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Date:   Mon, 8 May 2023 14:28:01 -0700
From:   Dmitry Torokhov <dmitry.torokhov@gmail.com>
To:     Linus Walleij <linus.walleij@linaro.org>
Cc:     Aaro Koskinen <aaro.koskinen@iki.fi>,
        Janusz Krzysztofik <jmkrzyszt@gmail.com>,
        Tony Lindgren <tony@atomide.com>,
        Russell King <linux@armlinux.org.uk>,
        Daniel Mack <daniel@zonque.org>,
        Haojian Zhuang <haojian.zhuang@gmail.com>,
        Robert Jarzmik <robert.jarzmik@free.fr>,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        Mark Brown <broonie@kernel.org>,
        Bartosz Golaszewski <bartosz.golaszewski@linaro.org>,
        Andreas Kemnade <andreas@kemnade.info>,
        Helge Deller <deller@gmx.de>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org,
        linux-input@vger.kernel.org, linux-spi@vger.kernel.org,
        linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
        linux-mmc@vger.kernel.org
Subject: Re: [PATCH v3 1/3] Input: ads7846 - Convert to use software nodes
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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