Public bug reported:
HDMI audio does work on trusty kernel 3.13, but does not on the lts-
utopic 3.16 kernel. Which (probably) means HDMI audio does not work on
other nvidia cards, and also on 14.10 utopic. I can playback sound in
MythTV frontend using 'ALSA:dmix:CARD=NVidia,DEV=7', but using the same
with speaker-test gives:
$ speaker-test -D dmix:CARD=NVidia,DEV=7
speaker-test 1.0.27.2
Playback device is dmix:CARD=NVidia,DEV=7
Stream parameters are 48000Hz, S16_LE, 1 channels
Using 16 octaves of pink noise
Sample format not available for playback: Ongeldig argument
Setting of hwparams failed: Ongeldig argument
$ lspci -vvv | grep -i nvidia | tail -n3
02:00.0 VGA compatible controller: NVIDIA Corporation GT216 [GeForce GT 220]
(rev a2) (prog-if 00 [VGA controller])
Kernel driver in use: nvidia
02:00.1 Audio device: NVIDIA Corporation GT216 HDMI Audio Controller (rev a1)
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.2 LTS
Release: 14.04
Codename: trusty
$ aplay -l
**** Lijst van PLAYBACK hardware-apparaten ****
kaart 1: NVidia [HDA NVidia], apparaat 3: HDMI 0 [HDMI 0]
Sub-apparaten: 1/1
Sub-apparaat #0: subdevice #0
kaart 1: NVidia [HDA NVidia], apparaat 7: HDMI 0 [HDMI 0]
Sub-apparaten: 1/1
Sub-apparaat #0: subdevice #0
kaart 1: NVidia [HDA NVidia], apparaat 8: HDMI 0 [HDMI 0]
Sub-apparaten: 1/1
Sub-apparaat #0: subdevice #0
kaart 1: NVidia [HDA NVidia], apparaat 9: HDMI 0 [HDMI 0]
Sub-apparaten: 1/1
Sub-apparaat #0: subdevice #0
** Affects: linux-lts-utopic (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1430177
Title:
HDMI audio does not work on GeForce GT 220 with lts-utopic kernel
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