You'll need more ALSA modules loaded. On my system, I have, alongside my
snd-intel8x0 driver:
snd_pcm_oss
snd_mixer_oss
snd_seq_oss
snd_seq_midi_event
snd_seq
snd_seq_device
snd_ac97_codec
snd_pcm
snd_timer
snd
snd_page_alloc
The OSS ones are optional.
dmesg | tail
tux@slitaz:~$ amixer contents
numid=5,iface=MIXER,name='Master Mono Playback Switch'
; type=BOOLEAN,access=rw------,values=1
: values=off
numid=6,iface=MIXER,name='Master Mono Playback Volume'
; type=INTEGER,access=rw---R--,values=1,min=0,max=31,step=0
: values=0
| dBscale-min=-46.50dB,step=1.50dB,mute=0
numid=1,iface=MIXER,name='Master Playback Switch'
; type=BOOLEAN,access=rw------,values=2
: values=on,on
numid=2,iface=MIXER,name='Master Playback Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
: values=24,24
| dBscale-min=-46.50dB,step=1.50dB,mute=0
numid=3,iface=MIXER,name='Headphone Playback Switch'
; type=BOOLEAN,access=rw------,values=2
: values=off,off
numid=4,iface=MIXER,name='Headphone Playback Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
: values=0,0
| dBscale-min=-46.50dB,step=1.50dB,mute=0
numid=18,iface=MIXER,name='PCM Playback Switch'
; type=BOOLEAN,access=rw------,values=2
: values=on,on
numid=19,iface=MIXER,name='PCM Playback Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
: values=24,24
| dBscale-min=-34.50dB,step=1.50dB,mute=0
numid=12,iface=MIXER,name='Line Playback Switch'
; type=BOOLEAN,access=rw------,values=2
: values=off,off
numid=13,iface=MIXER,name='Line Playback Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
: values=0,0
| dBscale-min=-34.50dB,step=1.50dB,mute=0
numid=14,iface=MIXER,name='CD Playback Switch'
; type=BOOLEAN,access=rw------,values=2
: values=off,off
numid=15,iface=MIXER,name='CD Playback Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
: values=0,0
| dBscale-min=-34.50dB,step=1.50dB,mute=0
numid=11,iface=MIXER,name='Mic Boost (+20dB)'
; type=BOOLEAN,access=rw------,values=1
: values=off
numid=24,iface=MIXER,name='Mic Select'
; type=ENUMERATED,access=rw------,values=1,items=2
; Item #0 'Mic1'
; Item #1 'Mic2'
: values=0
numid=9,iface=MIXER,name='Mic Playback Switch'
; type=BOOLEAN,access=rw------,values=1
: values=off
numid=10,iface=MIXER,name='Mic Playback Volume'
; type=INTEGER,access=rw---R--,values=1,min=0,max=31,step=0
: values=0
| dBscale-min=-34.50dB,step=1.50dB,mute=0
numid=7,iface=MIXER,name='Phone Playback Switch'
; type=BOOLEAN,access=rw------,values=1
: values=off
numid=8,iface=MIXER,name='Phone Playback Volume'
; type=INTEGER,access=rw---R--,values=1,min=0,max=31,step=0
: values=0
| dBscale-min=-34.50dB,step=1.50dB,mute=0
numid=16,iface=MIXER,name='Aux Playback Switch'
; type=BOOLEAN,access=rw------,values=2
: values=off,off
numid=17,iface=MIXER,name='Aux Playback Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
: values=0,0
| dBscale-min=-34.50dB,step=1.50dB,mute=0
numid=23,iface=MIXER,name='Mono Output Select'
; type=ENUMERATED,access=rw------,values=1,items=2
; Item #0 'Mix'
; Item #1 'Mic'
: values=0
numid=20,iface=MIXER,name='Capture Source'
; type=ENUMERATED,access=rw------,values=2,items=8
; Item #0 'Mic'
; Item #1 'CD'
; Item #2 'Video'
; Item #3 'Aux'
; Item #4 'Line'
; Item #5 'Mix'
; Item #6 'Mix Mono'
; Item #7 'Phone'
: values=0,0
numid=21,iface=MIXER,name='Capture Switch'
; type=BOOLEAN,access=rw------,values=2
: values=on,on
numid=22,iface=MIXER,name='Capture Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=15,step=0
: values=0,0
| dBscale-min=0.00dB,step=1.50dB,mute=0
numid=26,iface=MIXER,name='External Amplifier'
; type=BOOLEAN,access=rw------,values=1
: values=on
numid=25,iface=MIXER,name='Stereo Mic'
; type=BOOLEAN,access=rw------,values=1
: values=off
amixer cset numid=12 on
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