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

Mike Frysinger vapier.adi at gmail.com
Tue Oct 6 12:00:23 CEST 2009

On Tue, Oct 6, 2009 at 05:50, Mark Brown wrote:
> 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
> up.

except the Blackfin machine drivers are written in such a way that
they arent specific to a board.  they'll work on any system with a
SPORT and a SPI/I2C bus.

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