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Trackpad support for 5,6
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Omniscientist
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PostPosted: Fri Apr 22, 2005 11:30 pm    Post subject: Trackpad support for 5,6 Reply with quote

Hello I have a Powerbook G4 version 5,6. I installed Gentoo PPC a few months ago, and could never get the trackpad to work. Now I'm going to try to work at it again, and I have made a tiny bit of progress:

I'm using kernel 2.6.10, gentoo-sources. I have the USB (trackpad on new powerbook's are usb) stuff enabled (HID and all that), but /dev/input/mice still doesn't respond to the trackpad. I went onto the IRC channel #gentoo-ppc and a kind soul gave me a URL with a driver for the trackpad on it. I downloaded this, compiled it, insmod'ed it, then ran the driver program. After that, the trackpad started working! However when I boot into X, the trackpad starts going HAYWIRE after like 10 seconds. Its fine then it starts going all over the place. I am wondering if its because something else may be interfering with it? Cuz this driver is supposed to work with new Powerbooks.

dmesg reports a thousand repititions of of a line that says envbug.c is getting some weird signal from some usb device. Sorry, I'm not on the Linux right now so I can't paste it, but alot of people in the IRC chatroom recognized it without me going too indepth, and they told me to turn it off. If you know what I'm talking about, how do I turn it off? I'll paste the dmesg when I go on the Linux.

Anyways, if anyone can help a poor soul get his trackpad to work, pleaseee feel free.

Thanks guys!


-Omni
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bruda
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PostPosted: Sat Apr 23, 2005 12:41 am    Post subject: Reply with quote

I don't know about the trackpad, but getting rid of the evbug output has been addressed before in these fora about a zillion times.
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Omniscientist
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PostPosted: Sun Apr 24, 2005 6:22 am    Post subject: Reply with quote

Cool, fixed that. trackpad still isn't working though. Anyone out there have a solution?
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puggy
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PostPosted: Sun Apr 24, 2005 11:19 pm    Post subject: Reply with quote

http://johannes.sipsolutions.net/PowerBook/touchpad/driver

It is rather basic and requires you to have extremely fat fingers or to put the flat of your finger tip on the pad, but at least it is a step in the right direction.

Puggy
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PostPosted: Mon Apr 25, 2005 1:56 am    Post subject: Reply with quote

puggy, this is the driver I was talking about previously. it recognizes and responds to me touching the trackpad, but it starts going haywire after i enter X. haywire meaning, the cursor starts jumping all over the place even if i'm not touching the pad. got any ideas of why this is happening?
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PostPosted: Mon Apr 25, 2005 2:13 am    Post subject: Reply with quote

Ok, some updates (now that I can see dmesg without being flooded by that envbug crap)

dmesg now reports this when the trackpad acts screwy:

/drivers/usb/input/hid-input.c: event field not found
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PostPosted: Mon Apr 25, 2005 2:30 am    Post subject: Reply with quote

I'm not too sure if the last thing I posted has any relevance to anything, but I'd just like to say again the trackpad is A-OK until running X for a few minutes. I can cat /dev/psaux and the output is fine. But if I go into gnome then it screws up after awhile. Perhaps my xorg.conf's mouse input section are the wrong driver or protocol? any suggestions as far as that goes? thanks guys
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puggy
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PostPosted: Tue Apr 26, 2005 11:52 pm    Post subject: Reply with quote

Mine is doing this as well now. I think you jinxed it. :-) Will look into it if I get time.
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PostPosted: Mon May 02, 2005 7:43 am    Post subject: Reply with quote

Oops, sorry for jinxing yah :). Well if it worked before and not now must be something new added to portage or something new in the kernel which is borking it. Do you know if updating to the newest linux kernel from kernel.org will do anything?
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