From: Paul Ionescu <paul-f7LjuT9/YZU@public.gmane.org>
To: ducrot-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org,
acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Linux Video ACPI support
Date: Sun, 29 Feb 2004 13:49:45 +0200 [thread overview]
Message-ID: <1078055385.5345.14.camel@t40> (raw)
Hello Bruno,
I tried your ACPI video patch with an IBM T30 and IBM T40 laptop.
Kernel was 2.6.4-rc1.
Here is some feedback for you:
It finds 4 vido devices, and I have the following directories under
/proc/acpi/video/VID:
CRD0
DVI0
LCD0
TV0
cat /proc/acpi/video/VID/info
Switching heads: yes
Video ROM: no
Device to be POSTed on boot: no
cat of POST and POST_info gives <not supported>.
I am still able to switch between CRT and LCD with the Fn+F7 as usual,
but I cannot switch with the method described in README file from your
patch.
However the information from CRT0/state file is correct:
0x1f when active and connected
0x0f when active and disconnected from crt
0x1d when disabled and connected to CRT
0x0d when disabled and no CRT attached
To verify these values, I used Fn+F7 to switch between heads.
cat <anydevice>/brightness
<not supported>
If you need more information/logs/testing please let me know.
I have access to other IBM thinkpad models for testing.
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reply other threads:[~2004-02-29 11:49 UTC|newest]
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