ACPI Extensions for Display Adapters

ACPI Extensions for Display Adapters

[Brown, Len]

Volunteers?
Karol, this make sense to you?

Thanks,
-Len

-----Original Message-----
From: acpi-bugzilla-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
[mailto:acpi-bugzilla-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org] On Behalf Of
bugme-daemon-3NddpPZAyC0@public.gmane.org
Sent: Friday, January 23, 2004 5:31 PM
To: acpi-bugzilla-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: [ACPI-bugzilla] [Bug 1944] New: ACPI Extensions for Display
Adapters


http://bugme.osdl.org/show_bug.cgi?id=1944

           Summary: ACPI Extensions for Display Adapters
    Kernel Version: 2.6.0-test10
            Status: NEW
          Severity: normal
             Owner: len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org
         Submitter: len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org
                CC: acpi-bugzilla-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org


Systems containing a built-in display adapter are requred to implement
the ACPI Extensions for Display Adapters. -- ACPI Spec 2.0c appendix B. 
 
These extensions involved brightness control, device switching,
and power state support. 
 
Currently, some of these features are implemented in the asus_extras
and toshiba_extras drivers.  A generic drivers/acpi/video.c driver
should be created to support these features on all 
vendors platforms.  When it is available, that functionality should be
removed from the asus and toshiba specific drivers.

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Re: ACPI Extensions for Display Adapters

[Ducrot Bruno]

On Fri, Jan 23, 2004 at 05:35:00PM -0500, Brown, Len wrote:
> Volunteers?

This is perhaps time to add some attribute to sysfs?

-- 
Ducrot Bruno

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: ACPI Extensions for Display Adapters

[Karol Kozimor]

Thus wrote Ducrot Bruno:
> On Fri, Jan 23, 2004 at 05:35:00PM -0500, Brown, Len wrote:
> > Volunteers?
> 
> This is perhaps time to add some attribute to sysfs?

BTW: did anybody actually think of moving the Linux-specific bits to sysfs?
I guess killing /proc/acpi would be a 2.7-thing though.
Best regards,

-- 
Karol 'sziwan' Kozimor
sziwan-DETuoxkZsSqrDJvtcaxF/A@public.gmane.org


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Re: ACPI Extensions for Display Adapters

[Ducrot Bruno]

On Sat, Jan 24, 2004 at 12:44:59AM +0100, Karol Kozimor wrote:
> Thus wrote Ducrot Bruno:
> > On Fri, Jan 23, 2004 at 05:35:00PM -0500, Brown, Len wrote:
> > > Volunteers?
> > 
> > This is perhaps time to add some attribute to sysfs?
> 
> BTW: did anybody actually think of moving the Linux-specific bits to sysfs?
> I guess killing /proc/acpi would be a 2.7-thing though.
> Best regards,

Sometimes, I'm thinking about, but well, never got time to do it (it's
not in my priority list)...

-- 
Ducrot Bruno

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: ACPI Extensions for Display Adapters

[John Belmonte]

Len wrote:
> Volunteers?

I may take a stab at this, at least to cover the video out control as a 
start.  I maintain the toshiba_acpi driver and have an interest in 
getting this straightened out.

-John


-- 
http:// if  ile.org/


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