Hi Palak, On 1/7/2023 1:37 AM, Palak SHAH wrote: >From: Palak SHAH <palak.shah@xxxxxxxxxxx> >Sent: Saturday, January 7, 2023 1:37 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, >Sorry for the delay in replying to the last post. > >To answer your question, I do not stop the host from playing the audio. > >In terms of debug messages, what messages should I look into, to see the >time gaps? We want to dig dipper into this and need more clarification on >what I should be looking at? > Look for last ep1out complete in dmesg. Time gap seen after last successfully completed ep1out transfer: and next interrupt: ... complete: ep 2d935d20 ep1out, req 84363dbd, 0 => 8a5ef613 ... dwc2_hsotg_irq: 04088028 00080000 (d08c3cc4) retry 8 ... Thanks, Minas >Thanks, >Palak > >-----Original Message----- >From: Minas Harutyunyan <Minas.Harutyunyan@xxxxxxxxxxxx> >Sent: Friday, December 16, 2022 2:03 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 12/16/2022 1:16 AM, Palak SHAH wrote: >>From: Palak SHAH <palak.shah@xxxxxxxxxxx> >>Sent: Friday, December 16, 2022 1:16 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 I got after I applied your latest patch. >> >>Thanks, >>Palak >> > >In last log I don't see any obvious issue besides suspicious 6 second time >gap after last ep1out transfer complete and control requests from host on >getting string device descriptors. Could you please explain why this time >gap happen? Do you stop playing from host side? If no, then it's looks like >your platform issue - interrupts from core doesn't achieve driver. >Driver is interrupt driven SW and can't work correctly if interrupts not >asserted or not passed to driver. > >Same type of time gaps (not asserted interrupts) seen in previous logs too: >1. KX4-101_2022-12-06T16_00_38.039Z.txt, 2 seconds: > >[ 182.154799] dwc2 ffb40000.usb: ureq->length:6 ureq->actual:0 [ >184.940357] dwc2 ffb40000.usb: dwc2_hsotg_irq: daint=00020000 > >2. KX4-101_2022-12-09T16_41_45.579Z.txt, 3 seconds: > >[ 2847.681630] dwc2 ffb40000.usb: ep1out: req 307d375f: 200@3a5638aa, noi=0, >zero=0, snok=0 [ 2850.442440] dwc2 ffb40000.usb: dwc2_hsotg_irq: 0428c0b8 >00080000 (d08c3c44) retry 8 > >3. KX4-101_2022-12-12T16_46_16.365Z.txt, 7 seconds: > >[ 504.335408] dwc2 ffb40000.usb: dwc2_gadget_complete_isoc_request_ddma: >compl_desc # 18 [ 511.068368] dwc2 ffb40000.usb: dwc2_hsotg_irq: 0428c038 >00080000 (d08c3cc4) retry 8 > >4. KX4-101_2022-12-15T21_14_35.964Z.txt, 6 seconds: > >[ 83.796195] dwc2 ffb40000.usb: dwc2_gadget_complete_isoc_request_ddma: >compl_desc # 12 >[ 89.817700] dwc2 ffb40000.usb: dwc2_hsotg_start_req: 0ed84000 pad => >0x00000b14 > >I would recommend you to investigate your platform to find out reason of >these time gaps. > >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.
