Re: [PATCH v2 7/9] ASoC: codecs: Add support for the generic IIO auxiliary devices

[Jonathan Cameron]

On Tue, 23 May 2023 17:12:21 +0200
Herve Codina <herve.codina@xxxxxxxxxxx> 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@xxxxxxxxxxx>
> ---

> 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@xxxxxxxxxxx>
> +
> +#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.


> +#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@xxxxxxxxxx>

I don't have enough knowledge of the snd stuff to review those
parts.

Jonathan