linux/Documentation/i2c/busses/i2c-prosavage

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Kernel driver i2c-prosavage
Supported adapters:
S3/VIA KM266/VT8375 aka ProSavage8
S3/VIA KM133/VT8365 aka Savage4
Author: Henk Vergonet <henk@god.dyndns.org>
Description
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The Savage4 chips contain two I2C interfaces (aka a I2C 'master' or
'host').
The first interface is used for DDC (Data Display Channel) which is a
serial channel through the VGA monitor connector to a DDC-compliant
monitor. This interface is defined by the Video Electronics Standards
Association (VESA). The standards are available for purchase at
http://www.vesa.org . The second interface is a general-purpose I2C bus.
Usefull for gaining access to the TV Encoder chips.