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From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Wed, 13 Nov 2019 19:32:24 +0100
Message-ID: <CAMuHMdWp8Sjkz7oOa6cHOQcHP5cwHMQcp_4aNA=HssBjrtGZQQ@mail.gmail.com>
Subject: Re: [PATCH] iio: adc: max9611: Fix too short conversion time delay
To:     Wolfram Sang <wsa@the-dreams.de>
Cc:     Geert Uytterhoeven <geert+renesas@glider.be>,
        Jacopo Mondi <jacopo+renesas@jmondi.org>,
        Jonathan Cameron <jic23@kernel.org>,
        Hartmut Knaack <knaack.h@gmx.de>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
        Wolfram Sang <wsa+renesas@sang-engineering.com>,
        linux-iio@vger.kernel.org,
        Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Hi Wolfram,

On Wed, Nov 13, 2019 at 7:01 PM Wolfram Sang <wsa@the-dreams.de> wrote:
> > According to the datasheet, the typical ADC conversion time is 2 ms, but
> > no minimum or maximum values are provided.
>
> That sentence makes me want to increase the delay to 4ms.

That sounds a bit excessive to me.
According to my measurements, it's 1.8 ms.

=> 3 ms?

> Maybe we can ask someone at Analog in parallel? I recently found this
> patch from an Analog developer in my inbox "[RESEND PATCH] drm: bridge:
> adv7511: Fix low refresh rate register for ADV7533/5" Or do you guys
> know a better contact?

s/Analog/Maxim/?

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds