Re: acpi-als taking over from hwmon for light sensor support?

[Bastien Nocera <hadess@hadess.net>]

On Wed, 2016-11-23 at 18:38 +0100, Jean Delvare wrote:
> On mer., 2016-11-23 at 18:21 +0100, Bastien Nocera wrote:
> > Hey,
> > 
> > I did some work on iio-sensor-proxy[1] those past couple of days,
> > and
> > tested it on a MacBook Pro.
> > 
> > Before that, I had written a (user-space) driver to access the
> > hwmon
> > driver's "light" value, so I was a bit surprised when I saw that
> > iio-
> > sensor-proxy was accessing the light sensor through acpi-als's IIO
> > driver instead of through the hwmon driver.
> > 
> > I looked through the hwmon, iio and applesmc.c logs, and couldn't
> > find
> > any information about how the move from one to the other. Does
> > anyone
> > know?
> > 
> > I'm asking because the applesmc.c hwmon driver is the only one with
> > support for the "light" property, and if that's not used anymore, I
> > might as well remove that code now (or schedule to remove it).
> 
> Light sensors are out of scope of hwmon, they have nothing to do with
> hardware monitoring.

Why is there still code in applesmc.c to handle the "light" sysfs
property then?

Also, this doesn't answer my question as to when this switch happened.
I don't care one way or the other, but knowing when the switch was made
can allow me to prepare the hwmon driver in iio-sensor-proxy for
removal.

Cheers