From: Herve Codina <herve.codina@bootlin.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Jonathan Cameron <jic23@kernel.org>,
Lars-Peter Clausen <lars@metafoo.de>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Subject: Re: [PATCH v2 5/9] iio: inkern: Add a helper to query an available minimum raw value
Date: Mon, 5 Jun 2023 16:11:29 +0200 [thread overview]
Message-ID: <20230605161129.4ac3231b@bootlin.com> (raw)
In-Reply-To: <CAHp75Vec3fXT6phqvLGSn0c09USCXXF6ZoE+X1VNJGM6jyf=aQ@mail.gmail.com>
Hi Andy,
On Mon, 5 Jun 2023 12:45:24 +0300
Andy Shevchenko <andy.shevchenko@gmail.com> wrote:
> On Mon, Jun 5, 2023 at 10:46 AM Herve Codina <herve.codina@bootlin.com> wrote:
> > On Sat, 3 Jun 2023 17:04:37 +0300
> > andy.shevchenko@gmail.com wrote:
> > > Tue, May 23, 2023 at 05:12:19PM +0200, Herve Codina kirjoitti:
>
> ...
>
> > > > + case IIO_VAL_INT:
> > > > + *val = vals[--length];
> > >
> > > > + while (length) {
> > >
> > > while (length--) {
> > >
> > > will do the job and at the same time...
> > >
> > > > + if (vals[--length] < *val)
> > > > + *val = vals[length];
> > >
> > > ...this construction becomes less confusing (easier to parse).
> >
> > Indeed, I will change in the next iteration.
>
> And looking into above line, this whole construction I would prefer to
> have a macro in minmax.h like
>
> #define min_array(array, len) \
> {( \
> typeof(len) __len = (len); \
> typeof(*(array)) __element = (array)[--__len]; \
> while (__len--) \
> __element = min(__element, (array)[__len]); \
> __element; \
> )}
>
> (it might need more work, but you got the idea)
I will also introduce max_array() and update both iio_channel_read_max()
and iio_channel_read_min() to use these macros.
Will be available in the next series iteration.
Thanks,
Hervé
>
> > > > + }
> > > > + break;
>
> ...
>
> > > > + default:
> > > > + /* FIXME: learn about min for other iio values */
> > >
> > > I believe in a final version this comment won't be here.
> >
> > We have the same FIXME comment in the iio_channel_read_max() function I
> > copied to create this iio_channel_read_min() and, to be honest, I
> > don't really know how to handle these other cases.
> >
> > In this series, I would prefer to keep this FIXME.
>
> I see, Jonathan needs to be involved here then.
>
> > > > + return -EINVAL;
>
next prev parent reply other threads:[~2023-06-05 14:13 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-23 15:12 [PATCH v2 0/9] Add support for IIO devices in ASoC Herve Codina
2023-05-23 15:12 ` [PATCH v2 1/9] ASoC: dt-bindings: Add audio-iio-aux Herve Codina
2023-05-23 15:12 ` [PATCH v2 2/9] ASoC: dt-bindings: simple-card: Add additional-devs subnode Herve Codina
2023-05-23 15:12 ` [PATCH v2 3/9] iio: inkern: Check error explicitly in iio_channel_read_max() Herve Codina
2023-05-28 17:32 ` Jonathan Cameron
2023-05-23 15:12 ` [PATCH v2 4/9] iio: consumer.h: Fix raw values documentation notes Herve Codina
2023-05-28 17:29 ` Jonathan Cameron
2023-05-23 15:12 ` [PATCH v2 5/9] iio: inkern: Add a helper to query an available minimum raw value Herve Codina
2023-05-28 17:33 ` Jonathan Cameron
2023-06-03 14:04 ` andy.shevchenko
2023-06-05 7:46 ` Herve Codina
2023-06-05 9:45 ` Andy Shevchenko
2023-06-05 14:11 ` Herve Codina [this message]
2023-06-05 17:05 ` Jonathan Cameron
2023-06-05 17:36 ` Herve Codina
2023-05-23 15:12 ` [PATCH v2 6/9] ASoC: soc-dapm.h: Add a helper to build a DAPM widget dynamically Herve Codina
2023-06-03 14:07 ` andy.shevchenko
2023-06-05 8:54 ` Herve Codina
2023-06-05 12:35 ` Herve Codina
2023-05-23 15:12 ` [PATCH v2 7/9] ASoC: codecs: Add support for the generic IIO auxiliary devices Herve Codina
2023-05-28 17:38 ` Jonathan Cameron
2023-06-05 17:22 ` Herve Codina
2023-06-03 18:26 ` andy.shevchenko
2023-06-06 13:54 ` Herve Codina
2023-06-06 14:34 ` Andy Shevchenko
2023-06-07 14:56 ` Herve Codina
2023-06-07 13:23 ` Herve Codina
2023-05-23 15:12 ` [PATCH v2 8/9] ASoC: simple-card: Add missing of_node_put() in case of error Herve Codina
2023-05-23 23:24 ` Kuninori Morimoto
2023-05-23 15:12 ` [PATCH v2 9/9] ASoC: simple-card: Handle additional devices Herve Codina
2023-05-24 0:08 ` Kuninori Morimoto
2023-05-24 0:36 ` Kuninori Morimoto
2023-05-24 12:14 ` Herve Codina
2023-05-25 0:01 ` Kuninori Morimoto
2023-05-26 13:07 ` Herve Codina
2023-05-29 0:18 ` Kuninori Morimoto
2023-06-03 18:27 ` andy.shevchenko
2023-05-26 16:31 ` (subset) [PATCH v2 0/9] Add support for IIO devices in ASoC Mark Brown
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