I have a ACER Aspire REVO with NVIDIA ION, running Ubuntu Karmic Kaola, with pulseaudio installed.
It is connected to a Denon AV Receiver via HDMI. My problem is that i have only stereo sound output over HDMI.
It is possible to get surround working over HDMI ? Do I have to look into alsa to get this working or is this a pulseaudio issue ?
thanks in advance for you insights !
koen@revo:~$ aplay -L
front:CARD=NVidia,DEV=0
HDA NVidia, ALC662 rev1 Analog
Front speakers
surround40:CARD=NVidia,DEV=0
HDA NVidia, ALC662 rev1 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=NVidia,DEV=0
HDA NVidia, ALC662 rev1 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=NVidia,DEV=0
HDA NVidia, ALC662 rev1 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=NVidia,DEV=0
HDA NVidia, ALC662 rev1 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=NVidia,DEV=0
HDA NVidia, ALC662 rev1 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
hdmi:CARD=NVidia,DEV=0
HDA NVidia, NVIDIA HDMI
HDMI Audio Output
null
Discard all samples (playback) or generate zero samples (capture)
pulse
Playback/recording through the PulseAudio sound server
ALSA Audio Debug v0.1.0 - Fri Feb 26 12:13:30 CET 2010
Kernel ----------------------------------------------------
Linux revo 2.6.31-19-generic #56-Ubuntu SMP Thu Jan 28 01:26:53 UTC 2010 i686 GNU/Linux
Loaded Modules --------------------------------------------
snd_hda_codec_nvhdmi 4828 1
snd_hda_codec_realtek 203328 1
snd_hda_intel 26920 1
snd_hda_codec 75708 3 snd_hda_codec_nvhdmi,snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 7200 1 snd_hda_codec
snd_pcm_oss 37920 0
snd_mixer_oss 16028 1 snd_pcm_oss
snd_pcm 75296 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_seq_dummy 2656 0
snd_seq_oss 28576 0
snd_seq_midi 6432 0
snd_rawmidi 22208 1 snd_seq_midi
snd_seq_midi_event 6940 2 snd_seq_oss,snd_seq_midi
snd_seq 50224 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer 22276 2 snd_pcm,snd_seq
snd_seq_device 6920 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd 59204 14 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
snd_page_alloc 9156 2 snd_hda_intel,snd_pcm
Modprobe Conf ---------------------------------------------
Warning: module config file does not exist
This means any kernel modules will not be auto loaded
See your linux distro docs on how to create this file
Proc Asound -----------------------------------------------
Advanced Linux Sound Architecture Driver Version 1.0.20.
0 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xfae78000 irq 21
2: : timer
3: : sequencer
4: [ 0- 3]: digital audio playback
5: [ 0- 0]: digital audio playback
6: [ 0- 0]: digital audio capture
7: [ 0- 3]: hardware dependent
8: [ 0- 0]: hardware dependent
9: [ 0] : control
00-03: HDA Codec 3
00-00: HDA Codec 0
00-00: ALC662 rev1 Analog : ALC662 rev1 Analog : playback 1 : capture 1
00-03: NVIDIA HDMI : NVIDIA HDMI : playback 1
Client info
cur clients : 3
peak clients : 3
max clients : 192
Client 0 : "System" [Kernel]
Port 0 : "Timer" (Rwe-)
Port 1 : "Announce" (R-e-)
Connecting To: 15:0
Client 14 : "Midi Through" [Kernel]
Port 0 : "Midi Through Port-0" (RWe-)
Client 15 : "OSS sequencer" [Kernel]
Port 0 : "Receiver" (-we-)
Connected From: 0:1
Dev Snd ---------------------------------------------------
by-path controlC0 hwC0D0 hwC0D3 pcmC0D0c pcmC0D0p pcmC0D3p seq timer
CPU -------------------------------------------------------
model name : Intel(R) Atom(TM) CPU 230 @ 1.60GHz
cpu MHz : 1599.929
model name : Intel(R) Atom(TM) CPU 230 @ 1.60GHz
cpu MHz : 1599.929
RAM -------------------------------------------------------
MemTotal: 1802424 kB
SwapTotal: 5277312 kB
Hardware --------------------------------------------------
00:00.0 Host bridge: nVidia Corporation MCP79 Host Bridge (rev b1)
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