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From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Tue, 26 Jul 2022 09:02:42 +0200
Message-ID: <CAHp75Vef7xb+PbHKN_mkycm-ga-YACeYqy3YvkirsGs4YGrxZg@mail.gmail.com>
Subject: Re: [PATCH 1/2] gpio: gpio-74x164: add support for CDx4HC4094
To:     Linus Walleij <linus.walleij@linaro.org>
Cc:     Marcus Folkesson <marcus.folkesson@gmail.com>,
        Bartosz Golaszewski <brgl@bgdev.pl>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Maxime Ripard <mripard@kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        devicetree <devicetree@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Tue, Jul 26, 2022 at 9:00 AM Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
>
> On Tue, Jul 26, 2022 at 8:54 AM Andy Shevchenko
> <andy.shevchenko@gmail.com> wrote:
> > On Tue, Jul 26, 2022 at 12:22 AM Linus Walleij <linus.walleij@linaro.org> wrote:

...

> > See Figure 7 and Table 9 in the datasheet you linked to. When STR is
>
> Table 9 --> Figure 9
>
> > low, the data is not changed. Maybe it's not clear in this datasheet,
> > I found somewhere
> > in a more clear table.

Ah, Table 3 shows that.

> If you have hardware and an oscilloscope you may test it. We will know
> for sure :-)


-- 
With Best Regards,
Andy Shevchenko