From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: snd-usb-audio issues??
Date: Mon, 14 Apr 2014 15:26:45 +0200
Message-ID: <534BE215.4010209@ladisch.de>
References: <CAA0fz9ZctzKNpcMCqR==rDdnGAk6yLf2Or_z=zi4XG7-QcHBmQ@mail.gmail.com>	<534BD57F.6000006@ladisch.de>	<CAA0fz9Y=EhoWBr5qMRabqf6acG-3yRCqtQcbOo9Xnn3yT3f4Vw@mail.gmail.com>	<534BDA85.5000007@ladisch.de>
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To: Richard Storer <rstorer@ntlworld.com>
Cc: alsa-devel@alsa-project.org
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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