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[root@myhost ~]# lsmod | grep snd
snd_hda_codec_analog 60464 1
snd_seq_dummy 1119 0
snd_seq_oss 25328 0
snd_seq_midi_event 4600 1 snd_seq_oss
snd_seq 41976 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device 4409 3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss 34110 0
snd_mixer_oss 15430 1 snd_pcm_oss
snd_hda_intel 18988 2
snd_hda_codec 64828 2 snd_hda_codec_analog,snd_hda_intel
snd_hwdep 4804 1 snd_hda_codec
snd_pcm 59560 3 snd_pcm_oss,snd_hda_intel,snd_hda_codec
snd_timer 15815 2 snd_seq,snd_pcm
snd 43987 15 snd_hda_codec_analog,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer
soundcore 4961 1 snd
snd_page_alloc 6021 2 snd_hda_intel,snd_pcm
[root@myhost ~]# ls -l /dev/snd
total 0
drwxr-xr-x 2 root root 60 Feb 18 13:01 by-path
crw-rw----+ 1 root audio 116, 8 Feb 18 13:01 controlC0
crw-rw----+ 1 root audio 116, 7 Feb 18 13:01 hwC0D0
crw-rw----+ 1 root audio 116, 6 Feb 18 13:24 pcmC0D0c
crw-rw----+ 1 root audio 116, 5 Feb 18 13:25 pcmC0D0p
crw-rw----+ 1 root audio 116, 4 Feb 18 13:25 pcmC0D1p
crw-rw----+ 1 root audio 116, 3 Feb 18 13:01 seq
crw-rw----+ 1 root audio 116, 2 Feb 18 13:01 timer
[root@myhost ~]#
┌───────────────────────────── AlsaMixer v1.0.23 ──────────────────────────────┐
│ Card: HDA Intel F1: Help │
│ Chip: Analog Devices AD1986A F2: System information │
│ View: F3:[Playback] F4: Capture F5: All F6: Select sound card │
│ Item: Line [dB gain: -1.50, -1.50] Esc: Exit │
│ │
│ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ │
│ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ │ │ │ │ │
│ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ │ │ │ │ │
│ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ │ │ │ │ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ │▒▒│ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ │▒▒│ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │▒▒│ │▒▒│ │▒▒│ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │▒▒│ │▒▒│ │▒▒│ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │
│ ├──┤ ├──┤ ├──┤ ├──┤ ├──┤ ├──┤ ├──┤ ├──┤ │
│ │OO│ │OO│ │OO│ │MM│ │MM│ │MM│ │MM│ │MM│ │
│ └──┘ └──┘ └──┘ └──┘ └──┘ └──┘ └──┘ └──┘ │
│ 94 100<>100 94<>94 71<>71 35<>35 52 52 71<>71 │
│ Master Headphon PCM Front Surround Center LFE < Line > │
what could cause aplay to make no sound when the kernel modules for the sound card are loaded, and /dev/snd has hwC0D0 pcmC0D0c pcmC0D0p seq timer?
Last edited by starmoon (2011-02-18 06:07:47)
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Hi
Select Front in alsamixer and unmute it by pressing "m"
edit:
I use 2channel output over pulseaudio on a 5.1 card and have to unmute Surround too.
Last edited by wudu (2011-02-18 21:57:20)
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