From mboxrd@z Thu Jan  1 00:00:00 1970
From: dE <de.techno@gmail.com>
Subject: Re: Selecting correct input device port.
Date: Wed, 29 Oct 2014 08:40:24 +0530
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On 10/28/14 09:57, dE wrote:
> As I learn't in this mailng list, a device can typically handle only 
> one stream at a time unless it supports hardware mixing which's 
> exposed via subdevices in ALSA
>
> What does subdevice mean for input device? Do they mark physical ports 
> for input? If not how do I record from a specific input port? Is it 
> automatically selected by the card?
>
> And what's 'input source' in ALSA mixer?

Pointers to any doc...?