linux-kernel - Re: [PATCH 03/15] ASoC: adav80x: Update locking around use of DAPM pin API

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Date:	Tue, 18 Feb 2014 09:33:14 +0900
From:	Mark Brown <broonie@...nel.org>
To:	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Cc:	myungjoo.ham@...sung.com, cw00.choi@...sung.com,
	dmitry.torokhov@...il.com, lgirdwood@...il.com, lars@...afoo.de,
	peter.ujfalusi@...com, jarkko.nikula@...mer.com,
	eric.y.miao@...il.com, haojian.zhuang@...il.com,
	linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com,
	alsa-devel@...a-project.org, linux@....linux.org.uk
Subject: Re: [PATCH 03/15] ASoC: adav80x: Update locking around use of DAPM
 pin API

On Mon, Feb 17, 2014 at 04:51:31PM +0000, Charles Keepax wrote:

> +		mutex_lock(&codec->dapm.card->dapm_mutex);
> +

I think this needs a helper that just takes the CODEC as an argument and
does the lookup - a static inline in the header would be fine.  The big
long dereference is ugly for something people should be doing and will
be annoying if we want to refactor in the future.

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