Re: [ddccontrol-users] Problem with DDCcontrol and Apple Cinema HD Display 23"

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Hi,

    they use usb, not DDC/CI for that. Theoretically it's possible to ext=
end
ddccontrol to use USB attached displays, as they use similar protocol, bu=
t
nobody looked at that, and we miss such hardware as well.

Regards,
Oleg.

----- Original Message -----=20
From: "Pascal Lamarre" <pas...@no...>
To: "Nicolas Boichat" <ni...@bo...>
Cc: "ddccontrol users list" <ddc...@li...>
Sent: Monday, July 18, 2005 2:36 AM
Subject: Re: [ddccontrol-users] Problem with DDCcontrol and Apple Cinema =
HD
Display 23"

> Hi,
>
> I saw in some commercial WEB sites that the Apple monitors support DDC/=
CI.
And
> I know that these monitors are driven by software to set up brigthness,
> contrast, gamma, white temperature and so on... in Mac OS X.
> There is also another project that can control the monitor thru the hid
device
> (http://acdcontrol.sourceforge.net/), but it can only control the
brightness.
> I don't know if there is some links with the DDC/CI protocol.
>
> Best regards,
>
> Pascal
>
> Le Samedi 16 Juillet 2005 11:49, Nicolas Boichat a =E9crit :
> > Hi,
> >
> > Ok, from my point of view, your monitor doesn't supports DDC/CI. It
> > doesn't answer to any query used by this protocol.
> >
> > Anyway, if you look at the specifications of the monitor, there is no
> > mention of the DDC/CI protocol.
> >
> > Could you explain why do you think it supports DDC/CI?
> >
> > Best regards,
> >
> > Nicolas
> >
> > On Fri, 2005-07-15 at 13:22 +0200, Pascal Lamarre wrote:
> > > Hi,
> > >
> > > I tried the command LANG=3D LC_ALL=3D ddccontrol -p -c -d -v -v. As=
 the
> > > output is very vebose, I redirect the output (standard & error) in =
the
> > > file DDCcontrol_output attached in this email.
> > >
> > > Best regards,
> > >
> > > Pascal
> > >
> > > Le Vendredi 15 Juillet 2005 12:55, vous avez =E9crit :
> > > > Hi,
> > > >
> > > > This monitor doesn't seem to support DDC/CI...
> > > >
> > > > Could you try to run this command:
> > > > LANG=3D LC_ALL=3D ddccontrol -p -c -d -v -v
> > > > ?
> > > >
> > > > Best regards,
> > > >
> > > > Nicolas
> > > >
> > > > On Fri, 2005-07-15 at 00:17 +0200, Pascal Lamarre wrote:
> > > > > Hi,
> > > > >
> > > > > DDCcontrol doesn't work for my configuration : Graphic card
GeForce
> > > > > FX 5700LE and the Apple Cinema HD Display 23" (alu). I think th=
at
> > > > > this monitor supports the DDC/CI protocol.
> > > > >
> > > > > Here is the output of the command ddccontrol -p -c -d
> > > > >
> > > > > ddccontrol, version 0.1.2
> > > > >
> > > > > Copyright 2005 Oleg I. Vdovikin (ol...@cs...) et Nicolas
Boichat
> > > > > (ni...@bo...)
> > > > >
> > > > > Ce programme est livr=E9 SANS AUCUNE GARANTIE.
> > > > >
> > > > > Vous pouvez redistribuer des copies de ce programme sous les
termes
> > > > > de la licence g=E9n=E9rale publique de GNU (GNU General Public
License).
> > > > >
> > > > > P=E9riph=E9rique : pci:01:00.0-0
> > > > >
> > > > > Erreur lors de la lecture de la r=E9ponse du message d'=E9critu=
re.:
Bad
> > > > > message
> > > > >
> > > > > Echec de lecture de l'EDID 0x50.
> > > > >
> > > > > P=E9riph=E9rique : pci:01:00.0-1
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > I/O warning : failed to load external entity
> > > > > "/usr/share/ddccontrol-db/monitor/APP921E.xml"
> > > > >
> > > > > Le document n'a pas =E9t=E9 trait=E9 avec succ=E8s.
> > > > >
> > > > > P=E9riph=E9rique : pci:01:00.0-2
> > > > >
> > > > > Erreur lors de la lecture de la r=E9ponse du message d'=E9critu=
re.:
Bad
> > > > > message
> > > > >
> > > > > Echec de lecture de l'EDID 0x50.
> > > > >
> > > > > ioctl(): Function not implemented
> > > > >
> > > > > ioctl a renvoy=E9 -1
> > > > >
> > > > > Echec de lecture de l'EDID 0x50.
> > > > >
> > > > > ioctl(): Function not implemented
> > > > >
> > > > > ioctl a renvoy=E9 -1
> > > > >
> > > > > Echec de lecture de l'EDID 0x50.
> > > > >
> > > > > Moniteurs d=E9tect=E9s :
> > > > >
> > > > > - P=E9riph=E9rique : pci:01:00.0-1
> > > > >
> > > > > DDC/CI support=E9 : Oui
> > > > >
> > > > > Nom du moniteur : Moniteur inconnu (APP921E)
> > > > >
> > > > > Type d'entr=E9e : digitale
> > > > >
> > > > > (Choisi automatiquement)
> > > > >
> > > > > Lecture de l'EDID et initialisation du DDC/CI sur le bus
> > > > > pci:01:00.0-1...
> > > > >
> > > > > P=E9riph=E9rique : pci:01:00.0-1
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > I/O warning : failed to load external entity
> > > > > "/usr/share/ddccontrol-db/monitor/APP921E.xml"
> > > > >
> > > > > Le document n'a pas =E9t=E9 trait=E9 avec succ=E8s.
> > > > >
> > > > > Lectures EDID :
> > > > >
> > > > > ID Plug and Play: APP921E [(null)]
> > > > >
> > > > > Type d'entr=E9e : digitale
> > > > >
> > > > > Capacit=E9s:
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > S=E9quence invalide dans la cha=EEne de capacit=E9.
> > > > >
> > > > > =C9chec lors de la lecture des capacit=E9s.
> > > > >
> > > > > Contr=F4les (valide/actuel/maximum) [Description - Nom de la
valeur]:
> > > > >
> > > > > I hope you'll be able to add support for this monitor.
> > > > >
> > > > > Thanks in advance
> > > > >
> > > > > Best regards
> > > > >
> > > > > Pascal
>
>
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