[alsa-devel] [RFC][PATCH] ELD routines and proc interface

Wu Fengguang wfg at linux.intel.com
Wed Nov 19 08:17:57 CET 2008

On Tue, Nov 18, 2008 at 11:11:35PM -0800, Shane W wrote:
> On Thu, Nov 13, 2008 at 10:21:53AM +0800, Wu Fengguang wrote:
> > Create hda_eld.c for ELD routines and proc interface.
> Hi,

Hi Shane,

> Just testing this and your multichannel HDMI code over here
> but it doesn't seem to get ELD data for my setup.  Intel
> g45-id board with an Yamaha RX-v1800 receiver which is HDMI
> 1.3 capable.

Do you run the latest xorg intel driver?  Also dmesg should tell us
something if anything goes wrong with ELD retrieving/parsing.

> shane at chintoka:~$ cat /proc/asound/Intel/eld#3
> monitor name
> connection_type         HDMI
> eld_version             [0x0] reserved
> edid_version            [0x0] no CEA EDID Timing Extension
> block present
> manufacture_id          0x0
> product_id              0x0
> port_id                 0x0
> support_hdcp            0
> support_ai              0
> audio_sync_delay        0
> speakers                [0x0]
> sad_count               0
> 2ch audio is coming through just fine over HDMI though so
> the connection itself is there.

Yes. Obviously the ELD stuct has not been populated yet.


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