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Date:   Mon, 5 Jun 2023 19:22:45 +0200
From:   Herve Codina <herve.codina@bootlin.com>
To:     Jonathan Cameron <jic23@kernel.org>
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>,
        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 7/9] ASoC: codecs: Add support for the generic IIO
 auxiliary devices
Message-ID: <20230605192245.4132e0ae@bootlin.com>
In-Reply-To: <20230528183855.0c95d308@jic23-huawei>
References: <20230523151223.109551-1-herve.codina@bootlin.com>
 <20230523151223.109551-8-herve.codina@bootlin.com>
 <20230528183855.0c95d308@jic23-huawei>
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Hi Jonathan,

On Sun, 28 May 2023 18:38:55 +0100
Jonathan Cameron <jic23@kernel.org> wrote:

> On Tue, 23 May 2023 17:12:21 +0200
> Herve Codina <herve.codina@bootlin.com> wrote:
> 
> > Industrial I/O devices can be present in the audio path.
> > These devices needs to be used as audio components in order to be fully
> > integrated in the audio path.
> > 
> > This support allows to consider these Industrial I/O devices as auxliary
> > audio devices and allows to control them using mixer controls.
> > 
> > Signed-off-by: Herve Codina <herve.codina@bootlin.com>
> > ---  
> 
> > diff --git a/sound/soc/codecs/audio-iio-aux.c b/sound/soc/codecs/audio-iio-aux.c
> > new file mode 100644
> > index 000000000000..21575c4b35fd
> > --- /dev/null
> > +++ b/sound/soc/codecs/audio-iio-aux.c
> > @@ -0,0 +1,302 @@
> > +// SPDX-License-Identifier: GPL-2.0-only
> > +//
> > +// audio-iio-aux.c  --  ALSA SoC glue to use IIO devices as audio components
> > +//
> > +// Copyright 2023 CS GROUP France
> > +//
> > +// Author: Herve Codina <herve.codina@bootlin.com>
> > +
> > +#include <linux/iio/consumer.h>
> > +#include <linux/module.h>  
> 
> #include <linux/mod_devicetable.h> ideally to pick up
> the of_device_id definition without bouncing through some non 
> obvious header path.

Right, <linux/module.h> will be replaced by <linux/mod_devicetable.h> in the
next iteration.

Thanks for the review,
Hervé

> 
> 
> > +#include <linux/slab.h>
> > +#include <sound/soc.h>
> > +#include <sound/tlv.h>  
> 
> Otherwise, the IIO elements of this look good.  So for those at least
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> 
> I don't have enough knowledge of the snd stuff to review those
> parts.
> 
> Jonathan
> 
>