[alsa-devel] [PATCH] Add SoundCard driver for OKI SEMICONDUCTOR ML7213 IOH

[Mark Brown]

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.