是笔记本电脑吗,若是,可以说很多fedora版本都会出现这个问题。我解决声音问题的方法是重装同alsa相关的驱动
在 2011年11月21日 下午10:34,Yu Chen <jcomee(a)gmail.xn--com>:-0s6m5392c
耳机,扬声器切换不是通过物理开关的吗?
Yu
在 2011年11月21日 下午10:24,liaoyifei <lyfbuaa(a)163.xn--com>:-0s6m5392c
>
> 插上耳机还是内置扬声器发声
>
> alsamixer 里MM也都取消试过,
>
> processor : 0
> vendor_id : GenuineIntel
> cpu family : 6
> model : 42
> model name : Intel(R) Core(TM) i5-2415M CPU @ 2.30GHz
> stepping : 7
> cpu MHz : 800.000
> cache size : 3072 KB
> physical id : 0
> siblings : 4
> core id : 0
> cpu cores : 2
> apicid : 0
> initial apicid : 0
> fpu : yes
> fpu_exception : yes
> cpuid level : 13
> wp : yes
>
>
> [@mylinux ~]$ head -1 /proc/asound/card0/codec#*
> ==> /proc/asound/card0/codec#0 <==
> Codec: Cirrus Logic CS4206
>
> ==> /proc/asound/card0/codec#3 <==
> Codec: Intel CougarPoint HDMI
>
>
>
> [@mylinux ~]$ tail -100 /proc/asound/oss/sndstat
> Sound Driver:3.8.1a-980706 (ALSA v1.0.24 emulation code)
> Kernel: Linux mylinux 3.1.1-2.fc16.x86_64 #1 SMP Mon Nov 14 15:46:10 UTC
> 2011 x86_64
> Config options: 0
>
> Installed drivers:
> Type 10: ALSA emulation
>
> Card config:
> HDA Intel PCH at 0x90900000 irq 46
>
> Audio devices: NOT ENABLED IN CONFIG
>
> Synth devices: NOT ENABLED IN CONFIG
>
> Midi devices: NOT ENABLED IN CONFIG
>
> Timers:
> 31: system timer
>
> Mixers: NOT ENABLED IN CONFIG
>
>
> 如果执行:modprobe snd_pcm_oss
>
> 上面的Audio devices Mixers 会enable 但是问题依旧
>
>
>
> [@mylinux ~]$ cat /proc/asound/modules
> 0 snd_hda_intel
>
>
> [@mylinux ~]$ lspci |grep Audio
> 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset
> Family High Definition Audio Controller (rev 05)
>
> [@mylinux ~]$ lsmod |grep snd
> snd_hda_codec_hdmi 23548 1
> snd_hda_codec_cirrus 15200 1
> snd_hda_intel 24072 4
> snd_hda_codec 85181 3
> snd_hda_codec_hdmi,snd_hda_codec_cirrus,snd_hda_intel
> snd_hwdep 6264 1 snd_hda_codec
> snd_seq 52186 0
> snd_seq_device 5941 1 snd_seq
> snd_pcm 78498 4
> snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
> snd_timer 19372 2 snd_seq,snd_pcm
> snd 63124 16
>
snd_hda_codec_hdmi,snd_hda_codec_cirrus,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_timer
> soundcore 6267 1 snd
> snd_page_alloc 7311 2 snd_hda_intel,snd_pcm
>
>
> 加了下面配置(#号都轮流打开试过)问题依旧:
> /etc/modprobe.d/alsa-base.conf
>
> #alias snd-card-0 snd-hda-intel
> #alias sound-slot-0 snd-hda-intel
> #enable_msi=1 position_fix=1
> #options snd-hda-intel model=imac27
> #options snd-hda-intel model=auto
> #options snd-hda-intel enable_msi=1
> #options snd-hda-intel enable=yes
>
>
>
>
> --
>
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>
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