Re: [PATCH v6 3/3] iio: proximity: Add a ChromeOS EC MKBP proximity driver

From: Jonathan Cameron
Date: Sat Mar 13 2021 - 09:58:41 EST


On Fri, 12 Mar 2021 13:23:35 -0800
Gwendal Grignou <gwendal@xxxxxxxxxxxx> wrote:

> On Sun, Feb 21, 2021 at 7:53 AM Jonathan Cameron <jic23@xxxxxxxxxx> wrote:
> >
> > On Sun, 14 Feb 2021 12:39:58 -0800
> > Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote:
> >
> > > Quoting Jonathan Cameron (2021-02-14 04:48:09)
> > > > On Wed, 10 Feb 2021 18:46:01 -0800
> > > > Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote:
> > > >
> > > > > Add support for a ChromeOS EC proximity driver that exposes a "front"
> > > > > proximity sensor via the IIO subsystem. The EC decides when front
> > > > > proximity is near and sets an MKBP switch 'EC_MKBP_FRONT_PROXIMITY' to
> > > > > notify the kernel of proximity. Similarly, when proximity detects
> > > > > something far away it sets the switch bit to 0. For now this driver
> > > > > exposes a single sensor, but it could be expanded in the future via more
> > > > > MKBP bits if desired.
> > > > >
> > > > > Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> > > > > Cc: Benson Leung <bleung@xxxxxxxxxxxx>
> > > > > Cc: Guenter Roeck <groeck@xxxxxxxxxxxx>
> > > > > Cc: Douglas Anderson <dianders@xxxxxxxxxxxx>
> > > > > Cc: Gwendal Grignou <gwendal@xxxxxxxxxxxx>
> > > > > Reviewed-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
> > > > > Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> > > >
> > > > I'm fine with this, but want to leave a little time for others to take
> > > > one last look. We've missed the coming merge window now anyway.
> > > >
> > > > If I seem to have forgotten this in a couple of weeks, feel free to
> > > > give me a bump.
> > > >
> > >
> > > Ok no problem. Gwendal had some comments on v5 that may be applicable
> > > here too but I think they mostly mean that the resume handler may not be
> > > needed if cros ec is fixed. Having the resume handler shouldn't hurt
> > > though unless I missed something. Gwendal?
> >
> > @Gwendal, could you take a quick glance at this, or alternatively let
> > us know if you need more time to get to it.
> It will work as is.
>
> Reviewed-by: Gwendal Grignou <gwendal@xxxxxxxxxxxx>
Applied to the togreg branch of iio.git. My local build test highlighted
a much older kernel-doc naming issue so I've sent out a patch to tidy that
up whilst we are here.

Thanks,

Jonathan

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