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From: Joseph Garcia <jpgarcia@execpc.com>
To: Derek Homeier <supas100@astrophysik.uni-kiel.de>
Cc: linuxppc-dev@lists.linuxppc.org
Subject: Re: switching consoles
Date: Tue, 18 Jul 2000 16:22:01 -0500	[thread overview]
Message-ID: <3974CA79.C5F0AB2B@execpc.com> (raw)
In-Reply-To: Pine.SOL.3.95.1000718225607.3933D-100000@juliet


Derek Homeier wrote:
> However, this might also be a side effect of writing evil things to the PMU,
> because the crashes were all related to not being able to power on the
> backlight and wake up from sleep mode. Does the PMU handle the ADB stuff as
> well (think I heard so, but not positive)?

i'd think that it would be more likely the nvram resetting.  But PMU is actually
on ADB.  as far as i know, all direct pmu ioctls (battery query, etc) are sent
to /dev/adb, while interpreted ioctls (like sleep) are sent to /dev/pmu, which
is why /dev/pmu features need kernel support and vary from system to system.

The noodle-scratcher in this is the fact that the keyboard's F-key setting is
maintained post-sleep, while trackpad tapping is always reset.  both being ADB
devs reset upon wake, id think it would get reset.  there could be something we
are missing.

--
Joseph P. Garcia      jpgarcia@execpc.com      jpgarcia@lidar.ssec.wisc.edu
CS Undergraduate                      Student Employee - Systems Programmer
University of Wisconsin - Madison                            UW Lidar Group

** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/

  reply	other threads:[~2000-07-18 21:22 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-07-14 17:33 switching consoles Derek Homeier
2000-07-14 18:19 ` Joseph Garcia
2000-07-18 20:29   ` Derek Homeier
2000-07-18 20:41     ` Joseph Garcia
2000-07-18 21:13       ` Derek Homeier
2000-07-18 21:22         ` Joseph Garcia [this message]
2000-07-18 21:50           ` Benjamin Herrenschmidt
  -- strict thread matches above, loose matches on Subject: below --
2000-07-14  9:29 Iain Sandoe
2000-07-14 10:24 ` Martin Costabel

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