no sound: snd_hda, amd64, FreeBSD 7.2. (hdac0: Codec #3 is not responding! Probing aborted.)

[Yasir Khalid]

Dear guys,
I dont have any sound works in my system,  just after i load the snd_hda.
my
cat /dev/sndstat

> FreeBSD Audio Driver (newpcm: 64bit 2007061600/amd64)
> Installed devices:
> pcm0: <HDA Realtek ALC262 PCM #0 Analog> at cad 1 nid 1 on hdac0 kld
> snd_hda [MPSAFE] (1p:1v/1r:1v channels duplex default)
> pcm1: <HDA Realtek ALC262 PCM #1 Digital> at cad 1 nid 1 on hdac0 kld
> snd_hda [MPSAFE] (1p:1v/0r:0v channels)
>
dmesg

> hdac0: <ATI SB450 High Definition Audio Controller> mem
> 0xc0000000-0xc0003fff irq 16 at device 20.2 on pci0
> hdac0: HDA Driver Revision: 20090329_0131
> hdac0: [ITHREAD]
> hdac0: HDA Codec #0: Lucent/Agere Systems (Unknown)
> hdac0: HDA Codec #1: Realtek ALC262
> hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0
> hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0
> hdac0: Codec #3 is not responding! Probing aborted.
> pcm0: <HDA Realtek ALC262 PCM #0 Analog> at cad 1 nid 1 on hdac0
> pcm1: <HDA Realtek ALC262 PCM #1 Digital> at cad 1 nid 1 on hdac0
>
mixer

> Mixer vol      is currently set to 100:100
> Mixer pcm      is currently set to 100:100
> Mixer speaker  is currently set to  75:75
> Mixer mic      is currently set to   0:0
> Mixer mix      is currently set to 100:100
> Mixer rec      is currently set to   0:0
> Mixer monitor  is currently set to  75:75
>
sudo sysctl hw.snd.default_unit=1

> hw.snd.default_unit: 0 -> 1
>



> cat /dev/random > /dev/dsp0.0
> ^C
> cat /dev/random > /dev/dsp1.0
> ^C
>
result: no sound heard


Any help will be much appreciated.
ps: I cant use FreeBSD 8.0 beta3, it has some kernel bug my laptop, i should
stick with 7.2-release.

-- 
- Yasir -