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On my 

# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.

Handle 0x000E, DMI type 1, 27 bytes
System Information
        Manufacturer: LENOVO
        Product Name: 2350B58
        Version: ThinkPad T430
        Serial Number: PBVVBLH
        UUID: cdcb8a01-5190-11cb-9490-98976e1f3194
        Wake-up Type: Power Switch
        SKU Number: LENOVO_MT_2350
        Family: ThinkPad T430

is one builtin camera, but I have two device nodes in /dev.

ls -ltrh /dev/video*
crw-rw----+ 1 root video 81, 1 Apr 25 08:23 /dev/video1
crw-rw----+ 1 root video 81, 0 Apr 25 08:23 /dev/video0

the quality is low.

lsusb | grep camera
Bus 001 Device 006: ID 04f2:b2db Chicony Electronics Co., Ltd Thinkpad T430 camera

udevadmin test

running kernel 

 uname -r   5.3.0-46-generic

My system is an upgrade from ubuntu 19.04.

nobody
  • 5,437

1 Answers1

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Really I should learn to search with english keywords.

here ist the explanation for and here the background.

nobody
  • 5,437