From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Kurt Borja <kuurtb@gmail.com>
Cc: "Jonathan Cameron" <jic23@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Tobias Sperling" <tobias.sperling@softing.com>,
"David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
"Jonathan Cameron" <Jonathan.Cameron@huawei.com>
Subject: Re: [PATCH v3 2/2] iio: adc: Add ti-ads1018 driver
Date: Sat, 29 Nov 2025 16:23:36 +0200 [thread overview]
Message-ID: <aSsB6JmmSdMT23YM@smile.fi.intel.com> (raw)
In-Reply-To: <aSsBdJZDWcadxEHC@smile.fi.intel.com>
On Sat, Nov 29, 2025 at 04:21:46PM +0200, Andy Shevchenko wrote:
> On Fri, Nov 28, 2025 at 10:47:13PM -0500, Kurt Borja wrote:
...
> > +/**
> > + * ADS1018_FSR_TO_SCALE - Converts FSR into scale
> > + * @_fsr: Full-scale range in millivolts
> > + * @_res: ADC resolution
>
> Add here something like this:
>
> *
> * The macro is crafted to avoid potential overflows on 32-bit machines.
> * This imposes restrictions to the possible values for @_fsr (less
> * than 274878), and @_res (great or equal to 6 bits).
* than 274878), and @_res (great than or equal to 6 bits).
(I missed "than")
> *
>
> > + * Return: Scale in IIO_VAL_INT_PLUS_NANO format
> > + */
> > +#define ADS1018_FSR_TO_SCALE(_fsr, _res) \
> > + { 0, ((_fsr) * (MICRO >> 6)) / BIT((_res) - 6) }
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2025-11-29 14:23 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-29 3:47 [PATCH v3 0/2] iio: Add support for TI ADS1X18 ADCs Kurt Borja
2025-11-29 3:47 ` [PATCH v3 1/2] dt-bindings: iio: adc: Add TI ADS1018/ADS1118 Kurt Borja
2025-11-29 9:25 ` Krzysztof Kozlowski
2025-11-30 3:32 ` Kurt Borja
2025-11-29 3:47 ` [PATCH v3 2/2] iio: adc: Add ti-ads1018 driver Kurt Borja
2025-11-29 14:21 ` Andy Shevchenko
2025-11-29 14:23 ` Andy Shevchenko [this message]
2025-11-30 3:31 ` Kurt Borja
2025-11-30 16:45 ` Andy Shevchenko
2025-12-01 16:07 ` David Lechner
2025-12-01 19:47 ` Kurt Borja
2025-12-01 21:53 ` David Lechner
2025-12-02 14:46 ` Kurt Borja
2025-12-06 19:27 ` Jonathan Cameron
2025-12-07 16:01 ` Kurt Borja
2025-11-29 17:08 ` kernel test robot
2025-12-01 23:09 ` David Lechner
2025-12-02 14:39 ` Kurt Borja
2025-12-02 14:59 ` Andy Shevchenko
2025-12-02 17:49 ` Kurt Borja
2025-12-02 18:04 ` Andy Shevchenko
2025-12-02 16:52 ` Kurt Borja
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