noblesavage114 wrote:
> aplay: set_params:1297: Unable to install hw params:
> cannot load mixer controls: Protocol error
> kernel: usb 1-14: cannot get ctl value: req = 0x81, wValue = 0x101, wIndex =
> 0xa00, type = 1
> kernel: usb 1-14: 1:1: usb_set_interface failed (-71)
These look like bugs
Hi Samuel,
Should I be posting back to the Alsa mailing list? I'm not sure how this works,
I ran the command: sudo tail /var/log/kern.log the output is below, is this
what is needed or do I need more log files?
Jun 23 22:56:50 Server kernel: [ 126.014136] usb 1-14: cannot get ctl value:
r
Hi Stu,
it looks like Alsa is having trouble retrieving mixer control information
from the device,
or a quirk is missing, or something like that.
Recent kernels have a new usb_audio_dbg() feature that dynamically enable
printing of debug information for usb audio.
If you kernel was compiled with
Have made a 48K 16bit wav file for testing and get error msg:
stu@Server:~$ sudo aplay -D plughw:1,0 /media/Disk2/Rehab.wavPlaying WAVE
'/media/Disk2/Rehab.wav' : Signed 16 bit Little Endian, Rate 48000 Hz,
Stereoaplay: set_params:1297: Unable to install hw params:ACCESS:
RW_INTERLEAVEDFORMAT:
