Re: [ltp] Re: CALL FOR TESTING: thinkpad-acpi BETA release 0.14-20070708

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On Tue, 10 Jul 2007, Michael Olbrich wrote:
> brightness:
> keys work. procfs and sysfs are updated correctly.
> setting with procfs works.
> sysfs accepts 30, 40, 50, 60, 70, 80, 90, 100 only. All other values do
> not affect actual_brightness at all. I would expect that the next best
> setting is used. (e.g. brightness=46 -> actual_brightness=50)

Which kernel is this?  thinkpad-acpi uses a brightness scale from 0-7 (it
needs to be fixed for 0-15 for the T61, but I didn't find a proper way to do
that yet).

If sysfs is accepting percentages, then it is something the backlight class
is doing by itself, and not something I can fix.  You'd need to report it to
the backlight class maintainer...

> volume up/down/mute
> <PgUp> (light)

Yeah, that's per thinkpad-acpi design. You can get events from them if you
which, by activating their bits in hotkey_mask (and maybe changing the
keymap using input-kbd).

> temperatures:   49 51 38 60 50 128 36 128
> with experimental=1:
> temperatures:   52 53 39 61 50 -128 36 -128 45 57 56 -128 -128 -128 -128 -128
> Note that the unused elements are only -128 for experimental=1

Ah, DSDT weirdness.  I will work around it.  Thanks for the head's up.

> as a result the corresponding files in sysfs return 128 instead of
> "No such device or address" which is imho wrong.

Indeed.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh

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