From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: stereo uac device control over mixer
Date: Tue, 05 May 2015 15:45:31 +0200
Message-ID: <5548C97B.90908@ladisch.de>
References: <1430728456157.40941@geosemi.com>,
 <55476E36.4090105@ladisch.de> <1430800272738.13266@geosemi.com>
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To: Arijit De <arijit.de@geosemi.com>, "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
List-Id: alsa-devel@alsa-project.org

Arijit De wrote:
>       AudioControl Interface Descriptor:
>         bLength                 9
>         bDescriptorType        36
>         bDescriptorSubtype      6 (FEATURE_UNIT)
>         bUnitID                 2
>         bSourceID               1
>         bControlSize            1
>         bmaControls( 0)      0x03
>           Mute Control
>           Volume Control

These are the controls for the master channel.

>         bmaControls( 1)      0x03
>           Mute Control
>           Volume Control

These are the controls for the mic's left channel.

>         iFeature                0

The controls for the mic's right channel are missing.


There are no descriptors for playback, but this does not matter for the
mixer.


Regards,
Clemens