[alsa-devel] Declaring HDMI channel allocation to kernel

Ricardo Neri ricardo.neri at ti.com
Tue Jul 24 19:43:43 CEST 2012

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:


> -gabriel
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