Marc, > Thanks for the reply. Can you point me to a location for the driver? >From 2.6.11 to 2.6.12, drivers/i2c/chips/smsc47b397.c in the Linux source tree. Since 2.6.13, drivers/hwmon/smsc47b397.c in the Linux source tree. http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=drivers/hwmon/smsc47b397.c -- Jean Delvare