Takashi Iwai wrote:
> It's weird. Possibly a new chip revision that is slightly
> incompatible with the olders? Check /proc/asound/cards which revision
> it has.
>
>
1 [CMI8738MC6 ]: CMI8738-MC6 - C-Media PCI CMI8738-MC6
C-Media PCI CMI8738-MC6 (model 55) at 0xe800, irq 11
> Anyway, please show the current mixer state (/etc/asound.state, or a
> file generated via "alsactl -f somefile store"), and the register dump
> of /proc/asound/card0/cmipci.
>
>
State file included.
Register dump:
[root@chronos ~]# cat /proc/asound/card1/cmipci
C-Media PCI CMI8738-MC6 (model 55) at 0xe800, irq 11
00: 00 00 00 00
04: 10 fc 00 00
08: 0f 00 09 00
0c: 00 00 00 0b
10: c0 00 00 00
14: 00 00 00 00
18: 00 80 80 0c
1c: c8 fe fe ff
20: 10 40 f9 00
24: ef 3e ff 00
28: ff ff ff ff
2c: ff ff ff ff
30: 00 00 00 00
34: 00 00 00 00
38: 00 00 00 00
3c: 00 00 00 00
Are there any specs available on this chip or is it all reverse engineered?
Rgds
Pierre
state.CMI8738MC6 {
control.1 {
comment.access 'read write'
comment.type INTEGER
comment.count 2
comment.range '0 - 31'
iface MIXER
name 'Master Playback Volume'
value.0 20
value.1 20
}
control.2 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name '3D Control - Switch'
value true
}
control.3 {
comment.access 'read write'
comment.type INTEGER
comment.count 2
comment.range '0 - 31'
iface MIXER
name 'PCM Playback Volume'
value.0 31
value.1 31
}
control.4 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'PCM Playback Switch'
value false
}
control.5 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 2
iface MIXER
name 'PCM Capture Switch'
value.0 true
value.1 true
}
control.6 {
comment.access 'read write'
comment.type INTEGER
comment.count 2
comment.range '0 - 31'
iface MIXER
name 'Synth Playback Volume'
value.0 31
value.1 31
}
control.7 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'Synth Playback Switch'
value false
}
control.8 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 4
iface MIXER
name 'Synth Capture Route'
value.0 false
value.1 false
value.2 false
value.3 false
}
control.9 {
comment.access 'read write'
comment.type INTEGER
comment.count 2
comment.range '0 - 31'
iface MIXER
name 'CD Playback Volume'
value.0 31
value.1 31
}
control.10 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 2
iface MIXER
name 'CD Playback Switch'
value.0 false
value.1 false
}
control.11 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 4
iface MIXER
name 'CD Capture Route'
value.0 false
value.1 false
value.2 false
value.3 false
}
control.12 {
comment.access 'read write'
comment.type INTEGER
comment.count 2
comment.range '0 - 31'
iface MIXER
name 'Line Playback Volume'
value.0 31
value.1 31
}
control.13 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 2
iface MIXER
name 'Line Playback Switch'
value.0 false
value.1 false
}
control.14 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 4
iface MIXER
name 'Line Capture Route'
value.0 false
value.1 false
value.2 false
value.3 false
}
control.15 {
comment.access 'read write'
comment.type INTEGER
comment.count 1
comment.range '0 - 31'
iface MIXER
name 'Mic Playback Volume'
value 11
}
control.16 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'Mic Playback Switch'
value true
}
control.17 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'Mic Capture Switch'
value false
}
control.18 {
comment.access 'read write'
comment.type INTEGER
comment.count 1
comment.range '0 - 3'
iface MIXER
name 'PC Speaker Playback Volume'
value 3
}
control.19 {
comment.access 'read write'
comment.type INTEGER
comment.count 2
comment.range '0 - 15'
iface MIXER
name 'Aux Playback Volume'
value.0 15
value.1 15
}
control.20 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 2
iface MIXER
name 'Aux Playback Switch'
value.0 true
value.1 true
}
control.21 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 2
iface MIXER
name 'Aux Capture Switch'
value.0 false
value.1 false
}
control.22 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'Mic Boost Playback Switch'
value true
}
control.23 {
comment.access 'read write'
comment.type INTEGER
comment.count 1
comment.range '0 - 7'
iface MIXER
name 'Mic Capture Volume'
value 7
}
control.24 {
comment.access 'read write'
comment.type INTEGER
comment.count 1
comment.range '0 - 7'
iface MIXER
name 'Phone Playback Volume'
value 7
}
control.25 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'Phone Playback Switch'
value true
}
control.26 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'PC Speaker Playnack Switch'
value true
}
control.27 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'Mic Boost Capture Switch'
value true
}
control.28 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'Four Channel Mode'
value true
}
control.29 {
comment.access 'read write'
comment.type ENUMERATED
comment.count 1
comment.item.0 Line-In
comment.item.1 'Rear Output'
comment.item.2 'Bass Output'
iface MIXER
name 'Line-In Mode'
value 'Rear Output'
}
control.30 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'IEC958 Output Switch'
value false
}
control.31 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'IEC958 In Valid'
value false
}
control.32 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'IEC958 Copyright'
value false
}
control.33 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'IEC958 5V'
value true
}
control.34 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'IEC958 Loop'
value false
}
control.35 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'IEC958 In Monitor'
value true
}
control.36 {
comment.access 'read write'
comment.type IEC958
comment.count 1
iface PCM
device 2
name 'IEC958 Playback Default'
value '0082000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
}
control.37 {
comment.access read
comment.type IEC958
comment.count 1
iface PCM
device 2
name 'IEC958 Playback Con Mask'
value ffffffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
}
control.38 {
comment.access 'read write inactive'
comment.type IEC958
comment.count 1
iface PCM
device 2
name 'IEC958 Playback PCM Stream'
value '0082000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
}
control.39 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'IEC958 In Select'
value false
}
control.40 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface MIXER
name 'IEC958 In Phase Inverse'
value false
}
control.41 {
comment.access 'read write'
comment.type ENUMERATED
comment.count 1
comment.item.0 Mic-In
comment.item.1 'Center/LFE Output'
iface MIXER
name 'Mic-In Mode'
value Mic-In
}
control.42 {
comment.access 'read write'
comment.type BOOLEAN
comment.count 1
iface CARD
name Modem
value false
}
}
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