linux-kernel - Re: [PATCH] ASoC: make dapm cache search depth configurable

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Message-ID: <20150910103134.GE20922@sirena.org.uk>
Date:	Thu, 10 Sep 2015 11:31:35 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Nikesh <noswal@...nsource.wolfsonmicro.com>
Cc:	Nikesh Oswal <nikesh@...nsource.wolfsonmicro.com>,
	lgirdwood@...il.com, perex@...ex.cz, tiwai@...e.de,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	patches@...nsource.wolfsonmicro.com, Nikesh.Oswal@...rus.com
Subject: Re: [PATCH] ASoC: make dapm cache search depth configurable

On Thu, Sep 10, 2015 at 10:42:50AM +0100, Nikesh wrote:
> Hi Mark,

As I'm fairly sure I've had to tell you before don't top post.  This
means that when someone sees something like this:

> The reason I though this will be usefull is as below:

while reading they know what the "this" you are talking about is.

> the widgets in wm5110_dapm_widgets[]) as defined in this macro. But if you
> notice the way DSP widgets are created they use a WM_ADSP2 macro which
> creates a preloader widget for every DSP widget and we want to skip past
> this preloader widget when doing a cache search so increasing the cache
> search depth helps here.

Why is the solution to this problem to add device specific tuning?  Is
this extremely expensive so no other device would want it?

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