[alsa-devel] [RFC PATCH 3/5] pxa: clean up the legacy SSP API

Russell King - ARM Linux linux at arm.linux.org.uk
Wed Apr 29 10:41:09 CEST 2009


On Wed, Apr 29, 2009 at 09:21:53AM +0100, Mark Brown wrote:
> On Wed, Apr 29, 2009 at 08:27:06AM +0100, Russell King - ARM Linux wrote:
> > On Tue, Apr 28, 2009 at 08:06:08PM -0300, Daniel Ribeiro wrote:
> 
> > > The SPI subsystem?
> 
> > Can the SPI system cope with the other chip being the master of the
> > interface.  In other words, can SPI sit around primed for a transfer,
> > and notify the user of SPI that new data has arrived?
> 
> > If not, the SPI subsystem is totally unsuitable for this.
> 
> It's slave only at the minute - there's holes in the API someone could
> fill in but that's not happened yet.

Well, I guess someone else will have to do that; I don't spend much time
on the LX stuff, and so if it requires any time consuming work, it won't
be worth trying to get it into mainline.


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