present but NOT visible in ‘alsamixer’ Pankaj Jangid <pankaj@codeisgreat.org> - 2022-01-30 06:40 +0100
            Re: USB sound device present but NOT visible in ‘alsamixer’ Jude DaShiell <jdashiel@panix.com> - 2022-01-30 06:40 +0100
              Re: USB sound device present but NOT visible in ‘alsamixer’ Pankaj Jangid <pankaj@codeisgreat.org> - 2022-01-30 07:00 +0100
                Re: USB sound device present but NOT visible in ‘alsamixer’ Pankaj Jangid <pankaj@codeisgreat.org> - 2022-01-30 08:10 +0100
                Re: USB sound device present but NOT visible in ‘alsamixer’ Jude DaShiell <jdashiel@panix.com> - 2022-01-30 10:00 +0100
                Re: USB sound device present but NOT visible in ‘alsamixer’ Pankaj Jangid <pankaj@codeisgreat.org> - 2022-01-30 10:10 +0100
            Re: USB sound device present but NOT visible in ‘alsamixer’ Andrei POPESCU <andreimpopescu@gmail.com> - 2022-01-30 08:10 +0100
              Re: USB sound device present but NOT visible in ‘alsamixer’ Pankaj Jangid <pankaj@codeisgreat.org> - 2022-01-30 08:20 +0100
                Re: USB sound device present but NOT visible in ‘alsamixer’ Andrei POPESCU <andreimpopescu@gmail.com> - 2022-01-30 09:40 +0100
                Re: USB sound device present but NOT visible in ‘alsamixer’ Pankaj Jangid <pankaj@codeisgreat.org> - 2022-01-30 10:30 +0100
                Re: USB sound device present but NOT visible in ‘alsamixer’ Andrei POPESCU <andreimpopescu@gmail.com> - 2022-01-30 12:40 +0100
                Re: USB sound device present but NOT visible in ‘alsamixer’ Pankaj Jangid <pankaj@codeisgreat.org> - 2022-01-30 21:20 +0100
                Re: USB sound device present but NOT visible in ‘alsamixer’ Jude DaShiell <jdashiel@panix.com> - 2022-01-31 00:40 +0100
  Re: USB sound device present but visible in ‘alsamixer’ Pankaj Jangid <pankaj@codeisgreat.org> - 2022-02-06 16:50 +0100
    Re: USB sound device present but visible in ‘alsamixer’ Nicholas Geovanis <nickgeovanis@gmail.com> - 2022-02-08 06:10 +0100
      Re: USB sound device present but visible in ‘alsamixer’ Pankaj Jangid <pankaj@codeisgreat.org> - 2022-02-09 14:00 +0100

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