linux-kernel - Re: [PATCH] Add SoundCard driver for OKI SEMICONDUCTOR ML7213 IOH

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Message-ID: <s5hiprbj40h.wl%tiwai@suse.de>
Date:	Sat, 09 Jul 2011 09:40:30 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Toshiharu Okada <toshiharu-linux@....okisemi.com>, perex@...ex.cz,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	qi.wang@...el.com, yong.y.wang@...el.com, joel.clark@...el.com,
	kok.howg.ewe@...el.com, tomoya-linux@....okisemi.com
Subject: Re: [PATCH] Add SoundCard driver for OKI SEMICONDUCTOR ML7213 IOH

At Sat, 9 Jul 2011 02:34:41 +0100,
Mark Brown wrote:
> 
> On Thu, Jul 07, 2011 at 06:38:33PM +0200, Takashi Iwai wrote:
> 
> > It's not clear what you mean exactly as "unfixed", but in general, the
> > decision rather depends on the usage of the device.  If it's designed
> > for a use as a desktop PC component (such as a PCI card or
> > onboard-audio on PC), it'd make sense to implement as a stand-alone,
> > self-contained driver.
> 
> > OTOH, if it's targeted mainly for embedded area, ASoC is the right
> > answer.  It's more modularized, and can be more flexibly configured in
> > the end.
> 
> I'd say it depends rather more on the physical system design.  If there
> are a bunch of separate chips which are interacted with separately by
> software then ASoC makes sense, if the card is one logical object to
> hardware a vanilla ALSA driver probably does.

True.  And that's practically what differentiates between
PC-components and embedded devices :)


Takashi
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