Many thanks,
it is the Capture control. Investigating what wrong with it.
[root@test ~]# amixer cget numid=3
numid=3,iface=MIXER,name='ALC Capture Max Volume'
; type=INTEGER,access=rw---R--,values=1,min=0,max=7,step=0
: values=7
| dBscale-min=-6.75dB,step=6.00dB,mute=0
[root@barix ~]# amixer cget numid=4
numid=4,iface=MIXER,name='ALC Capture Min Volume'
; type=INTEGER,access=rw---R--,values=1,min=0,max=7,step=0
: values=0
| dBscale-min=-12.00dB,step=6.00dB,mute=0
[root@barix ~]# amixer cget numid=5
numid=5,iface=MIXER,name='ALC Capture Target Volume'
; type=INTEGER,access=rw---R--,values=1,min=0,max=15,step=0
: values=11
| dBscale-min=-22.50dB,step=1.50dB,mute=0
[root@barix ~]# amixer cget numid=6
numid=6,iface=MIXER,name='ALC Capture Attack'
; type=INTEGER,access=rw------,values=1,min=0,max=10,step=0
: values=2
[root@barix ~]# amixer cget numid=7
numid=7,iface=MIXER,name='ALC Capture Hold'
; type=INTEGER,access=rw------,values=1,min=0,max=10,step=0
: values=0
[root@barix ~]# amixer cget numid=8
numid=8,iface=MIXER,name='ALC Capture Decay'
; type=INTEGER,access=rw------,values=1,min=0,max=10,step=0
: values=3
[root@barix ~]# amixer cget numid=9
numid=9,iface=MIXER,name='ALC Mode'
; type=ENUMERATED,access=rw------,values=1,items=2
; Item #0 'ALC'
; Item #1 'Limiter'
: values=0
[root@barix ~]# amixer cget numid=10
numid=10,iface=MIXER,name='ALC Capture NG Switch'
; type=BOOLEAN,access=rw------,values=1
: values=off
[root@barix ~]# amixer cget numid=11
numid=11,iface=MIXER,name='ALC Capture NG Threshold'
; type=INTEGER,access=rw------,values=1,min=0,max=7,step=0
: values=7
[root@barix ~]# amixer cget numid=12
numid=12,iface=MIXER,name='Capture Volume'
; type=INTEGER,access=rw---R--,values=2,min=0,max=255,step=0
amixer: Control default element read error: Input/output error
angelo
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