[alsa-devel] Declaring HDMI channel allocation to kernel
pierre-louis.bossart at linux.intel.com
Mon Jul 23 21:39:38 CEST 2012
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?
> In most of the drivers that I've inspected, the drivers seem to assume
> that there's a 1:1 mapping of Number-of-Channels to
> Channel-Allocation. However, the HDMI sink declares which speakers it
> has attached in the EDID. If I can match this in userspace... I need
> a way to communicate it to the driver.
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
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