Re: [PATCH][2.6] Add command function to struct i2c_adapter

[Adrian Cox]

On Wed, 2004-09-22 at 17:07, Jon Smirl wrote:
> On Wed, 22 Sep 2004 16:56:19 +0100, Adrian Cox <adrian@xxxxxxxxxxxxxx> 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.


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