Re: [PATCH v3 1/3] Input: ads7846 - Convert to use software nodes

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Mon, May 08, 2023 at 11:23:44PM +0200, Linus Walleij wrote:
> On Fri, May 5, 2023 at 8:08 PM Dmitry Torokhov
> <dmitry.torokhov@gmail.com> wrote:
> 
> > > -     return !gpio_get_value(ts->gpio_pendown);
> > > +     return !gpiod_get_value(ts->gpio_pendown);
> >
> > This needs to be
> >
> >         return !gpiod_get_value_raw(ts->gpio_pendown);
> 
> There is no such function. The gpio descriptor runpath simply assumes that
> device trees can be trusted.

Sorry, this was supposed to be gpiod_get_raw_value():

https://elixir.bootlin.com/linux/latest/source/drivers/gpio/gpiolib.c#L2854

> 
> > I looked at various DTSes we have and they use a mix of active high and
> > active low annotations, so we have to go with the "raw" variant for now,
> > and then update to normal one once we update bad DTSes.
> 
> I just sighed and fixed all the device trees :D

Yeah, we we can land the DT fixes ahead of the driver change that would
be great. Otherwise we need a temporary application of
gpiod_get_raw_value().

> 
> Yours,
> Linus Walleij

-- 
Dmitry