On Thu, Jun 27, 2013 at 11:17:32AM +0200, Maxime Ripard wrote: > On Wed, Jun 26, 2013 at 07:39:27AM -0700, Guenter Roeck wrote: > > On Wed, Jun 26, 2013 at 10:51:12AM +0200, Alexandre Belloni wrote: > > > The low resolution ADC of the mxs is able to read an internal temperature > > > sensor, expose that using hwmon. > > > > > > Signed-off-by: Alexandre Belloni <alexandre.bell...@free-electrons.com> > > > --- > > > > Wouldn't it make more sense to use iio-hwmon and improve it if necessary ? > > Actually, I wonder if we should not just put the hwmon driver > capabilities directly into the mxs-lradc driver, just like it's already > been done in this driver for the touchscreen support. > > The probing of this hwmon driver doesn't really belong to the DT, it's > not really realistic to probe it from the machine definition, and it > really is the IP that is wired that way. > Merging iio-hwmon functionality into an adc driver seems just as bad (or even worse) as copying it into a new driver.
If the lradc driver knows that the ADC channels are temperature sensors, it should register them with the iio subsystem as IIO_TEMP type. Then you should be able to use iio_hwmon as is. Guenter _______________________________________________ devicetree-discuss mailing list devicetree-discuss@lists.ozlabs.org https://lists.ozlabs.org/listinfo/devicetree-discuss
