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 06/10] iio: adc: mcp3911: add support for oversampling ratio
Date: Fri, 24 Jun 2022 14:09:17 +0200 [thread overview]
Message-ID: <YrWpbcjHSY+se1Aj@gmail.com> (raw)
In-Reply-To: <CAHp75Ve+gDa46MRhTR-5dOutGhXqakZbSX14TurwnsuT4OeuYQ@mail.gmail.com>
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On Thu, Jun 23, 2022 at 09:20:01PM +0200, Andy Shevchenko wrote:
> On Thu, Jun 23, 2022 at 9:08 PM Marcus Folkesson
> <marcus.folkesson@gmail.com> wrote:
> >
> > The chip support oversampling ratio so expose it to userspace.
>
> supports
>
> ratio, so
>
> ...
Thanks
>
> > +static const int mcp3911_osr_table[] = {32, 64, 128, 256, 512, 1024, 2048, 4096};
>
> Spaces inside {}.
Not sure what you mean?
>
> ...
>
> > }
> >
> > +
>
> Unwanted blank line.
>
> ...
Removed
>
> > + switch (val) {
> > + case 4096:
> > + val = FIELD_PREP(MCP3911_CONFIG_OSR, 0x07);
> > + break;
> > + case 2048:
> > + val = FIELD_PREP(MCP3911_CONFIG_OSR, 0x06);
> > + break;
> > + case 1024:
> > + val = FIELD_PREP(MCP3911_CONFIG_OSR, 0x05);
> > + break;
> > + case 512:
> > + val = FIELD_PREP(MCP3911_CONFIG_OSR, 0x04);
> > + break;
> > + case 256:
> > + val = FIELD_PREP(MCP3911_CONFIG_OSR, 0x03);
> > + break;
> > + case 128:
> > + val = FIELD_PREP(MCP3911_CONFIG_OSR, 0x02);
> > + break;
> > + case 64:
> > + val = FIELD_PREP(MCP3911_CONFIG_OSR, 0x01);
> > + break;
> > + case 32:
> > + val = FIELD_PREP(MCP3911_CONFIG_OSR, 0x00);
> > + break;
> > + default:
> > + ret = -EINVAL;
> > + goto out;
> > + }
>
> I understood why the table above, but this is a waste of resources.
> Use that table
Yep, I will use the table instead
>
> ...
>
> > + ret = mcp3911_update(adc, MCP3911_REG_CONFIG,
> > + MCP3911_CONFIG_OSR,
> > + val, 2);
>
> sizeof() ?
sizeof() what?
Thanks,
Marcus Folkesson
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next prev parent reply other threads:[~2022-06-24 12:07 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 [this message]
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
2022-06-23 18:59 ` [PATCH 01/10] iio: adc: mcp3911: correct "microchip,device-addr" property Andy Shevchenko
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