public inbox for linux-acpi@vger.kernel.org
 help / color / mirror / Atom feed
From: "Phil Endecott" <phil_hmpau_endecott@chezphil.org>
To: Corentin Chary <corentin.chary@gmail.com>
Cc: linux acpi <linux-acpi@vger.kernel.org>
Subject: Re: Toggling VGA out on Eee 901
Date: Wed, 17 Sep 2008 20:31:04 +0100	[thread overview]
Message-ID: <1221679864736@dmwebmail.dmwebmail.chezphil.org> (raw)
In-Reply-To: <71cd59b00809170813hba237e8y2bb3b4b2e7604d04@mail.gmail.com>

Corentin Chary wrote:
> you can try the "disp" file under /sys/device/platform/eeepc-laptop/
> Try echo 1, echo 0, etc ... It may do something

Thanks for the suggestion.  It doesn't work, though I think it's trying 
to do something.  The code for the "disp" file checks a capabilities 
bitmask in which I think the DISPLAYSWITCH bit is set, and writes call 
a method called SDSP, which eventually seems to do an I/O byte write (I 
think).  I'm well out of my depth here so I'm going to move on to the 
next problem, but I'm willing to try out any suggestions that people have.

Cheers,  Phil




       reply	other threads:[~2008-09-17 19:31 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <71cd59b00809170813hba237e8y2bb3b4b2e7604d04@mail.gmail.com>
2008-09-17 19:31 ` Phil Endecott [this message]
2008-09-17 19:47   ` Toggling VGA out on Eee 901 Corentin Chary
2008-09-17 21:08     ` Phil Endecott
2008-09-16 21:43 Phil Endecott
2008-09-17  5:47 ` Zhang Rui
2008-09-17 10:52   ` Phil Endecott
2008-09-18  2:47     ` Zhang Rui

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=1221679864736@dmwebmail.dmwebmail.chezphil.org \
    --to=phil_hmpau_endecott@chezphil.org \
    --cc=corentin.chary@gmail.com \
    --cc=linux-acpi@vger.kernel.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox