Re: [PATCH] libsensors: Add support for humidity sensors

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On Thu, Feb 10, 2011 at 03:20:20AM -0500, Jean Delvare wrote:
> Hi Guenter,
> 
> On Wed, 9 Feb 2011 21:42:56 -0800, Guenter Roeck wrote:
> > This patch adds support for humidity sensors to libsensors.
> 
> Maybe it's a little late to discuss this now that humidity[1-*]_input
> is already described in Documentation/hwmon/sysfs-interface, but... do
> humidity sensors really belong to the hardware monitoring framework?
> What are the use cases of these sensors in practice?
> 
> We let the accelerometer drivers slip in in the past (thankfully
> without documenting their attributes), and now we have a hard time
> getting them moved to the right place. I wouldn't want to do the same
> mistake with humidity sensors. My feeling is that they don't belong to
> hwmon.
> 
The argument is that humidity is an environmental parameter which does
affect system operation, and thus it does belong to the hwmon framework.
I don't know what the existing/supported sensors are used for, but could
well imagine one in an industrial computer used to ensure that the system
isn't running in too much humidity.

Thanks,
Guenter

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