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#1 2016-11-12 15:06:31

LastAvengers
其实不是会员
所在地: Royal Blue Shit Univeristy
注册时间: 2015-05-01
帖子: 92
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【已解决】笔记本内置音响没有声音

用的是 pulseaudio + alsa, 一直工作良好,貌似这两个包最近也没有更新,然而今天一开电脑就发现没声音了。

声卡:

\ $ cat /proc/asound/cards 
 0 [HDMI           ]: HDA-Intel - HDA Intel HDMI
                      HDA Intel HDMI at 0xe0630000 irq 50
 1 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xe0634000 irq 46
\ $ ls -l /dev/snd
总用量 0
drwxr-xr-x  2 root root       80 11月 12 14:03 by-path
crw-rw----+ 1 root audio 116,  6 11月 12 14:03 controlC0
crw-rw----+ 1 root audio 116,  2 11月 12 14:03 controlC1
crw-rw----+ 1 root audio 116,  9 11月 12 14:03 hwC0D0
crw-rw----+ 1 root audio 116,  5 11月 12 14:03 hwC1D0
crw-rw----+ 1 root audio 116,  7 11月 12 14:04 pcmC0D3p
crw-rw----+ 1 root audio 116,  8 11月 12 14:04 pcmC0D7p
crw-rw----+ 1 root audio 116,  4 11月 12 14:05 pcmC1D0c
crw-rw----+ 1 root audio 116,  3 11月 12 15:17 pcmC1D0p
crw-rw----+ 1 root audio 116,  1 11月 12 14:03 seq
crw-rw----+ 1 root audio 116, 33 11月 12 14:03 timer

驱动

\ $ lsmod | grep snd
snd_hda_codec_hdmi     45056  1
snd_hda_codec_realtek    69632  1
snd_hda_codec_generic    69632  1 snd_hda_codec_realtek
snd_hda_intel          32768  6
snd_hda_codec         106496  4 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
snd_hda_core           65536  5 snd_hda_intel,snd_hda_codec,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
snd_hwdep              16384  1 snd_hda_codec
snd_pcm                90112  4 snd_hda_intel,snd_hda_codec,snd_hda_core,snd_hda_codec_hdmi
snd_timer              28672  1 snd_pcm
snd                    69632  21 snd_hda_intel,snd_hwdep,snd_hda_codec,snd_timer,thinkpad_acpi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek,snd_pcm

amixer 输出

\ $ amixer 
Simple mixer control 'Master',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 87
  Mono: Playback 71 [82%] [-12.00dB] [on]
Simple mixer control 'Headphone',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 87
  Mono:
  Front Left: Playback 0 [0%] [-65.25dB] [off]
  Front Right: Playback 0 [0%] [-65.25dB] [off]
Simple mixer control 'Headphone',1
  Capabilities: pswitch
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [on]
  Front Right: Playback [on]
Simple mixer control 'Speaker',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 87
  Mono:
  Front Left: Playback 87 [100%] [0.00dB] [on]
  Front Right: Playback 87 [100%] [0.00dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 253 [99%] [-0.40dB]
  Front Right: Playback 253 [99%] [-0.40dB]
Simple mixer control 'Mic',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 0 [0%] [-34.50dB] [off]
  Front Right: Playback 0 [0%] [-34.50dB] [off]
Simple mixer control 'Mic Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 0 [0%] [0.00dB]
  Front Right: 0 [0%] [0.00dB]
Simple mixer control 'Beep',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 0 [0%] [-34.50dB] [off]
  Front Right: Playback 0 [0%] [-34.50dB] [off]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 63
  Front Left: Capture 52 [83%] [21.75dB] [on]
  Front Right: Capture 52 [83%] [21.75dB] [on]
Simple mixer control 'Auto-Mute Mode',0
  Capabilities: enum
  Items: 'Disabled' 'Enabled'
  Item0: 'Disabled'
Simple mixer control 'Dock Mic',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [12.00dB] [on]
  Front Right: Playback 31 [100%] [12.00dB] [on]
Simple mixer control 'Dock Mic Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 0 [0%] [0.00dB]
  Front Right: 0 [0%] [0.00dB]
Simple mixer control 'Internal Mic Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 1
  Front Left: 0 [0%] [0.00dB]
  Front Right: 0 [0%] [0.00dB]
Simple mixer control 'Loopback Mixing',0
  Capabilities: enum
  Items: 'Disabled' 'Enabled'
  Item0: 'Enabled'

speark-test -c2 无报错,但是没有声音,插上耳机就有声音。

据说有用的调试信息: http://www.alsa-project.org/db/?f=9366f … b068bffce3

最近编辑记录 LastAvengers (2016-11-12 18:13:16)

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#2 2016-11-12 18:13:44

LastAvengers
其实不是会员
所在地: Royal Blue Shit Univeristy
注册时间: 2015-05-01
帖子: 92
个人网站

Re: 【已解决】笔记本内置音响没有声音

:-( 我能说不知道为啥它自己好起来了么。

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