> -----Original Message----- > From: Paul Menzel [mailto:pmenzel+linux-media@xxxxxxxxxxxxx] > Sent: Wednesday, March 21, 2018 7:35 AM > To: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Cc: linux-media@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; it+linux- > media@xxxxxxxxxxxxx; Limonciello, Mario <Mario_Limonciello@xxxxxxxx> > Subject: Re: uvcvideo: Unknown video format,00000032-0002-0010-8000- > 00aa00389b71 > > Dear Laurent, > > > On 03/21/2018 10:25 AM, Laurent Pinchart wrote: > > > On Tuesday, 20 March 2018 18:46:24 EET Paul Menzel wrote: > >> On 03/20/18 14:30, Laurent Pinchart wrote: > >>> On Tuesday, 20 March 2018 14:20:14 EET Paul Menzel wrote: > >>>> On the Dell XPS 13 9370, Linux 4.16-rc6 outputs the messages below. > >>>> > >>>> ``` > >> > >> […] > >> > >>>> [ 2.340736] input: Integrated_Webcam_HD: Integrate as > >>>> /devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5:1.0/input/input9 > >>>> [ 2.341447] uvcvideo: Unknown video format > >>>> 00000032-0002-0010-8000-00aa00389b71 >> [ 2.341450] uvcvideo: Found > >>>> UVC 1.00 device Integrated_Webcam_HD (0bda:58f4) > >> > >> […] > >> > >>>> ``` > >>>> > >>>> Please tell me, what I can do to improve the situation. > >>> > >>> Some vendors routinely implement new formats without bothering to send a > >>> patch for the uvcvideo driver. It would be easy to do so, but it requires > >>> knowing which format is meant by the GUID. Most format GUIDs are of the > >>> form 32595559-0000-0010-8000-00aa00389b71 that starts with a 4CC, but > >>> that's not the case here. > >> > >> I am adding Mario to the receiver list, though he is currently on vacation. > >> > >>> Could you send me the output of > >>> > >>> lsusb -v -d 0bda:58f4 > >>> > >>> running as root if possible ? > >> > >> Sure, please find it attached. > > > > Thank you. > > > > Could you please try the following patch ? > > > > commit 7b3dea984b380f5b4b5c1956a9c6c23966af2149 > > Author: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > > Date: Wed Mar 21 11:16:40 2018 +0200 > > > > media: uvcvideo: Add KSMedia 8-bit IR format support > > > > Add support for the 8-bit IR format GUID defined in the Microsoft Kernel > > Streaming Media API. > > > > Reported-by: Paul Menzel <pmenzel+linux-media@xxxxxxxxxxxxx> > > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > > > > diff --git a/drivers/media/usb/uvc/uvc_driver.c > b/drivers/media/usb/uvc/uvc_driver.c > > index 2469b49b2b30..3691d87ef869 100644 > > --- a/drivers/media/usb/uvc/uvc_driver.c > > +++ b/drivers/media/usb/uvc/uvc_driver.c > > @@ -99,6 +99,11 @@ static struct uvc_format_desc uvc_fmts[] = { > > .guid = UVC_GUID_FORMAT_D3DFMT_L8, > > .fcc = V4L2_PIX_FMT_GREY, > > }, > > + { > > + .name = "IR 8-bit (L8_IR)", > > + .guid = UVC_GUID_FORMAT_KSMEDIA_L8_IR, > > + .fcc = V4L2_PIX_FMT_GREY, > > + }, > > { > > .name = "Greyscale 10-bit (Y10 )", > > .guid = UVC_GUID_FORMAT_Y10, > > diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h > > index be5cf179228b..6b955e0dd956 100644 > > --- a/drivers/media/usb/uvc/uvcvideo.h > > +++ b/drivers/media/usb/uvc/uvcvideo.h > > @@ -157,6 +157,9 @@ > > #define UVC_GUID_FORMAT_D3DFMT_L8 \ > > {0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, \ > > 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} > > +#define UVC_GUID_FORMAT_KSMEDIA_L8_IR \ > > + {0x32, 0x00, 0x00, 0x00, 0x02, 0x00, 0x10, 0x00, \ > > + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} > > > > > > /* ------------------------------------------------------------------------ > > Sure. After fighting how to apply with Mozilla Thunderbird as my mailer > – hints are welcome –, the warning is gone. > > ``` > [ 2.569788] calling uvc_init+0x0/0x1000 [uvcvideo] @ 297 > [ 2.570011] calling cryptd_init+0x0/0x1000 [cryptd] @ 287 > [ 2.570018] cryptd: max_cpu_qlen set to 1000 > [ 2.570022] initcall cryptd_init+0x0/0x1000 [cryptd] returned 0 after > 7 usecs > [ 2.570030] calling init_nls_cp437+0x0/0x1000 [nls_cp437] @ 332 > [ 2.570033] initcall init_nls_cp437+0x0/0x1000 [nls_cp437] returned 0 > after 0 usecs > [ 2.570502] uvcvideo: Found UVC 1.00 device Integrated_Webcam_HD > (0bda:58f4) > [ 2.573583] uvcvideo 1-5:1.0: Entity type for entity Extension 4 was > not initialized! > [ 2.573585] uvcvideo 1-5:1.0: Entity type for entity Extension 7 was > not initialized! > [ 2.573586] uvcvideo 1-5:1.0: Entity type for entity Processing 2 was > not initialized! > [ 2.573587] uvcvideo 1-5:1.0: Entity type for entity Camera 1 was not > initialized! > [ 2.573652] input: Integrated_Webcam_HD: Integrate as > /devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5:1.0/input/input10 > [ 2.574192] uvcvideo: Found UVC 1.00 device Integrated_Webcam_HD > (0bda:58f4) > [ 2.575629] proc_thermal 0000:00:04.0: enabling device (0000 -> 0002) > [ 2.576052] uvcvideo: Unable to create debugfs 1-2 directory. > [ 2.576118] uvcvideo 1-5:1.2: Entity type for entity Extension 10 was > not initialized! > [ 2.576119] uvcvideo 1-5:1.2: Entity type for entity Extension 12 was > not initialized! > [ 2.576120] uvcvideo 1-5:1.2: Entity type for entity Processing 9 was > not initialized! > [ 2.576121] uvcvideo 1-5:1.2: Entity type for entity Camera 11 was > not initialized! > [ 2.576184] input: Integrated_Webcam_HD: Integrate as > /devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5:1.2/input/input11 > [ 2.576229] usbcore: registered new interface driver uvcvideo > [ 2.576230] USB Video Class driver (1.1.1) > [ 2.576236] initcall uvc_init+0x0/0x1000 [uvcvideo] returned 0 after > 6290 usecs > ``` > > Tested-by: Paul Menzel <pmenzel+linux-media@xxxxxxxxxxxxx> > Great to hear. Laurent, when you submit this with Paul's tag would you please consider to also CC @stable.
