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) ? -- Regards, Laurent Pinchart
