Re: [Patch] ADT7411: Added attribute to the driver to set the power-down bit

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Hi Michael,

Please send patches to the lm-sensors mailing list. Any patch sent to
me only is likely to get lost.

On Sat, 23 Feb 2013 17:33:05 +0100, Michael Arndt wrote:
> I am using Analog ADT7411 in an embedded project, where I mainly
> use the internal temperature sensor.
> 
> Now the internal temperature readings get pretty bad if the sensor
> is powered for a couple of minutes, as it will heat itself up with
> about 10mW of power.
> 
> When the chip is powered down, it can do with about ~33uW of power, thus
> reducing the heat-up. Entering the power-down mode automatically would
> probably be the best thing, but we would need heuristics to decide when
> to power down, so this patch just adds a new attribute, so the chip
> can be manually powered down from sysfs.
> 
> In my case it really helps to keep the chip cool.

Please do not add a custom sysfs attribute for that. There is a nice
standard power management framework, please use it.

-- 
Jean Delvare

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