linux-kernel - Re: [PATCH] ASoC: dapm: Do not traverse widget hooks to snd-soc-dummy

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Message-ID: <20160317154236.GH2566@sirena.org.uk>
Date:	Thu, 17 Mar 2016 15:42:36 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Lars-Peter Clausen <lars@...afoo.de>
Cc:	"Pan, Harry" <harry.pan@...el.com>,
	"lgirdwood@...il.com" <lgirdwood@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"gs0622@...il.com" <gs0622@...il.com>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	"tiwai@...e.com" <tiwai@...e.com>,
	"perex@...ex.cz" <perex@...ex.cz>
Subject: Re: [PATCH] ASoC: dapm: Do not traverse widget hooks to snd-soc-dummy

On Thu, Mar 17, 2016 at 01:37:16PM +0100, Lars-Peter Clausen wrote:

> I'd say as a quick fix for stable check that card is not NULL in
> dapm_widget_show_component(). And as a longterm fix get rid of dapm_widget
> file. Nobody should hopefully use it anymore with debugfs being available as
> the far better alternative.

Getting rid of the file is definitely not a bad idea but I'd still like
to see us make the dummy component more consistent with other components
in order to minimise the chances that we'll run into other special
cases.

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