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/Documentation/i2c/busses/i2c-viapro

https://bitbucket.org/evzijst/gittest
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 1Kernel driver i2c-viapro
 2
 3Supported adapters:
 4  * VIA Technologies, Inc. VT82C596A/B
 5    Datasheet: Sometimes available at the VIA website
 6
 7  * VIA Technologies, Inc. VT82C686A/B 
 8    Datasheet: Sometimes available at the VIA website
 9
10  * VIA Technologies, Inc. VT8231, VT8233, VT8233A, VT8235, VT8237
11    Datasheet: available on request from Via
12
13Authors:
14	Frodo Looijaard <frodol@dds.nl>,  
15	Philip Edelbrock <phil@netroedge.com>, 
16	Kyösti Mälkki <kmalkki@cc.hut.fi>, 
17	Mark D. Studebaker <mdsxyz123@yahoo.com> 
18
19Module Parameters
20-----------------
21
22* force: int
23  Forcibly enable the SMBus controller. DANGEROUS!
24* force_addr: int
25  Forcibly enable the SMBus at the given address. EXTREMELY DANGEROUS!
26
27Description
28-----------
29
30i2c-viapro is a true SMBus host driver for motherboards with one of the
31supported VIA southbridges.
32
33Your lspci -n listing must show one of these :
34
35 device 1106:3050   (VT82C596 function 3)
36 device 1106:3051   (VT82C596 function 3)
37 device 1106:3057   (VT82C686 function 4)
38 device 1106:3074   (VT8233)
39 device 1106:3147   (VT8233A)
40 device 1106:8235   (VT8231)
41 devide 1106:3177   (VT8235)
42 devide 1106:3227   (VT8237)
43
44If none of these show up, you should look in the BIOS for settings like
45enable ACPI / SMBus or even USB.
46
47