[ltp] Re: T23 / ibm-acpi

[Alex Deucher]

On Thu, 16 Sep 2004 04:25:51 -0700, Borislav Deianov
<borislav@users.sourceforge.net> wrote:
> Hi Chris,
> 
> First, apologies for the very late reply...
> 
> On Tue, 17 Aug 2004 23:12:04 +0000 (UTC) Christopher Hubbell <cgh@rochester.rr.com> wrote:
> > Greetings,
> 
> > I have a T23 which I'm anxious to get the assorted buttons and suspend
> > modes working on.  I noted in the ibm-acpi README that it has been
> > tested on many of the newer models, but not yet the T23.  I'm happy to
> > be a guinea pig, but before doing so just wanted to do dilligence to the
> > warning indicating that ..."IT MAY NOT WORK ON YOUR THINKPAD. IT MAY
> > EVEN DAMAGE IT."  Is there any known reason why it would be a bad thing
> > to try on the T23?
> 
> It's theoretically possible to damage hardware through low-level
> software (see, for example, the warnings on www.linux-thinkpad.org).
> That being said, ibm-acpi has had a large number of success reports
> and no problems so far. I'll probably drop the warning from the next
> release, or at least tone it down.
> 
> > Also, I've been trying to find something definitive about whether ACPI
> > or APM is the way to go on the T23.  It's not a recent model, but not
> > all that old either.   I'm looking for the solution which enables as
> > much native thinkpad functionality as possible, but haven't found any 
> > solid references as to what's best suited to the T23.  I'm using
> > standard ACPI on Fedora Core 2 right now, but only seem to be able to
> > get suspend to memory working, and none of the buttons ('echo 3 >
> > /proc/acpi/sleep' isn't as nice as hitting a button).
> 
> If you have suspend-to-ram working, you've done the hard part. There
> are three different suspend-to-disk implementations, one of them
> should work for you. For everything else, there's ibm-acpi :-).
> 
> If you do have ACPI running on the T23 (with or without ibm-acpi), I'd
> appreciate a copy of your DSDT (from /proc/acpi/dsdt). That would
> allow me to check new features of ibm-acpi against it.

Boris, 

Are you interested in DSDTs in general?  I don't have the time right
now to test your patch, but I can send you the DSDT from my T20 ot X24
if you want.

Alex

> 
> Regards,
> Boris
>