Re: [PATCH 1/2] ASoC: ak4118: Add support for AK4118 S/PDIF transceiver

[Mark Brown]

On Thu, Nov 08, 2018 at 01:49:33PM +0100, Clément Péron wrote:

This looks mostly good, a few small things below but nothing too major:

> --- /dev/null
> +++ b/sound/soc/codecs/ak4118.c
> @@ -0,0 +1,449 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * ak4118.c  --  Asahi Kasei ALSA Soc Audio driver
> + *

Please make the entire comment a C++ one so this looks more intentional.

> +static const char * const ak4118_iec958_fs_texts[] = {
> +	"44100",
> +	"Reserved",

If you use a _VALUE_ENUM_SINGLE you can hide the reserved/invalid values
from userspace which is easier to use.

> +	ret = request_threaded_irq(gpiod_to_irq(ak4118->irq), NULL,
> +				   ak4118_irq_handler, IRQF_TRIGGER_RISING |
> +				   IRQF_ONESHOT, "ak4118-irq", ak4118);
> +	if (ret < 0) {
> +		dev_err(component->dev, "Fail to request_irq: %d\n", ret);
> +		return ret;
> +	}

You should request resources in the device level probe, there's no point
in requesting and releasing the interrupt like this.

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