[PATCH 1/3] iio: adc: sun4i-gpadc-iio: no temp sensor on R40

[Jonathan Cameron]

On Tue, 11 Jan 2022 16:13:02 +0300
Evgeny Boger <boger at wirenboard.com> wrote:

> 22.11.2021 15:41, Jonathan Cameron пишет:
> > On Mon, 22 Nov 2021 10:11:32 +0100
> > Maxime Ripard <maxime at cerno.tech> wrote:
> >  
> >> On Fri, Nov 19, 2021 at 10:14:54PM +0300, Evgeny Boger wrote:  
> >>> R40 SoC has touchscreen controller also serving as general-purpose ADC.
> >>> The hardware is very similar to A31, except that R40 has separate
> >>> calibrated thermal sensor IP (handled by sun8i_thermal).
> >>>
> >>> Despite the temperature sensor in the RTP is never mentioned in
> >>> the R40 family user manuals, it appears to be working. However,
> >>> it's not very useful as it lacks calibration data and there is another
> >>> fully functioning temperature sensor anyway.
> >>>
> >>> This patch disables the temperature sensor in RTP/GPADC IP on R40.
> >>>
> >>> The reason for disabling the temperature sensor is that the IP
> >>> needs to be switched back and forth between RTP and GPADC modes for
> >>> temperature measurements. Not only this introduces delays, but it also
> >>> disturbs external circuitry by injecting current into ADC inputs.
> >>>
> >>> Signed-off-by: Evgeny Boger <boger at wirenboard.com>  
> >> Acked-by: Maxime Ripard <maxime at cerno.tech>  
> > +Cc linux-iio at vger.kernel.org
> >
> > I'm fine with this and assuming Lee is happy to pick it up + send
> > me an immutable branch in case anything crosses with it this cycle..
> >
> > Acked-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>  
> 
> Hi Jonathan!
> 
> Is there anything else I should do to make this patch series accepted?

Perhaps try a resend to Lee Jones, making sure to cc linux-iio
Chances are it just got missed in the deluge!

Jonathan


> 
> 
> > Thanks,
> >
> > Jonathan
> >  
> >> Maxime
> >>  
>