On Tue, 08 Jul 2008 15:09:32 +0200, Wolfgang Grandegger wrote: > Jean Delvare wrote: > > On Tue, 08 Jul 2008 11:22:36 +0200, Wolfgang Grandegger wrote: > >> The existing driver for the LM75 is unable to identify a compatible DS75 > >> device properly. This patch from > >> > >> http://lists.lm-sensors.org/pipermail/lm-sensors/2007-February/018838.html > >> > >> does fix the problem and I wonder why it did not make it into the kernel yet. > > > > Because meanwhile the lm75 driver was converted to a new-style > > i2c driver, with support for the DS75: > > > > http://lm-sensors.org/kernel?p=kernel/mhoffman/hwmon-2.6.git;a=commit;h=ea6db11742de63324f29d1383122657cabe90940 > > > > This will presumably go in kernel 2.6.27-rc1. > > Ah, thanks for the info. Unfortunately, this new driver does not work > with the DS75 on our custom board. THe identification fails, because > it's as in the old lm75.c driver (and not like Alan suggested). There's no "detection" involved for the new-style i2c devices. Presumably you are still using the old binding model, not taking benefit of the patch at all. Use i2c_register_board_info() to instantiate your "ds75" i2c device from you board's platform code, and it should work. -- Jean Delvare