We support PWM in at least 8 drivers (grep pwm kernel/chips/*.c), you should pick one of them to start from if you want to write a driver. See the Philips PCA954x devices for a method of multiplexing multiple i2c busses onto a single bus. But that could get messy. You may have an easier time of it using a chip with multiple PWM outputs, and for which we have an existing driver. mds BARRE Francois wrote: > Hello all, > > I have a VIA Nehemiah M10k which is not able to set Fan Speed > Control, and I had a look on chips which would be able to achieve that. > Microchip releases such devices : > http://www.microchip.com/1010/pline/analog/anicateg/thermal/dcfan/tc6xx/tc66 > 4/, which is able to set a PWM for a fan and read the RPM by a > self-inductante system (FanSense technology...). > > I am trying to buy a few ones and test them, but I guess I will have > to implement a new smbus device. > Did anyone have such experience, and could provide me some wise > advices ? Especially how could I deal with multiple SMBus slave devices > sharing the same address ? > Is anyone interested in having a fan speed control ? > > Thanks for advance, > > PS : I would like to subscribe to this ML, how should I proceed ? > >
