2017-06-28 1:36 GMT+08:00 Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>: > Hi, > > On Tue, Jun 27, 2017 at 11:29:10PM +0800, icenowy@xxxxxxx wrote: >> Maxime, here's another problem: if we have already a GP LRADC driver, >> how can we tell the kernel to use it as IIO ADC rather than keys? > > The GPADC IIO driver is not for the LRADC driver, but the GPADC / > temperature sensor. > > We used to have an LRADC IIO driver in the CHIP BSP written by Alex > (in CC): > https://github.com/NextThingCo/CHIP-linux/commit/8675b761c54be73dc7cc0113209f02e10cc63a27 > > But he never mainlined it. > >> Should we introduce a new property for this once ready? > > We need to keep the current binding. We can just check for the > presence or not of child nodes to see if it has some keys, and we'd > need an IIO-to-input driver that is yet to be written. > Yes, then we need an iio-to-input driver... So...whether the driver(a83t lradc keys) can be applied now, or we should wait for the iio-to-input driver. Thanks Ziping > Maxime > > -- > Maxime Ripard, Free Electrons > Embedded Linux and Kernel engineering > http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
