On Fri, Dec 19, 2014 at 04:18:06PM +0000, Andrew Jackson wrote:

The Designware core can be configured with up to four stereo channels.
Each stereo channel is individually configured so, when the driver's
hw_params call is made, each requested stereo channel has to be
programmed.

This is quite unclear to someone who doesn't know the hardware, is this
a bug fix or a new feature?  It looks like it's a fix...
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