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From: S.N.Grigoriev <serguey-grigoriev@yandex.ru>
To: Alexander Motin <mav@freebsd.org>
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Cc: FreeBSD Stable <freebsd-stable@freebsd.org>
Subject: Re: snd_hda: how to duplicate output
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Alexander Motin wrote:

> S.N.Grigoriev wrote:
>  > this is an exerpt from 8.1R detailed Release Notes:
>  > 
>  > 2.2.2.1 Multimedia Support
>  > [snipped]
>  > The snd_hda(4) driver now supports multichannel (4.0 and 7.1)
>  > playback support. The 5.1 mode support is disabled now due to 
>  > unidentified synchronization problem. Devices which supports 
>  > the 7.1 mode can handle the 5.1 operation via software upmix 
>  > done by sound(4). Note that stereo stream is no longer duplicated 
>  > to all ports.
>  > 
>  > I'm interesting in what way can I restore the old behaviour, when
>  > stereo stream is duplicated to the black and grey sound card
>  > output connectors?
>  
>  The only way is to change channel mapping (chmap array) for stereo
>  streams in hdac_stream_setup() function.
>  

Alexander,

thank you for your responce.

Regards,
Serguey.