Hi Greg, all, Make it clearer which chips are supported by the i2c-viapro driver, and which support I2C block transactions. Signed-off-by: Jean Delvare <khali at linux-fr.org> Documentation/i2c/busses/i2c-viapro | 12 ++++++------ drivers/i2c/busses/i2c-viapro.c | 22 +++++++++++++--------- 2 files changed, 19 insertions(+), 15 deletions(-) --- linux-2.6.13.orig/drivers/i2c/busses/i2c-viapro.c 2005-09-04 16:13:30.000000000 +0200 +++ linux-2.6.13/drivers/i2c/busses/i2c-viapro.c 2005-09-04 16:13:32.000000000 +0200 @@ -22,15 +22,19 @@ */ /* - Supports Via devices: - 82C596A/B (0x3050) - 82C596B (0x3051) - 82C686A/B - 8231 - 8233 - 8233A (0x3147 and 0x3177) - 8235 - 8237 + Supports the following VIA south bridges: + + Chip name PCI ID REV I2C block + VT82C596A 0x3050 no + VT82C596B 0x3051 no + VT82C686A 0x3057 0x30 no + VT82C686B 0x3057 0x40 yes + VT8231 0x8235 no? + VT8233 0x3074 yes + VT8233A 0x3147 yes? + VT8235 0x3177 yes + VT8237R 0x3227 yes + Note: we assume there can only be one device, with one SMBus interface. */ --- linux-2.6.13.orig/Documentation/i2c/busses/i2c-viapro 2005-09-04 16:13:26.000000000 +0200 +++ linux-2.6.13/Documentation/i2c/busses/i2c-viapro 2005-09-04 16:13:32.000000000 +0200 @@ -29,18 +29,18 @@ ----------- i2c-viapro is a true SMBus host driver for motherboards with one of the -supported VIA southbridges. +supported VIA south bridges. Your lspci -n listing must show one of these : - device 1106:3050 (VT82C596 function 3) - device 1106:3051 (VT82C596 function 3) + device 1106:3050 (VT82C596A function 3) + device 1106:3051 (VT82C596B function 3) device 1106:3057 (VT82C686 function 4) device 1106:3074 (VT8233) device 1106:3147 (VT8233A) - device 1106:8235 (VT8231) - devide 1106:3177 (VT8235) - devide 1106:3227 (VT8237) + device 1106:8235 (VT8231 function 4) + device 1106:3177 (VT8235) + device 1106:3227 (VT8237R) If none of these show up, you should look in the BIOS for settings like enable ACPI / SMBus or even USB. -- Jean Delvare