i2c-viapro: Add new PCI device ID for VX855

The south bridge of the VIA VX855 chipset has a different PCI Device ID
so i2c-viapro.c needs to be updated with this.

Signed-off-by: Harald Welte <HaraldWelte@viatech.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index c8460fa..0d04d3e 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -211,7 +211,7 @@
 	  will be called i2c-via.
 
 config I2C_VIAPRO
-	tristate "VIA VT82C596/82C686/82xx and CX700/VX800/VX820"
+	tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx"
 	depends on PCI
 	help
 	  If you say yes to this option, support will be included for the VIA
@@ -225,8 +225,8 @@
 	    VT8237R/A/S
 	    VT8251
 	    CX700
-	    VX800
-	    VX820
+	    VX800/VX820
+	    VX855/VX875
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-viapro.
diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index 02e6f72..54d810a 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -37,6 +37,7 @@
    VT8251             0x3287             yes
    CX700              0x8324             yes
    VX800/VX820        0x8353             yes
+   VX855/VX875        0x8409             yes
 
    Note: we assume there can only be one device, with one SMBus interface.
 */
@@ -404,6 +405,7 @@
 	switch (pdev->device) {
 	case PCI_DEVICE_ID_VIA_CX700:
 	case PCI_DEVICE_ID_VIA_VX800:
+	case PCI_DEVICE_ID_VIA_VX855:
 	case PCI_DEVICE_ID_VIA_8251:
 	case PCI_DEVICE_ID_VIA_8237:
 	case PCI_DEVICE_ID_VIA_8237A:
@@ -469,6 +471,8 @@
 	  .driver_data = SMBBA3 },
 	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX800),
 	  .driver_data = SMBBA3 },
+	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX855),
+	  .driver_data = SMBBA3 },
 	{ 0, }
 };