Hi Palak, >On 2/27/2023 6:02 AM, Palak SHAH wrote: >From: Palak SHAH <palak.shah@xxxxxxxxxxx> >Sent: Monday, February 27, 2023 6:02 AM >To: Minas Harutyunyan <hminas@xxxxxxxxxxxx>; Maynard CABIENTE ><maynard.cabiente@xxxxxxxxxxx> >Cc: linux-usb@xxxxxxxxxxxxxxx >Subject: RE: usb: gadget: dwc2: not getting audio data > >Hi Minas, >Please find attached the logs - regdump, hw_params, params and fifo, taken >when the driver is loaded. > >I will send the USB traces tomorrow. USB trace for arecord (EP1IN ISOC) and debug log. Could you please confirm that after defining UAC1_DEF_REQ_NUM to 32 playing audio (EP1OUT ISOC) no any issue seen? Thanks, Minas > >Thanks, >Palak > >-----Original Message----- >From: Minas Harutyunyan <Minas.Harutyunyan@xxxxxxxxxxxx> >Sent: Friday, February 24, 2023 5:33 AM >To: Palak SHAH <palak.shah@xxxxxxxxxxx>; Maynard CABIENTE ><maynard.cabiente@xxxxxxxxxxx> >Cc: linux-usb@xxxxxxxxxxxxxxx >Subject: RE: usb: gadget: dwc2: not getting audio data > >Hi Polak, > >>On 2/24/2023 3:04 AM, Palak SHAH wrote: >>From: Palak SHAH <palak.shah@xxxxxxxxxxx> >>Sent: Friday, February 24, 2023 3:04 AM >>To: Minas Harutyunyan <hminas@xxxxxxxxxxxx>; Maynard CABIENTE >><maynard.cabiente@xxxxxxxxxxx> >>Cc: linux-usb@xxxxxxxxxxxxxxx >>Subject: RE: usb: gadget: dwc2: not getting audio data >> >>Hi Minas, >>I have attached the log where I connect to the audio gadget (and >>therefore, load the driver). We can do it using command line on a >>serial prompt or using GUI and connecting to Audio gadget. >> >>However, in both cases, I don’t see any EP1(out) data and the register >dump. >>Ep1out comes out only when I play a you tube video and I do arecord to >>capture data. > >According your device configuration EP1(out) using when you play audio, and >EP1(in) using when you record audio by arecord. >So, after driver loading these both ISOC EP's will not seen in log until >aplay/arecord will not run. > >> >>Please let me know if the log doesn’t have the information you need. > >No, it's again dmesg. I asked for core all register dump which available >under debugfs's. dwc2 debugfs's under follow directory: >/sys/kernel/debug/usb/dwc2.2.auto/ >In your case 'dwc2.2.auto' can be little bit different. In this directory >there are files regdump, hw_params, params, fifo, etc. Just use 'cat >regdump' >to get register dump. Please also provide me cat of hw_params, params and >fifo. These last 3 files need to cat just once after driver loading. > >> >>Also, I tried changing UAC1_DEF_REQ_NUM 2 changed to 32. I saw a change >>in the behaivor of logs, I got XferCompl all the time, and not ep_disabled. > >So, after defining UAC1_DEF_REQ_NUM to 32 playing audio (ep1out) work >without any issue? And increasing req number to 32 fixed issue which we >debug till now? > >>However, arecord behaivor did not change, meaning I still did not get >>the data. It only changed the logging behaivor. > >If you still see issues with arecord (ep1in) then please provide me debug >log for this case and USB trace by Ellisys. > >Thanks, >Minas > > > >________________________________ > >Ce message, ainsi que tous les fichiers joints à ce message, peuvent >contenir des informations sensibles et/ ou confidentielles ne devant pas >être divulguées. Si vous n'êtes pas le destinataire de ce message (ou que >vous recevez ce message par erreur), nous vous remercions de le notifier >immédiatement à son expéditeur, et de détruire ce message. Toute copie, >divulgation, modification, utilisation ou diffusion, non autorisée, directe >ou indirecte, de tout ou partie de ce message, est strictement interdite. > > >This e-mail, and any document attached hereby, may contain confidential >and/or privileged information. If you are not the intended recipient (or >have received this e-mail in error) please notify the sender immediately and >destroy this e-mail. Any unauthorized, direct or indirect, copying, >disclosure, distribution or other use of the material or parts thereof is >strictly forbidden.
