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Date:      Wed, 30 Dec 2009 11:36:30 -0500
From:      Mark Moellering <mark@msen.com>
Cc:        "Richard L. Mace" <macerl@telkomsa.net>, freebsd-questions@freebsd.org
Subject:   Re: snd_hda peculiarities
Message-ID:  <4B3B818E.3070909@msen.com>
In-Reply-To: <200912301723.27938.pieter@service2media.com>
References:  <200912301645.50105.macerl@telkomsa.net> <200912301723.27938.pieter@service2media.com>

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Pieter de Goeje wrote:
> On Wednesday 30 December 2009 15:45:50 Richard L. Mace wrote:
>   
>> I recently installed FreeBSD 8.0 (amd64) on my laptop (HP 8510w) and most
>> things are working. However, a minor annoyance is that I only get sound if
>>  I manually load snd_hda via:
>>
>> # kldload snd_hda
>>
>> i.e., after booting. If I place the following in /boot/loader.conf
>>
>> snd_hda_load="YES"
>>
>> I get no sound, even though the driver seems to load and cat /dev/sndstat
>> gives
>>     
>
> Try setting hw.snd.default_unit=1 in sysctl.conf. Most likely the order of the 
> devices has changed.
>
>   
>> ---------------------------------------------------------------------------
>> ------------------------------------------- FreeBSD Audio Driver (newpcm:
>>  64bit 2009061500/amd64)
>> Installed devices:
>> pcm0: <HDA Analog Devices AD1981HD PCM #0 Analog> at cad 0 nid 1 on hdac0
>>  kld snd_hda [MPSAFE] (1p:1v/1r:1v channels duplex default)
>> pcm1: <HDA Analog Devices AD1981HD PCM #1 Digital> at cad 0 nid 1 on hdac0
>>  kld snd_hda [MPSAFE] (1p:1v/0r:0v channels simplex)
>> ---------------------------------------------------------------------------
>> ---------------------------------------------
>>     
>
> This looks like the output from the working configuration. Note that the first 
> device is the analog output, the second is a digital output. When you load 
> snd_hda using loader.conf, the order is likely different on your machine and 
> the digital output is listed first. hw.snd.default_unit=1 would then direct the 
> sound to the proper (analog) output.
>
> - Pieter
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>
>   
Richard,
       I am sure that this is what I did to my machine to get snd_hda to 
work.

Mark



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