[alsa-devel] Problems with usb soundcard in kernels > 3.3
Clemens Ladisch
clemens at ladisch.de
Wed Nov 12 15:36:12 CET 2014
Bogdan Veringioiu wrote:
> There is one message that appears in syslog, but it is always
> displayed when I test with aplay, unregarding the kernel version.
>
> --> with kernel 3.2.0-4-686-pae
> kernel: [ 2829.369380] 2:1:1: cannot get freq at ep 0x2
>
> --> with kernel 3.16-0.bpo.2-686-pae
> kernel: [ 199.353227] usb 2-1: 1:1: cannot get freq at ep 0x2
This indicates a bug in the device's firmware.
The timeout for control messages was increased from 100 ms to 1000 ms
in kernel 3.3.
Regards,
Clemens
More information about the Alsa-devel
mailing list