All of lore.kernel.org
 help / color / mirror / Atom feed
From: Norbert Preining <preining@logic.at>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Mattia Dongili <malattia@linux.it>,
	linux-kernel@vger.kernel.org,
	ACPI Devel Mailing List <linux-acpi@vger.kernel.org>
Subject: Re: regression since 2.6.36: backlight in sony-laptop not working
Date: Fri, 12 Nov 2010 12:50:27 +0900	[thread overview]
Message-ID: <20101112035027.GD26742@gamma.logic.tuwien.ac.at> (raw)
In-Reply-To: <20101112034423.GA7407@srcf.ucam.org>

On Fr, 12 Nov 2010, Matthew Garrett wrote:
> > Seems so that the sys files have changed to new locations:
> > /sys/devices/virtual/backlight/acpi_video0/brightness
> > 
> > (mind the additional "virtual")
> > as well as thermal zone etc etc.
> > 
> > Could that explain the problem?
> 
> Only if you have some wonderfully badly written software. What are you 
> using to control the backlight? Also, I'd note that in this case your 
> backlight is controlled via ACPI, not sony-laptop.

Ah right, yes, so probabyl sony-laptopt has nothing to do with it.

THen the problem is simply that the acpi events are not coming through
when pressing the respective keys.

But *that* might be part of the sony-laptop kernel module?

Best wishes

Norbert
------------------------------------------------------------------------
Norbert Preining            preining@{jaist.ac.jp, logic.at, debian.org}
JAIST, Japan                                 TeX Live & Debian Developer
DSA: 0x09C5B094   fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 09C5 B094
------------------------------------------------------------------------
TREWOFFE (n.)
A very thick and heavy drift of snow balanced precariously on the
edge of a door porch waiting for what it judges to be the correct
moment to fall. From the ancient Greek legend 'The Treewofe of
Damocles'.
			--- Douglas Adams, The Meaning of Liff

  reply	other threads:[~2010-11-12  3:50 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-04 14:29 regression since 2.6.36: backlight in sony-laptop not working Norbert Preining
2010-11-10  3:58 ` Mattia Dongili
2010-11-11 23:50   ` Norbert Preining
2010-11-12  3:44     ` Matthew Garrett
2010-11-12  3:50       ` Norbert Preining [this message]
2010-11-12  3:57         ` Matthew Garrett
2010-11-12  4:14           ` Norbert Preining
2010-11-12  4:22           ` Mattia Dongili
2010-11-12  4:39             ` Norbert Preining
2010-11-12 12:17               ` Mattia Dongili
2010-11-16  5:16                 ` Norbert Preining
2010-11-16 14:18                   ` Mattia Dongili
2010-11-16 17:41                     ` Dmitry Torokhov
2010-11-17  6:30             ` Norbert Preining
2010-11-17  6:33               ` Norbert Preining
2010-11-17  6:52                 ` Dmitry Torokhov
2010-11-18 11:04                   ` Mattia Dongili
2010-11-18 13:34                     ` Mattia Dongili
2010-11-18 18:06                       ` Dmitry Torokhov
2010-11-17  7:12               ` Dmitry Torokhov
2010-11-12  7:38         ` Zhang Rui
2010-11-12 10:10           ` Norbert Preining

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20101112035027.GD26742@gamma.logic.tuwien.ac.at \
    --to=preining@logic.at \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=malattia@linux.it \
    --cc=mjg59@srcf.ucam.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.