Hi Minas, >I can recommend you: >1. disable debug prints to minimize platform loading [Palak] I am working on this >2. change Descriptor DMA mode to Buffer DMA [Palak] Can you please explain this more, what does this mean? Thanks, Palak -----Original Message----- From: Minas Harutyunyan <Minas.Harutyunyan@xxxxxxxxxxxx> Sent: Thursday, March 2, 2023 11:35 PM 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 Palak, >On 2/28/2023 12:21 AM, Palak SHAH wrote: >From: Palak SHAH <palak.shah@xxxxxxxxxxx> >Sent: Tuesday, February 28, 2023 12:21 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 following USB traces and debug log. >1) dmesg and usb sniffer logs during driver loading. > >2) EP1(OUT) - I play AUDIO on the HOST. And I do arecord on the linux >device that acts as USB gadget. So the audio is going OUT from the >host. So you will see EP1 OUT. >I have attached logs and USB sniffer data, during arecord. > >I am not testing ISOC EP1(IN) yet. I am still seeing and debugging >issues with Ep1(out). > >3) When I change UAC1_DEF_REQ_NUM 2 changed to 32, the problem STILL >exist with EP1(OUT). ONLY log behaivor is different. In the log I see >XferCompl, but I don’t get any data in the arecord. >I have attached 2 files. Arecord_command.txt shows what I run. >Arecord_output shows what I get after I run the command. > >4) I sent you regdump, hw_params, params and fifo in the previous email. > I'm not find any issue based on the '_arecord.txt', just again 7 second time gap: [ 228.173271] dwc2 ffb40000.usb: dwc2_hsotg_epint: At the end of the function, dwc2_hsotg_epint() [ 228.173271] [ 235.536299] dwc2 ffb40000.usb: dwc2_hsotg_ep_queue, ep1out: req 777cd34b: req len(200)@req buf(af65750d), # of int=0, req zero=0, snok(short not ok)=0 I can recommend you: 1. disable debug prints to minimize platform loading 2. change Descriptor DMA mode to Buffer DMA Thanks, Minas >Thanks, >Palak > >-----Original Message----- >From: Minas Harutyunyan <Minas.Harutyunyan@xxxxxxxxxxxx> >Sent: Monday, February 27, 2023 5:18 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 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. > >________________________________ > >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. ________________________________ 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.
