# Raymond (superquad-vortex2) wrote on 2013-09-24
> ftp://download.nvidia.com/XFree86/gpu-hdmi-audio-document/gpu-hdmi-audio.html#_verify_your_eld_is_valid
> do you have valid ELD ?
With a nod to the immortal ABBA: I do, I do; oh well - only 2: ;-)
$ cat /proc/asound/card1/eld#0.0
monitor_present 0
eld_valid 0
$ cat /proc/asound/card1/eld#0.1
monitor_present 1
eld_valid 1
monitor_name SANYO Z4000
connection_type HDMI
eld_version [0x2] CEA-861D or below
edid_version [0x3] CEA-861-B, C or D
manufacture_id 0x2e4c
product_id 0xba0c
port_id 0x20000
support_hdcp 0
support_ai 0
audio_sync_delay 0
speakers [0xf] FL/FR LFE FC RL/RR
sad_count 4
sad0_coding_type [0x1] LPCM
sad0_channels 2
sad0_rates [0x6e0] 32000 44100 48000 88200 96000
sad0_bits [0xe0000] 16 20 24
sad1_coding_type [0x1] LPCM
sad1_channels 6
sad1_rates [0x6e0] 32000 44100 48000 88200 96000
sad1_bits [0xe0000] 16 20 24
sad2_coding_type [0x2] AC-3
sad2_channels 6
sad2_rates [0xe0] 32000 44100 48000
sad2_max_bitrate 640000
sad3_coding_type [0x7] DTS
sad3_channels 6
sad3_rates [0xe0] 32000 44100 48000
sad3_max_bitrate 1536000
For the record, this results from the combined EDID (as attached, per
/etc/X11/xorg.conf) of projector and 5.1 audio system through which the
HDMI to display is routed (i.e. the audio sink, forced permanently
detectable lest it crashes the machine in the middle of anything
important due to the snd_hda_codec_hdmi bug when turned on later while
that module is loaded):
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce GT 520"
Option "ConnectedMonitor" "DFP-1"
Option "CustomEDID"
"DFP-1:/etc/X11/SANYO_Z4000_thru_Samsung_HT-C5500.edid.bin"
EndSection
The other port is DVI.
** Attachment added: "/etc/X11/SANYO_Z4000_thru_Samsung_HT-C5500.edid.bin"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1203520/+attachment/3848633/+files/SANYO_Z4000_thru_Samsung_HT-C5500.edid.bin
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https://bugs.launchpad.net/bugs/1203520
Title:
10de:1040 snd_hda_codec_hdmi (via pavucontrol or applications playing
sound) freezes Ubuntu 12.04 LTS
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