cat /proc/asound/devices
2: : timer
3: : sequencer
4: [ 0- 0]: digital audio playback
5: [ 0- 0]: digital audio capture
6: [ 0- 3]: digital audio playback
7: [ 0] : control
---------------------------------
aplay -L
front:CARD=Intel,DEV=0
HDA Intel, STAC92xx Analog
Front speakers
surround40:CARD=Intel,DEV=0
HDA Intel, STAC92xx Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=Intel,DEV=0
HDA Intel, STAC92xx Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Intel,DEV=0
HDA Intel, STAC92xx Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Intel,DEV=0
HDA Intel, STAC92xx Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Intel,DEV=0
HDA Intel, STAC92xx Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
hdmi:CARD=Intel,DEV=0
HDA Intel, INTEL HDMI
HDMI Audio Output
null
Discard all samples (playback) or generate zero samples (capture)
after an upgrade i have sound only in the login session but no sound when start. no sound in control panel, rhythmbox, pidgin, etc
some information:
kernel 2.6.28-11-generic
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
Subsystem: Dell Device 022f
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 21
Region 0: Memory at fe9fc000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
------- ------- ------- ------- -----
cat /proc/asound/ devices
2: : timer
3: : sequencer
4: [ 0- 0]: digital audio playback
5: [ 0- 0]: digital audio capture
6: [ 0- 3]: digital audio playback
7: [ 0] : control
------- ------- ------- ------- -----
aplay -L Intel,DEV= 0 CARD=Intel, DEV=0 CARD=Intel, DEV=0 CARD=Intel, DEV=0 CARD=Intel, DEV=0 CARD=Intel, DEV=0 Intel,DEV= 0
front:CARD=
HDA Intel, STAC92xx Analog
Front speakers
surround40:
HDA Intel, STAC92xx Analog
4.0 Surround output to Front and Rear speakers
surround41:
HDA Intel, STAC92xx Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:
HDA Intel, STAC92xx Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:
HDA Intel, STAC92xx Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:
HDA Intel, STAC92xx Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
hdmi:CARD=
HDA Intel, INTEL HDMI
HDMI Audio Output
null
Discard all samples (playback) or generate zero samples (capture)
------- ------- ------- ------- -----
cat /dev/sndstat 3.8.1a- 980706 (ALSA v1.0.18rc3 emulation code)
Sound Driver:
Kernel: Linux nostromo 2.6.28-11-generic #41-Ubuntu SMP Wed Apr 8 04:38:53 UTC 2009 i686
Config options: 0
Installed drivers:
Type 10: ALSA emulation
Card config:
HDA Intel at 0xfe9fc000 irq 21
Audio devices:
0: STAC92xx Analog (DUPLEX)
Synth devices: NOT ENABLED IN CONFIG
Midi devices: NOT ENABLED IN CONFIG
Timers:
31: system timer
Mixers:
0: SigmaTel STAC9228