linux-kernel - Re: [PATCH 1/3] ASoC: jack: Add a jack detect callback via codec

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Date:	Mon, 18 Apr 2016 10:22:18 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Xing Zheng <zhengxing@...k-chips.com>
Cc:	linux-rockchip@...ts.infradead.org, heiko@...ech.de,
	Adam.Thomson@...semi.com, sugar.zhang@...k-chips.com,
	jay.xu@...k-chips.com, Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] ASoC: jack: Add a jack detect callback via codec

On Mon, Apr 18, 2016 at 04:17:30PM +0800, Xing Zheng wrote:
> This patch add a callback when a codec have the jack detect feature.

> +void snd_soc_jack_codec_detect(struct snd_soc_codec *codec,
> +				struct snd_soc_jack *jack)
> +{
> +	if (codec && codec->driver && codec->driver->detect_jack)
> +		codec->driver->detect_jack(codec, jack);
> +}
> +EXPORT_SYMBOL_GPL(snd_soc_jack_codec_detect);

I've no idea what this is supposed to do sorry, you need a much better
changelog and probably also a restructuring of the code.  This says it
is adding a callback but it doesn't do that, it adds an export of a
function that calls an operation in a driver with no explanation.

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