Tom Jewell wrote:
> I couldn't understand why in fact RES was being requested.

It's the only way to check if it is supported.

>         bLength                13
>         bDescriptorType        36
>         bDescriptorSubtype      6 (FEATURE_UNIT)
>         bUnitID                 5
>         bSourceID               1
>         bControlSize            2
>         bmaControls( 0)      0x02
>         bmaControls( 0)      0x00
>           Volume Control
>         bmaControls( 1)      0x02
>         bmaControls( 1)      0x00
>           Volume Control
>         bmaControls( 2)      0x02
>         bmaControls( 2)      0x00
>           Volume Control
>         iFeature                9 RCVR MONITOR ANALOG GAIN

Are you sure that you want to have three values (master, and one for
each channel)?


Regards,
Clemens

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