On Thu, Jun 28, 2012 at 05:26:58PM +0530, Laxman Dewangan wrote:

Other driver which can use this API are davinci, OMAP, samsung but because they are not using the snd_dmaengine_pcm driver's api as of now so not be very much useful for them.

There's no reason why we can't factor out more common code - this is essentially what Lars-Peter was saying.

Should I send one patch per driver change or squash all 4 file changes in one patch? Whatever will be easy or recommended?

It doesn't really matter that much, but please take on board Lars-Peter's comments.