[alsa-devel] Declaring HDMI channel allocation to kernel

[Gabriel Beddingfield]

Thanks, Ricardo.

Is this just re-arranging the chanels in-place?  I'm not sure that's
what I need.  In this case, I'm needing to be able to differentiate
between "quad" (FL, FR, RL, RR) and "surround" (FL, FR, FC, RC) in
order to support both.

-gabriel

On Tue, Jul 24, 2012 at 12:43 PM, Ricardo Neri <ricardo.neri at ti.com> wrote:
> Hi Gabriel,
>
>
> On 07/24/2012 07:30 AM, Gabriel M. Beddingfield wrote:
>>
>> On 07/23/2012 02:39 PM, Pierre-Louis Bossart wrote:
>>>
>>> On 7/23/2012 9:18 AM, Gabriel M. Beddingfield wrote:
>>>>
>>>>
>>>> Is there an established way for me (from userspace) to pass the HDMI
>>>> Channel Allocation (1 byte) to the driver?  If not, can you recommend
>>>> an approach?
>>
>> [snip[
>>>
>>> I believe this is one of the topics that will be presented by Takashi at
>>> LPC, we need the ability to specify a arbitrary sink-specific channel
>>> mapping.
>>
>>
>> OK, thanks!  So then, to do this today I need to add my own special sauce.
>
>
> FWIW, in the past I could use the route plugin to achieve arbitrary channel
> mapping. This was done by SW, though. The details are here:
>
> http://mailman.alsa-project.org/pipermail/alsa-devel/2012-April/051573.html
>
> Ricardo
>>
>>
>> -gabriel
>>
>>
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>
>