Re: [Alsa-user] Troubleshooting new USB audio device

Caelia Chapin wrote: > On Thu, Feb 23, 2017 at 5:47 AM, Clemens Ladisch wrote: >> In sound/usb/clock.c, around line 192, try to remove this: >> >> if (validate && !uac_clock_source_is_valid(chip, entity_id)) >> { >> usb_audio_err(chip, >>

Re: [Alsa-user] Troubleshooting new USB audio device

Hi, Clemens-- On Thu, Feb 23, 2017 at 5:47 AM, Clemens Ladisch wrote: > Caelia Chapin wrote: > > On Thu, Feb 23, 2017 at 5:14 AM, Clemens Ladisch wrote: > > This might be a bug in the firmware of your device (I guess the > driver > > shipped with it does not bother to ask for the clock s

Re: [Alsa-user] Troubleshooting new USB audio device

Caelia Chapin wrote: > On Thu, Feb 23, 2017 at 5:14 AM, Clemens Ladisch wrote: > This might be a bug in the firmware of your device (I guess the driver > shipped with it does not bother to ask for the clock source status, and so > this function was never tested). > > Do you know how

Re: [Alsa-user] Troubleshooting new USB audio device

On Thu, Feb 23, 2017 at 5:14 AM, Clemens Ladisch wrote: > > > This might be a bug in the firmware of your device (I guess the driver > shipped with it does not bother to ask for the clock source status, and so > this function was never tested). > > Do you know how to recompile your kernel? Yes,

Re: [Alsa-user] Troubleshooting new USB audio device

Caelia Chapin wrote: > On Thu, Feb 23, 2017 at 12:29 AM, Clemens Ladisch wrote: > > $ aplay -Dplughw:MCX8000 pj.wav > > Playing WAVE 'pj.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, > Stereo > > aplay: set_params:1363: Unable to install hw params: > > Hmm. Any error messages

Re: [Alsa-user] Troubleshooting new USB audio device

On Thu, Feb 23, 2017 at 12:29 AM, Clemens Ladisch wrote: > > $ aplay -Dplughw:MCX8000 pj.wav > > Playing WAVE 'pj.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, > Stereo > > aplay: set_params:1363: Unable to install hw params: > > Hmm. Any error messages in the system log? > Just this*:

Re: [Alsa-user] Troubleshooting new USB audio device

Caelia Chapin wrote: > On Wed, Feb 22, 2017 at 8:12 AM, Clemens Ladisch > wrote: > > Try "-D plughw:MCX8000" instead. > > Oh. That does not actually play the sound, but it does yield some possibly > interesting info: > > $ aplay -Dplughw:MCX8000 pj.wav > Playing WAV

Re: [Alsa-user] Troubleshooting new USB audio device

On Wed, Feb 22, 2017 at 8:12 AM, Clemens Ladisch wrote: Try "-D plughw:MCX8000" instead. Oh. That does not actually play the sound, but it does yield some possibly interesting info: $ aplay -Dplughw:MCX8000 pj.wav Playing WAVE 'pj.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo aplay:

Re: [Alsa-user] Troubleshooting new USB audio device

Caelia Chapin wrote: > do you know what "multi validity" means? It shows whether the clock source named "Multi" is current valid. > $ aplay -Ddefault:CARD=MCX8000 -v test.wav Try "-D plughw:MCX8000" instead. Regards, Clemens --

Re: [Alsa-user] Troubleshooting new USB audio device

On Wed, Feb 22, 2017 at 3:11 AM, Caelia Chapin wrote: > > >> Do aplay/arecord work? >> > > I don't know if I should be able to record - that would be an unusual > thing to do with a DJ controller. > However, for the sake of completeness, I plugged in a mic and attempted to record my voice with a

Re: [Alsa-user] Troubleshooting new USB audio device

Hi, Clemens- Thanks for your reply ... On Wed, Feb 22, 2017 at 1:09 AM, Clemens Ladisch wrote: > Caelia Chapin wrote: > > >MULTI Validity > > Alsamixer does not show devices; it shows mixer controls. Apparently, > your device does not have any useful mixer controls accessible by > software

Re: [Alsa-user] Troubleshooting new USB audio device

Caelia Chapin wrote: > When I run alsamixer, DENON DJ MCX8000 is one of the sound cards I can > select; when I do select it, the results depend on the kernel version. > With older kernels, no playback or capture devices are shown for this > card > >MULTI Validity Alsamixer does not show device