OS/2, eCS & ArcaOS - Technical > Multimedia

Updated Uniaud32 build

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Paul Smedley:
Hi All,

Prompted by Lewis reporting a problem with no sound on a newish laptop, I built uniaud32.sys last night for the first time since December 2015.

After managing to patch the realtek driver to add some additional chipsets which got Lewis sound, I got interested again in updating Uniaud.

As some may recall, way back when, I was updating the uniaud32 core with the latest ALSA code.... I got as far as ALSA 1.0.24 (released January 2011), but could never get ALSA 1.0.25 (released early 2012) to work. After that, the code was incorporated into the linux kernel, and it all got too hard. Plus, at the time, we still had the hangs with hda audio and I started running linux as my main OS.

Anyhow, after helping Lewis last night, I added the OS/2 patches to the linux kernel 3.0 code and got it building. This represents an alsa-kernel approximately 6 months newer that what's in the last uniaud32 release.

I've tested this in virtualbox with the Intel HDA driver and it still makes sound. That's about the level of testing I've done. I can't be bothered walking upstairs to grab one of the Thinkpads and test on other hardware.

Anyway...... link is http://smedley.id.au/tmp/uniaud32-linux-3.0.zip

Feedback appreciated. If there's interest, I'll continue to try and update the code to hopefully fix upstream bugs and support newer hardware.

Cheers,

Paul

Mike K├Âlling:
Hi Paul,

First of all, thanks for your ongoing support of OS/2. It is very appreciated.

I have tested your uniaud32.sys driver today at my TP X250. Unfortunately it didn't work well. I got only distorted sound after using your new driver  :(.
The one from AN I am using is working fine so far, but I thought testing the new one will help.
Please see also "https://www.os2world.com/wiki/index.php/Lenovo_ThinkPad_X250" for my review of the working one.

Greetings from Potsdam/Germany
Mike

Eugene Tucker:
 ::)Pau ::)l ::), sadly this driver resulted in no sound.

Martin Iturbide:
Hi Eugene, can you please provide more feedback?
Like the hardware you are running it, and if it is not longer working compared to a xxx version of Uniaud?

Just in case I guess that the latest version of Uniaud was 2.2.5 / 2018-11-26  (Available at hobbes and Arca Noae site).

Regards

Martin Iturbide:
Hi Paul

Thanks for doing this and checking the code of Uniaud. I was also good to know more about the technical history of the port and know that because of the complexity with the Linux Kernel it was harder to get up to the ALSA latest version.

I tried your updated driver on a VirtualBox ArcaOS 5 guest. Intel HD Audio. I just backup the old uniaud32.sys and replaced with the new one. Rebooted and all desktop sounds seems to be working normally. Nothing fancy on the config.sys (just DEVICE=C:\MMOS2\UNIAUD32.SYS) I will keep testing to see if I can find something else.

Paul, Is there any other recommended test or information that you also need that we can help with?

Regards

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