2017-06-29 15:53 GMT+08:00 Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>: > On Thu, Jun 29, 2017 at 12:45:51PM +0800, Ziping Chen wrote: >> 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. > > This is a long term discussion, it shouldn't hold the patches you > sent. OK, I get it. And I will think about how to implement 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