[Sound-open-firmware] [PATCH v6] Add support to replace stale stream/trace position updates.

[Liam Girdwood]

On Thu, 2017-12-07 at 15:34 +0800, yan.wang at linux.intel.com wrote:
> From: Yan Wang <yan.wang at linux.intel.com>
> 
> Host message queue is long sometimes. So when one new IPC message
> like
> DMA trace host offset is pushed into, the previous same type IPC
> message may
> haven't been sent.
> For every type of IPC message, there are different comparison
> conditions.
> So need a group of sub-finding functions to do and user also can
> extend them
> easily based on new requirements in the future.

I've simplified (by moving the list iterators into the case) and
applied.

Liam