Re: cs46xx doesn't play sounds correctly (was Re: Linux 2.2.17pre12)

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Fri Jul 28 2000 - 12:06:05 EST


> cs461x: Card found at 0xfd7fd000 and 0xfd600000, IRQ 9
> ac97_codec: AC97 Audio codec, vendor id1: 0x4352, id2: 0x5903 (Cirrus
> Logic CS4297)
> cs461x: Found 1 audio device(s).
> The PCI BIOS has not enabled the device at 1/88! Updating PCI
> command 0113->0117.

Ok. The bios hadnt set it up very happily

>
> This is on RH6.1, with the following alias in conf.modules:
>
> alias sound cs46xx
>
> Unfortunately, it doesn't always play sounds correctly (e.g. the
> Windows login fanfare under VMware). The sound is but is typically
> distorted/choppy and possibly skewed towards the higher frequencies.
>
> The following message is logged after some sample sounds:
> cs461x: drain_dac, dma timeout?

That one I know about. Its harmless.

> A colleague has working sound on one of these machines using the
> ALSA driver installation, but that is a complexity we'd rather
> avoid for distribution to our end-users.
>
> Any suggestions to make this work correctly?

If ALSA works I am suprised the OSS driver does not. The OSS driver is
built directly from the ALSA driver since that is about the best
documentation on the entire affair.

Is IRQ 9 shared on your board ?

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