Re: i810_audio support

[Jason Algol]

>From: Alan Cox <[e-mail]>
>To: [e-mail] (Jason Algol)
>CC: [e-mail]
>Subject: Re: i810_audio support
>Date: Tue, 26 Feb 2002 22:58:28 +0000 (GMT)
>
> > I dont know very much about the workings of sound cards, but the problem 
>is
> > that when playing anything a total crackling in the background that 
>makes
> > the audio almost unusable...a real pity.
>
>There are plenty of funnies in the i810 audio (actually mostly the driver
>just doesn't seem to want to lie down and behave not such the hardware).
>The crackling audio isn't one of the problems seen anywhere.
>

A friend of mine with the same machine ( a tiny p4 1500 based machine ) 
suffers from this also, but they bought a commercial driver ( OSS?, im not 
sure.. ) that fixed the problem, there a couple of mentions of it on 
dejagoo, but no solutions offered.

>What AC97 codec is attached to your card, and also does it help if you
>turn volume levels down a bit and turn all the recording inputs right off ?

This is some of my dmesg info :

Intel 810 + AC97 Audio, version 0.21, 00:53:47 Feb 27 2002
PCI: Found IRQ 10 for device 00:1f.5
PCI: Sharing IRQ 10 with 00:1f.3
PCI: Setting latency timer of device 00:1f.5 to 64
i810: Intel ICH2 found at IO 0xe000 and 0xdc00, IRQ 10
i810_audio: Audio Controller supports 6 channels.
ac97_codec: AC97 Audio codec, id: 0x8384:0x7609 (SigmaTel STAC9721/23)
i810_audio: only 48Khz playback available.
i810_audio: AC'97 codec 0 supports AMAP, total channels = 2
ac97_codec: AC97 Modem codec, id: 0x5349:0x4c22 (Silicon Laboratory Si3036)
i810_audio: timed out waiting for codec 1 analog ready

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