From: Emil Gedenryd <Emil.Gedenryd@axis.com>
To: "jic23@kernel.org" <jic23@kernel.org>
Cc: "linux-iio@vger.kernel.org" <linux-iio@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"robh@kernel.org" <robh@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"dannenberg@ti.com" <dannenberg@ti.com>,
"krzk+dt@kernel.org" <krzk+dt@kernel.org>,
"lars@metafoo.de" <lars@metafoo.de>,
"conor+dt@kernel.org" <conor+dt@kernel.org>,
Kernel <Kernel@axis.com>
Subject: Re: [PATCH 1/3] iio: light: opt3001: add missing full-scale range value
Date: Mon, 9 Sep 2024 07:15:07 +0000 [thread overview]
Message-ID: <a9021ca8ec6b52cbbac744ccced14aea605a1da4.camel@axis.com> (raw)
In-Reply-To: <20240907182824.56396b0a@jic23-huawei>
On Sat, 2024-09-07 at 18:28 +0100, Jonathan Cameron wrote:
> On Thu, 5 Sep 2024 12:20:45 +0200
> Emil Gedenryd <emil.gedenryd@axis.com> wrote:
>
> > The opt3001 driver uses predetermined full-scale range values to
> > determine what exponent to use for event trigger threshold values.
> > The problem is that one of the values specified in the datasheet is
> > missing from the implementation, causing a big gap in settable values.
> >
> > Add missing full-scale range array value.
> >
> > Signed-off-by: Emil Gedenryd <emil.gedenryd@axis.com>
> I assume this has more of an impact in that if you write values beyond this one
> the index will be off by one and the value written to the register
> will be incorrect?
>
> Please clarify if that is the case and also add a fixes tag
> to the commit that introduced this bug.
>
> Thanks,
>
> Jonathan
Hi Jonathan,
You are correct regarding the behaviour. Thanks for the suggestion
on how to clarify the message, I'll update it as well as add a fixes
tag when I submit a new version either later today or tomorrow.
Best regards,
Emil
>
> > ---
> > drivers/iio/light/opt3001.c | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c
> > index 887c4b776a86..176e54bb48c3 100644
> > --- a/drivers/iio/light/opt3001.c
> > +++ b/drivers/iio/light/opt3001.c
> > @@ -138,6 +138,10 @@ static const struct opt3001_scale opt3001_scales[] = {
> > .val = 20966,
> > .val2 = 400000,
> > },
> > + {
> > + .val = 41932,
> > + .val2 = 800000,
> > + },
> > {
> > .val = 83865,
> > .val2 = 600000,
> >
>
next prev parent reply other threads:[~2024-09-09 7:15 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-05 10:20 [PATCH 0/3] iio: light: opt3001: add support for TI's opt3002 light sensor Emil Gedenryd
2024-09-05 10:20 ` [PATCH 1/3] iio: light: opt3001: add missing full-scale range value Emil Gedenryd
2024-09-07 17:28 ` Jonathan Cameron
2024-09-09 7:15 ` Emil Gedenryd [this message]
2024-09-05 10:20 ` [PATCH 2/3] iio: light: opt3001: add support for TI's opt3002 light sensor Emil Gedenryd
2024-09-05 10:37 ` Krzysztof Kozlowski
2024-09-06 21:32 ` kernel test robot
2024-09-07 17:35 ` Jonathan Cameron
2024-09-09 7:54 ` Emil Gedenryd
2024-09-09 19:13 ` Jonathan Cameron
2024-09-13 7:18 ` Emil Gedenryd
2024-09-05 10:20 ` [PATCH 3/3] dt-bindings: iio: light: opt3001: add compatible for opt3002 Emil Gedenryd
2024-09-05 10:38 ` Krzysztof Kozlowski
2024-09-05 11:11 ` Rob Herring (Arm)
2024-09-05 10:38 ` [PATCH 0/3] iio: light: opt3001: add support for TI's opt3002 light sensor Krzysztof Kozlowski
2024-09-05 10:55 ` Emil Gedenryd
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