linux-kernel - Re: [PATCH RESEND V2 2/3] ASoC: amd: add Machine driver for Jadeite platform

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Date:   Mon, 4 Jul 2022 16:57:18 +0200
From:   Amadeusz Sławiński 
        <amadeuszx.slawinski@...ux.intel.com>
To:     Vijendar Mukunda <Vijendar.Mukunda@....com>, broonie@...nel.org,
        alsa-devel@...a-project.org
Cc:     Sunil-kumar.Dommati@....com,
        open list <linux-kernel@...r.kernel.org>,
        Basavaraj.Hiregoudar@....com, Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>, Alexander.Deucher@....com,
        zhuning@...rest-semi.com
Subject: Re: [PATCH RESEND V2 2/3] ASoC: amd: add Machine driver for Jadeite
 platform

On 7/4/2022 4:08 PM, Vijendar Mukunda wrote:
> Add Machine driver for Jadeite platform which uses ES8336 codec.
> 
> Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@....com>
> 
> Changes since v1:
>        - as sysclk is fixed, moved code to startup() callback.
>        - Removed unused macros (ST_PLAT_CLK & ST_ES8336_GPIO_QUIRK) from code.
> ---
>   sound/soc/amd/acp-es8336.c | 324 +++++++++++++++++++++++++++++++++++++
>   1 file changed, 324 insertions(+)
>   create mode 100644 sound/soc/amd/acp-es8336.c
> 
> diff --git a/sound/soc/amd/acp-es8336.c b/sound/soc/amd/acp-es8336.c
> new file mode 100644
> index 000000000000..eec3d57092fa
> --- /dev/null
> +++ b/sound/soc/amd/acp-es8336.c
> @@ -0,0 +1,324 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Machine driver for AMD Stoney platform using ES8336 Codec
> + *
> + * Copyright 2022 Advanced Micro Devices, Inc.
> + */
> +
> +#include <sound/core.h>
> +#include <sound/soc.h>
> +#include <sound/pcm.h>
> +#include <sound/pcm_params.h>
> +#include <sound/soc-dapm.h>
> +#include <sound/jack.h>
> +#include <linux/gpio.h>
> +#include <linux/device.h>
> +#include <linux/dmi.h>
> +#include <linux/gpio/consumer.h>
> +#include <linux/gpio/machine.h>
> +#include <linux/i2c.h>
> +#include <linux/input.h>
> +#include <linux/module.h>
> +#include <linux/platform_device.h>
> +#include <linux/module.h>
> +#include <linux/acpi.h>
> +
> +#include "../codecs/es8316.h"

Any reason to include this header? From quick check I see that it only 
defines ES8316_* defines and those don't seem to be used anywhere in 
this driver?

(...)

> +
> +static int st_es8336_remove(struct platform_device *pdev)
> +{
> +	return 0;
> +}

No need to provide .remove handler when it only returns.