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Date: Fri, 14 Jan 2005 10:32:39 -0500
From: Gabriel Latour <gabriell@interplusonline.com>
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Subject: Re: vt8237 chipset & freebsd 5.3 = no audio
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Erik Udo wrote:
> Gabriel Latour wrote:
> 
>> Hi!
>>
>> I just installed FreeBSD 5.3 on a VIA KM400 based chipset motherboard. 
>> The audio is the VT8237 audio chipset.
>>
>> No sound is produced!!!
>>
>> #kldload snd_via8233.ko
>>
>> #cat > /dev/sndstat
>> FreeBSD Audio Driver (newpcm)
>> Installed devices:
>> pcm0: <VIA VT8237> at io 0xeb00 irq 22 kld snd_via8233 (5p/1r/0v 
>> channels duplex default)
>>
>> #dmesg | grep pcm
>> pcm0: [GIANT-LOCKED]
>> pcm0: <Unknown AC97 Codec (id = 0x56494170)>
>> pcm0: detached
>>
>> I tried that hack with no luck:
>>
>> --- sys/dev/sound/pcm/ac97.c.orig       Tue Nov 11 23:15:17 2003
>> +++ sys/dev/sound/pcm/ac97.c    Tue Aug 10 23:58:11 2004
>> @@ -124,6 +124,7 @@
>>          { 0x41445360, 0x00, 0, "AD1885",        0 },
>>          { 0x41445361, 0x00, 0, "AD1886",        ad1886_patch },
>>          { 0x41445362, 0x00, 0, "AD1887",        0 },
>> +       { 0x41445368, 0x00, 0, "AD1888",        ad198x_patch },
>>          { 0x41445363, 0x00, 0, "AD1886A",       0 },
>>          { 0x41445370, 0x00, 0, "AD1980",        ad198x_patch },
>>          { 0x41445372, 0x00, 0, "AD1981A",       0 },
>>
>> Now can somebody help me?
>>
>> Thanks!
>>
> 
> Shouldn't it be 0x56494170 instead of 0x41445368 on that patch.
> What does dmesg say after that patch?

After the patch:

#dmesg | grep pcm

pcm0: <VIA VT8237> port 0xeb00-0xebff irq 22 at device 17.5 on pci0
pcm0: [GIANT-LOCKED]
pcm0: <VIA Technologies AD1888 AC97 Codec


#pciconf -lv

pcm0@pci0:17:5: class=0x040100 card=0x70611462 chip=0x30591106 rev=0x60 
hdr=0x00
     vendor   = 'VIA Technologies Inc'
     device   = 'VT8233/33A/8235/8237 AC97 Enhanced Audio Controller'
     class    = multimedia
     subclass = audio

 > Is mixer pcm/vol set to 0?

#mixer

Mixer vol      is currently set to  75:75
Mixer pcm      is currently set to  75:75

No sound is coming out...


-- 
Gabriel Latour
UNIX system administrator
www.interplusonline.com
www.maximustelecom.com
514-620-9011 ext.102