From: Marcus Folkesson <marcus.folkesson@gmail.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Kent Gustavsson <kent@minoris.se>,
Jonathan Cameron <jic23@kernel.org>,
Lars-Peter Clausen <lars@metafoo.de>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
linux-iio <linux-iio@vger.kernel.org>,
devicetree <devicetree@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 10/10] iio: adc: mcp3911: add support to set PGA
Date: Fri, 24 Jun 2022 14:05:08 +0200 [thread overview]
Message-ID: <YrWodHgbTJrUJ2lZ@gmail.com> (raw)
In-Reply-To: <CAHp75Vf7=Pk7T8ysrFS9u1sKQXUpqczGJkaeX-MLbwpx-iM2rg@mail.gmail.com>
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On Thu, Jun 23, 2022 at 09:15:51PM +0200, Andy Shevchenko wrote:
> On Thu, Jun 23, 2022 at 7:41 PM Marcus Folkesson
> <marcus.folkesson@gmail.com> wrote:
> >
> > Add support for setting the Programmable Gain Amplifiers by adjust the
> > scale value.
>
> ...
>
> > + int ret = mcp3911_read(adc, MCP3911_REG_GAIN, val, 1);
> > +
> > + if (ret)
> > + return ret;
>
> Please split the assignment.
>
> int ret;
>
> ret = ...
> if (ret)
OK
>
>
> ...
>
> > + *val >>= channel * 3;
> > + *val &= 0x07;
>
> GENMASK() ?
I will use GENMASK
>
> > + *val = (1 << *val);
>
> Unneeded parentheses, perhaps BIT()?
I will switch to BIT()
>
> ...
>
> > + ret = mcp3911_update(adc, MCP3911_REG_GAIN,
> > + MCP3911_GAIN_MASK(channel->channel),
> > + MCP3911_GAIN_VAL(channel->channel,
> > + i), 1);
>
> This is not good indentation, at least i), should be on the previous line.
Agree
>
> ...
>
> > +static int mcp3911_calc_scale_table(struct mcp3911 *adc)
> > +{
> > + u32 ref = MCP3911_INT_VREF_MV;
> > + u32 div;
>
> > + int ret = 0;
>
> Useless assignment.
Agree
>
>
> Return directly.
OK
>
>
> The useless label.
Agree
>
> > + return ret;
>
Thanks,
Marcus Folkesson
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next prev parent reply other threads:[~2022-06-24 12:03 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-23 17:08 [PATCH 01/10] iio: adc: mcp3911: correct "microchip,device-addr" property Marcus Folkesson
2022-06-23 17:08 ` [PATCH 02/10] iio: adc: mcp3911: use resource-managed version of iio_device_register Marcus Folkesson
2022-06-23 19:01 ` Andy Shevchenko
2022-06-24 6:29 ` Marcus Folkesson
2022-06-25 11:24 ` Jonathan Cameron
2022-06-28 12:01 ` Andy Shevchenko
2022-06-23 17:08 ` [PATCH 03/10] iio: adc: mcp3911: add support for buffers Marcus Folkesson
2022-06-23 17:08 ` [PATCH 04/10] iio: adc: mcp3911: add support for interrupts Marcus Folkesson
2022-06-23 19:04 ` Andy Shevchenko
2022-06-24 12:01 ` Marcus Folkesson
2022-06-23 17:08 ` [PATCH 05/10] dt-bindings: iio: adc: mcp3911: add microchip,data-ready-hiz entry Marcus Folkesson
2022-06-24 9:54 ` Krzysztof Kozlowski
2022-06-24 12:10 ` Marcus Folkesson
2022-06-24 17:26 ` Rob Herring
2022-06-23 17:08 ` [PATCH 06/10] iio: adc: mcp3911: add support for oversampling ratio Marcus Folkesson
2022-06-23 19:20 ` Andy Shevchenko
2022-06-24 12:09 ` Marcus Folkesson
2022-06-28 11:56 ` Andy Shevchenko
2022-06-23 17:08 ` [PATCH 07/10] iio: adc: mcp3911: use correct formula for AD conversion Marcus Folkesson
2022-06-23 17:08 ` [PATCH 08/10] iio: adc: mcp3911: add support for phase Marcus Folkesson
2022-06-23 19:07 ` Andy Shevchenko
2022-06-24 12:02 ` Marcus Folkesson
2022-06-25 11:33 ` Jonathan Cameron
2022-06-23 17:08 ` [PATCH 09/10] iio: adc: mcp3911: make use of the sign bit Marcus Folkesson
2022-06-23 17:08 ` [PATCH 10/10] iio: adc: mcp3911: add support to set PGA Marcus Folkesson
2022-06-23 17:26 ` Marcus Folkesson
2022-06-23 19:15 ` Andy Shevchenko
2022-06-24 12:05 ` Marcus Folkesson [this message]
2022-06-23 18:59 ` [PATCH 01/10] iio: adc: mcp3911: correct "microchip,device-addr" property Andy Shevchenko
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