Re: USB sound card with no simple controls

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Greg Erwin wrote:
> $ amixer -c1 contents
> ...
> numid=3,iface=MIXER,name='Mic Capture Switch'
>   ; type=BOOLEAN,access=rw------,values=1
> amixer: Control hw:1 element read error: Invalid argument

It fails to read the current value of the control.
Is there a message in the system log when this happens?


Best regards,
Clemens

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