laptop: fuz 555
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dist: Arch Linux 0.8 (Voodoo)
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opsys: Linux pc 2.6.20-ARCH #1 SMP PREEMPT Sat Mar 24 10:51:35 CET 2007 i686 Intel(R) Celeron(R) CPU 2.26GHz GenuineIntel GNU/Linux
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vendor/dev id: 1106 3059
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lspci info: 00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 60)
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alsa driver: 1.0.14rc1
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alsa lib: 1.0.13
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alsa utils: 1.0.13
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alsa modules: snd_via82xx
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alsa cards:  0 [V8237          ]: VIA8237 - VIA 8237
                      VIA 8237 with ALC655 at 0xe400, irq 22
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amixer summary: 
amixer set 'Master',0 87%,87% on
amixer set 'Master Mono',0 0% off
amixer set 'PCM',0 90%,90% on
amixer set 'Surround',0 94%,94% on
amixer set 'Surround Jack Mode',0 Items: 'Shared' 'Independent' Item0: 'Shared'
amixer set 'Center',0 100% on
amixer set 'LFE',0 100% on
amixer set 'Line',0 100%,100% on Capture off
amixer set 'CD',0 100%,100% on Capture off
amixer set 'Mic',0 0% off Capture on
amixer set 'Mic Boost ( 20dB)',0 off
amixer set 'Mic Select',0 Items: 'Mic1' 'Mic2' Item0: 'Mic1'
amixer set 'Video',0 Capture off
amixer set 'Phone',0 0% off Capture off
amixer set 'IEC958',0 off Capture off
amixer set 'IEC958 Output',0 off
amixer set 'IEC958 Playback AC97-SPSA',0 Mono: 3 100%
amixer set 'IEC958 Playback Source',0 Items: 'PCM' 'Analog In' 'IEC958 In' Item0: 'PCM'
amixer set 'PC Speaker',0 100% on
amixer set 'Aux',0 0% off 0% off Capture off
amixer set 'Mono Output Select',0 Items: 'Mix' 'Mic' Item0: 'Mix'
amixer set 'Capture',0 Capture 0 0%,Capture 0 0% on
amixer set 'Mix',0 Capture off
amixer set 'Mix Mono',0 Capture off
amixer set 'Channel Mode',0 Items: '2ch' '4ch' '6ch' Item0: '6ch'
amixer set 'Duplicate Front',0 off
amixer set 'External Amplifier',0 off
amixer set 'Input Source Select',0 Items: 'Input1' 'Input2' Item0: 'Input1'
amixer set 'Input Source Select',1 Items: 'Input1' 'Input2' Item0: 'Input1'
amixer set 'VIA DXS',0 100% 100%
amixer set 'VIA DXS',1 100% 100%
amixer set 'VIA DXS',2 100% 100%
amixer set 'VIA DXS',3 100% 100%
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amixer: 
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Simple mixer control 'Master',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 27 [87%] [-6.00dB] [on]
  Front Right: Playback 27 [87%] [-6.00dB] [on]
Simple mixer control 'Master Mono',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 0 [0%] [-46.50dB] [off]
Simple mixer control 'PCM',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 28 [90%] [7.50dB] [on]
  Front Right: Playback 28 [90%] [7.50dB] [on]
Simple mixer control 'Surround',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 29 [94%] [-3.00dB] [on]
  Front Right: Playback 29 [94%] [-3.00dB] [on]
Simple mixer control 'Surround Jack Mode',0
  Capabilities: enum
  Items: 'Shared' 'Independent'
  Item0: 'Shared'
Simple mixer control 'Center',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 31 [100%] [0.00dB] [on]
Simple mixer control 'LFE',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 31 [100%] [0.00dB] [on]
Simple mixer control 'Line',0
  Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 31 [100%] [12.00dB] [on] Capture [off]
  Front Right: Playback 31 [100%] [12.00dB] [on] Capture [off]
Simple mixer control 'CD',0
  Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 31 [100%] [12.00dB] [on] Capture [off]
  Front Right: Playback 31 [100%] [12.00dB] [on] Capture [off]
Simple mixer control 'Mic',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Mono
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono: Playback 0 [0%] [-34.50dB] [off]
  Front Left: Capture [on]
  Front Right: Capture [on]
Simple mixer control 'Mic Boost ( 20dB)',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Mic Select',0
  Capabilities: enum
  Items: 'Mic1' 'Mic2'
  Item0: 'Mic1'
Simple mixer control 'Video',0
  Capabilities: cswitch cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'Phone',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Mono
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono: Playback 0 [0%] [-34.50dB] [off]
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined cswitch cswitch-joined
  Playback channels: Mono
  Capture channels: Mono
  Mono: Playback [off] Capture [off]
Simple mixer control 'IEC958 Output',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'IEC958 Playback AC97-SPSA',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 3
  Mono: 3 [100%]
Simple mixer control 'IEC958 Playback Source',0
  Capabilities: enum
  Items: 'PCM' 'Analog In' 'IEC958 In'
  Item0: 'PCM'
Simple mixer control 'PC Speaker',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 15
  Mono: Playback 15 [100%] [0.00dB] [on]
Simple mixer control 'Aux',0
  Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 0 [0%] [-34.50dB] [off] Capture [off]
  Front Right: Playback 0 [0%] [-34.50dB] [off] Capture [off]
Simple mixer control 'Mono Output Select',0
  Capabilities: enum
  Items: 'Mix' 'Mic'
  Item0: 'Mix'
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch cswitch-joined
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 15
  Front Left: Capture 0 [0%] [0.00dB] [on]
  Front Right: Capture 0 [0%] [0.00dB] [on]
Simple mixer control 'Mix',0
  Capabilities: cswitch cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'Mix Mono',0
  Capabilities: cswitch cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'Channel Mode',0
  Capabilities: enum
  Items: '2ch' '4ch' '6ch'
  Item0: '6ch'
Simple mixer control 'Duplicate Front',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'External Amplifier',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Input Source Select',0
  Capabilities: enum
  Items: 'Input1' 'Input2'
  Item0: 'Input1'
Simple mixer control 'Input Source Select',1
  Capabilities: enum
  Items: 'Input1' 'Input2'
  Item0: 'Input1'
Simple mixer control 'VIA DXS',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [-48.00dB]
  Front Right: Playback 31 [100%] [-48.00dB]
Simple mixer control 'VIA DXS',1
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [-48.00dB]
  Front Right: Playback 31 [100%] [-48.00dB]
Simple mixer control 'VIA DXS',2
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [-48.00dB]
  Front Right: Playback 31 [100%] [-48.00dB]
Simple mixer control 'VIA DXS',3
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [-48.00dB]
  Front Right: Playback 31 [100%] [-48.00dB]
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alsa option files:
/etc/modprobe.conf:2