[alsa-devel] [PATCH v2 1/2] dt-bindings: sound: Add DT bindings for Broadcom Cygnus audio

[Mark Brown]

On Thu, Nov 05, 2015 at 12:01:52PM -0800, Simran Rai wrote:
> On 11/4/2015 6:07 AM, Mark Brown wrote:
> >On Mon, Nov 02, 2015 at 02:11:23PM -0800, Simran Rai wrote:

> >>+  Interfaces grouping of serial port. In multi-channel stereo, use
> >>+  "2_0", in 3.1 multi-channel grouping, use "3_1" and in 5.1
> >>+  multi-channel grouping, use "5_1".

> >I don't really understand what this means or why this is not runtime
> >configured.

> By runtime configured, do you mean passing the channel grouping through
> machine file? Is there any specific callback that I can use?

No, this appears to just be setting the number of channels which is
normally configured depending on how many channels userspace is playing.
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