On Thu, 05.02.09 14:01, Zhang, Xing Z (xing.z.zhang at intel.com) wrote: > Sorry for late reply, I am just back from holidays. Yes, we are on > the similar way as you said. Now we are working on enhance PA to > introduce policy engine to it. To avoid do changes on PA core code, > we implement the engine as a individual module. We hope the module > is expandable and flexible. The engine is not only suit for PC but > also for embedded system which has specific audio hardware. Now we > are in heavy developing, once codes are ready I will send out the > patch for review. Thanks. Don't be afraid of actually modifying the core of PA. There are a lot of good reasons to modify it. In fact I do it all the time and it is the reason why I generally say that the module API should not be considered stable. If you have a good patch for the core and there are valid reasons to have it in the kernel I am happy to merge patches like this! Lennart -- Lennart Poettering Red Hat, Inc. lennart [at] poettering [dot] net ICQ# 11060553 http://0pointer.net/lennart/ GnuPG 0x1A015CC4