[alsa-devel] snd-usb-audio issues??

Clemens Ladisch clemens at ladisch.de
Mon Apr 14 15:26:45 CEST 2014


Richard Storer wrote:
>         bTerminalID             4
>         wTerminalType      0x0603 Line Connector

>         bDescriptorSubtype      6 (FEATURE_UNIT)
>         bUnitID                 5
>         bSourceID               4
>         bmaControls( 0)      0x02
>           Volume Control

That single capture mixer control controls the line input.
(I don't know why it's labelled as "Mic", or how the device
switches between mic and line signal levels.)


Regards,
Clemens


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