2014/1/20 Clemens Ladisch clemens@ladisch.de
Ionica Bizau wrote:
I have just bought an external sound card: Asus Xonar U7
cannot load mixer controls: Broken pipeThis looks like a bug in the device's firmware.
Can you at least read the list of controls ("amixer -c1 controls")? Are there some controls that you are able to access (try "amixer -c1 cget name='xxx'" for each one)?
alsactl store -f abc.txt alsactl: get_control:256: Cannot read control '2,0,0,PCM Capture Source,0': Broken
[ 398.119996] cannot get ctl value: req = 0x81, wValue = 0x0, wIndex = 0x1400, type = 3
seem fail to read the capture source control
state.Device { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM device 1 name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'PCM Playback Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.5 { iface MIXER name 'PCM Playback Volume' value.0 107 value.1 107 value.2 107 value.3 107 value.4 107 value.5 107 value.6 107 value.7 107 comment { access 'read write' type INTEGER count 8 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 -2000 dbvalue.1 -2000 dbvalue.2 -2000 dbvalue.3 -2000 dbvalue.4 -2000 dbvalue.5 -2000 dbvalue.6 -2000 dbvalue.7 -2000 } } control.6 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.7 { iface MIXER name 'Line Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'PCM Capture Source' value Mic comment { access 'read write' type ENUMERATED count 1 item.0 Mic item.1 Line } } }