On Wed, 2004-09-22 at 17:07, Jon Smirl wrote: > On Wed, 22 Sep 2004 16:56:19 +0100, Adrian Cox <adrian at humboldt.co.uk> wrote: > > Would it do for a display device to expose read-only EDID data through > > sysfs, or do you need I2C level access to DDC from userspace? > > For my purpose of decoding the EDID read only access is fine. > > But I do know there are programs that use the user space I2C drivers > to control extended monitor functions. Some monitors let you set > brightnesss, contrast, on/off via the I2C link. In which case you will need the current mechanism, with the class mechanism to stop sensor drivers probing the bus. - Adrian Cox Humboldt Solutions Ltd.
