On Wed, Sep 24, 2014 at 05:55:20PM +0800, Scott Jiang wrote: > Bf5xx and bf6xx reused bf5xx-i2s-pcm.c before. Recently tdm driver > has been merged into bf5xx-i2s-pcm.c and it's not compatible with > bf6xx audio. So create this dma driver and add tdm support later. Can you go into a bit more detail on the differences - clearly there's some similarlities since the drivers got merged, can we really not share any code?