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Date: Thu, 05 Mar 2009 02:37:01 +0200
From: Alexander Motin <mav@FreeBSD.org>
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To: Daniel O'Connor <doconnor@gsoft.com.au>
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Cc: freebsd-multimedia@freebsd.org
Subject: Re: snd_hda recording in 7.1?
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Daniel O'Connor wrote:
> On Thursday 05 March 2009 07:02:04 Alexander Motin wrote:
>> on 04/03/2009 05:25 Daniel O'Connor said the following:
>>> Does anyone have sound recording via snd_hda working in 7.1?
>> I see you have 2 mic inputs. Have you tried to record from `monitor`, it
> 
> No luck there, I tried via analogue and recording.
> ie run 'mixer monitor 80' and tap the mic.
> 
> then try 'mixer monitor 0; mixer rec 80; mixer =rec monitor' and record with
> sox.
> 
>> is a second mic. Verbose dmesg could give more info.
> 
> OK, I though the sysctl would be noisy enough :)

Try to comment out HDA_CODEC_ALC883 switch section of hdac.c near line 
4650. There is an old hack related to mic reference voltage to 
workaround some problems. May be it is not applicable here.

-- 
Alexander Motin