[alsa-devel] [Uclinux-dist-devel] [PATCH 2/2] ASoC: Blackfin AD1836/AD1938 machine drivers: require SPI master

Mark Brown broonie at opensource.wolfsonmicro.com
Tue Oct 6 11:50:18 CEST 2009

On Tue, Oct 06, 2009 at 05:41:40AM -0400, Mike Frysinger wrote:

> there is no dependency on a specific spi bus master implementation.
> just like the i2c framework, such a dependency would be against the
> whole purpose of having a generic framework in the first place.
> fortunately, this is one piece of the Blackfin ASoC drivers done
> correctly.  in other words, they should work just fine if hooked up to
> a GPIO SPI bus or a SPORT SPI bus or a Blackfin on-chip SPI bus or
> ......

These are board-specific drivers to hook things up on a given system
(presumably various eval boards), they're the non-generic part of the
system that says how the generic DAI and CODEC drivers have been hooked

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