Grant Coady wrote: > Greetings, > > Still learning lm_sensors interface, am porting adm9240 to 2.6. > > This chip has an analog output which is rare these days, plus > an output to send a reset pulse (open drain I/O) to an external > latch for Chassis Intrusion (CI). Wrinkle with CI clear function > is there are two register/bit locations for doing the deed. > > I really would welcome ideas on how to incorporate these to the > sysfs interface, offering this patch as a starting point. I may > have missed a miscellaneous control interface somewhere? In that > case pointers to docs appreciated. > > Cheers, > Grant. > > > --- linux-2.6.11-mm2-p2x/Documentation/i2c/sysfs-interface.orig 2004-12-25 08:34:01.000000000 +1100 > +++ linux-2.6.11-mm2-p2x/Documentation/i2c/sysfs-interface 2005-03-12 12:48:10.000000000 +1100 > @@ -272,3 +272,12 @@ > > eeprom Raw EEPROM data in binary form. > Read only. > + > +analog_out mV analog output voltage > + Read/Write. > + > +clear_ci[1-2] Tell chip to output a pulse to reset external Chassis > + Intrusion latch, there are two methods for doing this > + using a different register.bit > + Write Only. > + > adm1026 uses analog_out so that's fine. no other driver bothers with clearing chassis intrusion, so I wouldn't bother. If you're motivated, though, do it however you want. If it were me, I'd name it chassis_clear and implement both methods whenever it's written to. mds
