[PATCH] i2c-viapro: Update supported devices list

Make it clearer which chips are supported by the i2c-viapro driver,
and which support I2C block transactions.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

 Documentation/i2c/busses/i2c-viapro |   12 ++++++------
 drivers/i2c/busses/i2c-viapro.c     |   22 +++++++++++++---------
 2 files changed, 19 insertions(+), 15 deletions(-)

2 files changed, 19 insertions, 15 deletions

diff --git a/Documentation/i2c/busses/i2c-viapro b/Documentation/i2c/busses/i2c-viapro
index 387cbd4015fc..9363b8bd6109 100644
--- a/Documentation/i2c/busses/i2c-viapro
+++ b/Documentation/i2c/busses/i2c-viapro
@@ -29,18 +29,18 @@ Description
 -----------
 
 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.
diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index 5cf8fe182806..3be476cd4bc5 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -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.
 */