Re: kernel I2O and video cards?

Dan Kegel (dank@alumni.caltech.edu)
Sun, 08 Aug 1999 13:48:44 -0700


Harold Oga <ogah@telusplanet.net> wrote:
>Are you sure you don't mean I2C and not I2O? I have yet to see a video card
>with an I2O interface, but have seen some with I2C interfaces on them.

That piqued my curiosity. For others curious about what I2C might be,
see
http://www-us2.semiconductors.philips.com/acrobat/applicationnotes/AN168.pdf
It appears to be a 100KHz two-wire bus for use wiring up
microcontrollers to each other and to peripherals inside
embedded systems like televisions, etc.

As such, an I2C driver might be handy for people using
Linux on microcontrollers to control a television set
or set-top box.
- Dan

-- 
(The above is my opinion alone, and not that of my employer)

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