Arch Linux

towonzhou

Member

Registered: 2013-10-30

Posts: 1

only left-side sound, need help

hi all
   I only get the left channel. Running "speakertest -c 2" confirms that: only fuzz on the left.
1. /etc/asound.conf
```
# Use PulseAudio by default
pcm.!default {
  type pulse
  fallback "sysdefault"
  hint {
    show on
    description "Default ALSA Output (currently PulseAudio Sound Server)"
  }
}

ctl.!default {
  type pulse
  fallback "sysdefault"
}

# vim:set ft=alsaconf:
```
2. This card
```
~  aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: 92HD91BXX Analog [92HD91BXX Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
```
3. Drivers
```
~  lsmod | grep snd
snd_hda_codec_hdmi     29765  1
snd_hda_codec_idt      37912  1
snd_hda_intel          35309  4
snd_hda_codec         147474  3 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel
snd_hwdep               6332  1 snd_hda_codec
snd_pcm                77765  4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
snd_page_alloc          7234  2 snd_pcm,snd_hda_intel
snd_timer              18718  1 snd_pcm
snd                    58950  14 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_idt,snd_pcm,snd_hda_codec,snd_hda_intel
soundcore               5418  1 snd
```
4. devices
```
~  ls -l /dev/snd
总用量 0
drwxr-xr-x  2 root root       60 10月 30 11:17 by-path
crw-rw----+ 1 root audio 116,  7 10月 30 11:17 controlC0
crw-rw----+ 1 root audio 116,  6 10月 30 11:17 hwC0D0
crw-rw----+ 1 root audio 116,  5 10月 30 11:17 hwC0D3
crw-rw----+ 1 root audio 116,  4 10月 30 11:18 pcmC0D0c
crw-rw----+ 1 root audio 116,  3 10月 30 11:36 pcmC0D0p
crw-rw----+ 1 root audio 116,  2 10月 30 11:17 pcmC0D3p
crw-rw----  1 root audio 116,  1 10月 30 11:17 seq
crw-rw----+ 1 root audio 116, 33 10月 30 11:17 timer
```
please give me the help.
Thanks!
towonzhou