Hi Paul On Mon, 20 Feb 2023 at 19:04, Paul Neelands <paulnee@xxxxxxxxxxxx> wrote: > > Hi, > > Sometimes the simplest things stump me. The privacy switch was it on > both laptops. > > Thanks very much for all the thought and help. Very welcome :) You would be surprised how many people are affected by this. Have a great day > > Paul Neelands > > ------------------------------------- > > On 2/20/23 11:36, Ricardo Ribalda wrote: > > Hi Paul > > > > Sorry if you have already checked it, but: are you sure that the > > privacy switch is not toggled on your device? > > https://dl.dell.com/topicspdf/inspiron-16-7610-laptop_users-guide_en-us.pdf > > > > Can you try running yavta with something like: > > > > yavta -l --capture=3 -F /dev/video0 > > > > and then shading the output of yavta, and maybe also the generated > > file frame-000002.bin > > > > Thanks > > > > On Mon, 13 Feb 2023 at 15:04, Paul Neelands <paulnee@xxxxxxxxxxxx> wrote: > >> Attached is kern.log after running and closing 'cheese' and then > >> 'webcamoid'. > >> > >> Thanks for all your input. > >> > >> Paul > >> > >> --------------------------------------- > >> > >> On 2/13/23 07:21, Laurent Pinchart wrote: > >>> Hi Paul, > >>> > >>> On Sun, Feb 12, 2023 at 07:14:46PM -0500, Paul Neelands wrote: > >>>> Cheese gives a black screen with the light on. > >>>> > >>>> Webcamoid does the same. > >>>> > >>>> Zoom does the same. > >>> Could you send me the kernel log after running one of those applications > >>> ? > >>> > >>>> Attached is the output of v4l-info. > >>>> > >>>> All of these work on the Inspiron 15 3000 but not on the Inspiron 16. > >>>> They both have the same camera. The only difference is that the Inspiron > >>>> 15 camera is on usb bus 1 while the Inspiron 16 camera is on usb bus 2. > >>>> > >>>> Thanks for the reply. > >>>> > >>>> Paul > >>>> > >>>> ------------------------- > >>>> > >>>> On 2/12/23 18:23, Laurent Pinchart wrote: > >>>>> Hi Paul, > >>>>> > >>>>> Please don't drop the mailing list in your replies. > >>>>> > >>>>> On Sun, Feb 12, 2023 at 05:06:37PM -0500, Paul Neelands wrote: > >>>>>> Hi, > >>>>>> > >>>>>> Thanks for the reply. > >>>>>> > >>>>>> There is only one video device so I am confused about video0 & video1. > >>>>>> > >>>>>> > >>>>>> ls -l /dev/video* > >>>>>> crw-rw----+ 1 root video 81, 0 Feb 12 16:23 /dev/video0 > >>>>>> crw-rw----+ 1 root video 81, 1 Feb 12 16:23 /dev/video1 > >>>>>> > >>>>>> ls -l /sys/class/video4linux/video* > >>>>>> lrwxrwxrwx 1 root root 0 Feb 12 16:23 /sys/class/video4linux/video0-> > >>>>>> ../../devices/pci0000:00/0000:00:14.0/usb2/2-6/2-6:1.0/video4linux/video0 > >>>>>> lrwxrwxrwx 1 root root 0 Feb 12 16:23 /sys/class/video4linux/video1-> > >>>>>> ../../devices/pci0000:00/0000:00:14.0/usb2/2-6/2-6:1.0/video4linux/video1 > >>>>>> > >>>>>> lsusb -v -d 0c45:6739 is attached as file lsusb. > >>>>>> > >>>>>> */var/log/kern.**log is attached as file klog* > >>>>> Nothing strikes me as wrong there. You said your webcam doesn't work, > >>>>> could you please elaborate ? > >>>>> > >>>>>> On 2/12/23 16:04, Laurent Pinchart wrote: > >>>>>>> Hi Paul, > >>>>>>> > >>>>>>> (CC'ing the linux-media mailing list) > >>>>>>> > >>>>>>> On Sun, Feb 12, 2023 at 02:51:33PM -0500, Paul Neelands wrote: > >>>>>>>> Hi. > >>>>>>>> > >>>>>>>> I have a new dell Inspiron 16 5620 where the camera doesn't work. The camera > >>>>>>>> is the same as a Dell Inspiron 15 3000 that I have where it works. The > >>>>>>>> difference between the two machines is that on the I15 it is on usb bus 1 > >>>>>>>> whereas it is on bus 2 on the I16. > >>>>>>>> > >>>>>>>> I downloaded and built the latest kernel 6.2.0-rc7 and no joy. I looked at your > >>>>>>>> driver for the camera uvcvideo but haven't yet figured out where it finds the > >>>>>>>> usb bus. The lsusb of the camera is: > >>>>>>>> > >>>>>>>> Bus 002 Device 004: ID 0c45:6739 Microdia Integrated_Webcam_FHD > >>>>>>>> > >>>>>>>> The kernel finds it with the demsg: > >>>>>>>> > >>>>>>>> 13.999455] usb 2-6: Found UVC 1.00 device Integrated_Webcam_FHD (0c45:6739) > >>>>>>>> 14.059462] usbcore: registered new interface driver uvcvideo > >>>>>>>> > >>>>>>>> I would really appreciate some help on where and how the usb bus gets > >>>>>>>> enumerated for the camera. > >>>>>>> What's the output of `ls -l /sys/class/video4linux/video*/` and > >>>>>>> `ls -l /dev/video*` ? > >>>>>>> > >>>>>>> Could you provide your full kernel log, as well as the output of > >>>>>>> `lsusb -v -d 0c45:6739` (if possible running as root, for instance with > >>>>>>> sudo) ? > > > > -- Ricardo Ribalda
