Re: No sound with an Intel ICH7 with ALC655 (AC'97 codec)

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On Tue, Jan 23, 2007 at 12:02:18PM +0100, Alberto Garcia wrote:
> Hi all. I got this sound card but I'm not able to make it work.
> 
> The card gets detected by ALSA, I can open the mixer and everything
> seems perfectly normal. The only problem is that I can hear no
> sound. I tried to mute/unmute all channels and played with the volume
> levels so I really don't think it's a problem with my mixer settings.
> 
> I tried ALSA 1.0.13 and 1.0.14rc2 and I got the same result in both
> cases.
> 
> Regarding the kernel version, I'm using Linux 2.6.17.14 right now, but
> I also tried 2.6.19.2 and 2.6.20rc5 (and the ALSA driver included in
> these kernels).
> 
> snip from lspci -nnv
> 
> 00:1e.2 Multimedia audio controller [0401]: Intel Corporation 82801G (ICH7 Family) AC'97 Audio Controller [8086:27de] (rev 01)
>         Subsystem: Biostar Microtech Int'l Corp Unknown device [1565:8213]
>         Flags: bus master, medium devsel, latency 0, IRQ 20
>         I/O ports at f000 [size=256]                                            
>         I/O ports at fa00 [size=64]                                             
>         Memory at fdffe000 (32-bit, non-prefetchable) [size=512]
>         Memory at fdffd000 (32-bit, non-prefetchable) [size=256]
>         Capabilities: [50] Power Management version 2
> 
> 
> $ aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: ICH7 [Intel ICH7], device 0: Intel ICH [Intel ICH7]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 0: ICH7 [Intel ICH7], device 4: Intel ICH - IEC958 [Intel ICH7 - IEC958]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> 
> 
> $ cat /proc/asound/cards 
>  0 [ICH7           ]: ICH4 - Intel ICH7
>                       Intel ICH7 with ALC655 at irq 20
> 
> This is the syslog output when I load the modules:
> 
> ACPI: PCI Interrupt 0000:00:1e.2[A] -> GSI 17 (level, low) -> IRQ 20
> PCI: Setting latency timer of device 0000:00:1e.2 to 64
> intel8x0_measure_ac97_clock: measured 51051 usecs
> intel8x0: clocking to 48000
> 
> 
> And this is the mainboard in which the chip is integrated in case it
> helps:
> 
> http://www.biostar-usa.com/mbdetails.asp?model=I945G-M7%20v2.x
> 
> If you need some other data just ask me.
> 
> Any kind of help or clue will be appreciated. Thanks in advance.
> 

That would probably be because the hda-intel is a peice of shit.

My hda-intel (on a Mac Mini Core Duo) is useless. There are all kinds of problems with it.

- -ken
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