ATI i2c bus driver

Mark Studebaker mds4 at
Fri Jan 2 15:08:55 CET 2004

start by finding a datasheet.
after that it's easy :)

Jean Delvare wrote:
> Hi all,
> Any reason why we don't have a i2c bus driver for ATI video adapters?
> Looks like all other brands are supported (Voodoo and S3 in lm_sensors2
> CVS, Matrox in kernel and Nvidia by the rivatv project) but not ATI. I
> do own such an adapter (actually my laptop's video chip) and plan to buy
> another one for my desktop system soon. I'd enjoy playing with their I2C
> busses if they do have one.
> Where should I start if I want to write a new bus driver for ATI Radeon
> chips?
> Thanks.

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