Hi Guenter, I am sorry that you have already answered this. I couldn't find any answer at list archives. Thanks for the help! On Fri, Jul 4, 2014 at 12:38 PM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote: > On 07/04/2014 08:22 AM, Leandro de Marco wrote: >> >> Hi. I need to configure a BMR464 vout parameter. >> >> For what I've read this is not supported and won't be supported as a >> sysfs interface entry, as this is intended for monitoring purposes >> only. >> >> I found this message, from 1 year ago, that received no response: >> http://lists.lm-sensors.org/pipermail/lm-sensors/2013-July/039441.html >> >> Is the ioctl a better approach to set the output? Can't we set this >> via sys-fs interface and allow only a privileged user to change it? >> >> I would like to have some direction here about what is the best way to >> implement this. >> >> Thanks! >> > From my original reply: > > "Wrong approach, unfortunately. The regulator subsystem should be used to > control > voltages and power supplies. See Documentation/power/regulator/ for > details. > The driver should register itself as power regulator. Since it is a PMBus > device, any implementation should be generic and not just support a single > chip. > So far no one asked for it, so I did not bother to implement it. Basic idea > is > quite straightforward, but this is one area where PMBus devices have lots > of > subtle differences, so it would probably need a generic interface/API which > is triggered by device specific flags and/or callbacks (ie only chips > implementing the callbacks and/or flags would be registered as > regulators)." > > Alternative would be to set the value you need / want with the i2cset > command > from user space. This may be an easy way to proceed if you plan to set > different > values only for testing. > > Guenter > -- Leandro -------------------------------------------------------------------------- My Mind is Not for Rent. _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
