Re: Trying to get sound working ...
Last week, i have installed Linux on my laptop, and i had the same problem....
After long days of research i have find that i should patch my kernel (2-4-18) with ACPI (you could find this patch on http://sourceforge.net/projects/acpi ).
Finally i have installed a kernel 2.4.19 (because on my laptop, the patch didn't really work... :( ) and compile it with ACPI support, and it work !!!! I have sound.
I have a SoundMAX Integrated Digital Audio with ALSA.... but for the moment it's a Mandrake 9.0 :( because it include a 2.4.19 kernel...
I will try with a Debian....
Have fun :) and sorry for my english... i'm french :)
Etienne
>Messsage du 02/10/2002 13:38
>De : Ivan Uemlianin <i.a.uemlianin@celtic.co.uk>
>A : <debian-laptop@lists.debian.org>
>Copie à :
>Objet : Trying to get sound working ...
>
>
>
> Dear All
>
> I'm running Debian Woody on an IBM Thinkpad A31p. Everything is working
> fine, except sound. I *think* the problem is incorrect parameters to
> the relevant kernel modules, but (a) I might be wrong and (b) I don't
> know how to set the parameters. Any pointers on these two - or any
> other helpful info - would be gratefully received.
>
> The sound card is an Intel Corp. 82801CA/CAM AC'97 Audio (Analog Devices
> AD1881A). I had read (e.g. at the linux-laptop site) that Thinkpad
> sound, and this card specifically, was OK on Linux, with the i810 and
> mpu401 modules. I have also got into trouble trying to recompile the
> kernel to set up ALSA, so I'd rather avoid that for now.
>
> Installing Debian, I made sure the following sound driver modules were
> checked:
>
> ac97_codec
> i810_audio
> mpu401
> sound
> soundcore
>
> I gave no parameters as I wasn't aware of the need for any at the time.
>
> Having installed Debian sound was just not working. For example, cdcd
> would happily play my CDs - silently. (At the moment only root has
> access to certain devices - e.g. audio, write access to hda1 - but
> that's a separate issue.)
>
> There follows all the information I could find on my setup. From the
> IO/IRQ discrepancy shown between the boot messags and The Other OS, I
> would guess that I need to add parameters to some/all of the modules.
> But which and how (and how to translate the Windows figures into
> something useful) I have no idea.
>
> - sndconfig correctly identifies the sound card but can't config it.
>
> - lsmod includes four of the modules, but not i810_audio:
>
> Module Size Used by Not tainted
> mpu401 18784 0 (unused)
> sound 52876 0 [mpu401]
> ac97_codec 9568 0
> soundcore 3236 2 [sound]
>
> - /etc/modules does not include ac97_codec, sound or soundcore, but does
> include i810_audio and mpu401
>
> - There is nothing about sound in /etc/modules.conf
>
> - The following is from dmesg (boot messages), which seems to imply that
> something is going wrong:
>
> ...
> Intel 810 + AC97 Audio, version 0.21, 10:28:09 Apr 14 2002
> PCI: Found IRQ 11 for device 00:1f.5
> PCI: Sharing IRQ 11 with 00:1f.3
> PCI: Sharing IRQ 11 with 00:1f.6
> PCI: Sharing IRQ 11 with 02:00.1
> PCI: Setting latency timer of device 00:1f.5 to 64
> i810: Intel ICH3 found at IO 0x18c0 and 0x1c00, IRQ 11
> i810_audio: Audio Controller supports 6 channels.
> ac97_codec: AC97 Audio codec, id: 0x4144:0x5348 (Analog Devices AD1881A)
> i810_audio: AC'97 codec 0 Unable to map surround DAC's (or DAC's not
> present), total channels = 2
> ac97_codec: AC97 Modem codec, id: 0x5349:0x4c27 (Unknown)
> i810_audio: timed out waiting for codec 1 analog ready.
> ...
>
> - I got the following details from The Other OS on my machine (Windows
> 2000 'Pro'). Note that the I/O and IRQs are different from those above
> (Linux seems to put just about everything on IRQ 11; Windows seems to
> put just about everything on IRQ 9). I couldn't find DMA figures
> specifically for the sound device, only for this 'DMA controller'. I
> couldn't find any DMA16 or MPU figures at all.
>
> 1. sound config info
>
> Location: PCI bus 0, device 31, function 5
>
> Driver:
> SoundMAX Integrated Digital Audio 5.12.1.3039
> Provider: Analod Devices
>
> Resources:
> input/output range: 1C00 - 1CFF
> input/output range: 18C0 - 18FF
> Interrupt Request: 09
>
> 2. DMA info
>
> Computer Management|Sys Tools|Sys Info|HW Resources|DMA:
> Direct memory access controller: channel 4
>
> Computer Management|Sys Tools|Sys Info|HW Resources|I/O:
> Address Range Device
> 0x0000-0x0CF7 Direct memory access controller (0x0000-0x000F ?*)
> 0x0080-0X008F Direct memory access controller
> 0x00C0-0x00DF Direct memory access controller
>
> * from Computer Management|Sys Tools|Dev Man|Sys Dev|DMA controller
>
> - info ends here.
>
> Questions:
> - Is it an IO/IRQ problem, and if so
> - what other info do I need (e.g. dma, mpu) and how do I get it?
> - how do I add module parameters?
> - If not:
> - what else might it be?
> - where do I need to look? (I'd rather avoid alsa/kernel stuff until
> I've exhausted this track)
>
> Best wishes
>
> Ivan
>
>
>
>
> --
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