$ uname -srvmpio
Linux 5.7.2-arch1-1 #1 SMP PREEMPT Wed, 10 Jun 2020 20:36:24 +0000 x86_64 unknown unknown GNU/Linux

$ pacman -Q qt5-wayland sway wayland
qt5-wayland 5.15.0-1
sway 1:1.4-9
wayland 1.18.0-2

$ printf "$QT_QPA_PLATFORM\n$XDG_CURRENT_DESKTOP"
wayland-egl
sway

$ sudo dmidecode -H 0x0012
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.1.1 present.
Table at 0x6DE3C000.

Handle 0x0012, DMI type 1, 27 bytes
System Information
	Manufacturer: LENOVO
	Product Name: 20QDCTO1WW
	Version: ThinkPad X1 Carbon 7th
	Serial Number: [redacted]
	UUID: [redacted]
	Wake-up Type: Power Switch
	SKU Number: LENOVO_MT_20QD_BU_Think_FM_ThinkPad X1 Carbon 7th
	Family: ThinkPad X1 Carbon 7th

$ ls /dev/video*
/dev/video0  /dev/video1

$ v4l2-ctl --list-devices
Integrated Camera: Integrated C (usb-0000:00:14.0-8):
	/dev/video0
	/dev/video1
	/dev/media0

$ v4l2-ctl -Dd /dev/video0
Driver Info:
	Driver name      : uvcvideo
	Card type        : Integrated Camera: Integrated C
	Bus info         : usb-0000:00:14.0-8
	Driver version   : 5.7.2
	Capabilities     : 0x84a00001
		Video Capture
		Metadata Capture
		Streaming
		Extended Pix Format
		Device Capabilities
	Device Caps      : 0x04200001
		Video Capture
		Streaming
		Extended Pix Format
Media Driver Info:
	Driver name      : uvcvideo
	Model            : Integrated Camera: Integrated C
	Serial           : 
	Bus info         : usb-0000:00:14.0-8
	Media version    : 5.7.2
	Hardware revision: 0x00001902 (6402)
	Driver version   : 5.7.2
Interface Info:
	ID               : 0x03000002
	Type             : V4L Video
Entity Info:
	ID               : 0x00000001 (1)
	Name             : Integrated Camera: Integrated C
	Function         : V4L2 I/O
	Flags         : default
	Pad 0x01000007   : 0: Sink
	  Link 0x02000010: from remote pad 0x100000a of entity 'Extension 3': Data, Enabled, Immutable

$ v4l2-ctl -Dd /dev/video1
Driver Info:
	Driver name      : uvcvideo
	Card type        : Integrated Camera: Integrated C
	Bus info         : usb-0000:00:14.0-8
	Driver version   : 5.7.2
	Capabilities     : 0x84a00001
		Video Capture
		Metadata Capture
		Streaming
		Extended Pix Format
		Device Capabilities
	Device Caps      : 0x04a00000
		Metadata Capture
		Streaming
		Extended Pix Format
Media Driver Info:
	Driver name      : uvcvideo
	Model            : Integrated Camera: Integrated C
	Serial           : 
	Bus info         : usb-0000:00:14.0-8
	Media version    : 5.7.2
	Hardware revision: 0x00001902 (6402)
	Driver version   : 5.7.2
Interface Info:
	ID               : 0x03000005
	Type             : V4L Video
Entity Info:
	ID               : 0x00000004 (4)
	Name             : Integrated Camera: Integrated C
	Function         : V4L2 I/O

$ v4l2-ctl -n -d /dev/video0
ioctl: VIDIOC_ENUMINPUT
	Input       : 0
	Name        : Camera 1
	Type        : 0x00000002 (Camera)
	Audioset    : 0x00000000
	Tuner       : 0x00000000
	Standard    : 0x0000000000000000 ()
	Status      : 0x00000000 (ok)
	Capabilities: 0x00000000 (not defined)

$ v4l2-ctl -n -d /dev/video1
ioctl: VIDIOC_ENUMINPUT

$ udevadm info -n /dev/video0
P: /devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/video4linux/video0
N: video0
L: 0
S: v4l/by-path/pci-0000:00:14.0-usb-0:8:1.0-video-index0
S: v4l/by-id/usb-Azurewave_Integrated_Camera-video-index0
E: DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/video4linux/video0
E: DEVNAME=/dev/video0
E: MAJOR=81
E: MINOR=0
E: SUBSYSTEM=video4linux
E: USEC_INITIALIZED=2684835
E: ID_V4L_VERSION=2
E: ID_V4L_PRODUCT=Integrated Camera: Integrated C
E: ID_V4L_CAPABILITIES=:capture:
E: ID_VENDOR=Azurewave
E: ID_VENDOR_ENC=Azurewave
E: ID_VENDOR_ID=13d3
E: ID_MODEL=Integrated_Camera
E: ID_MODEL_ENC=Integrated\x20Camera
E: ID_MODEL_ID=56bb
E: ID_REVISION=1902
E: ID_SERIAL=Azurewave_Integrated_Camera
E: ID_TYPE=video
E: ID_BUS=usb
E: ID_USB_INTERFACES=:0e0100:0e0200:
E: ID_USB_INTERFACE_NUM=00
E: ID_USB_DRIVER=uvcvideo
E: ID_PATH=pci-0000:00:14.0-usb-0:8:1.0
E: ID_PATH_TAG=pci-0000_00_14_0-usb-0_8_1_0
E: ID_FOR_SEAT=video4linux-pci-0000_00_14_0-usb-0_8_1_0
E: COLORD_DEVICE=1
E: COLORD_KIND=camera
E: DEVLINKS=/dev/v4l/by-path/pci-0000:00:14.0-usb-0:8:1.0-video-index0 /dev/v4l/by-id/usb-Azurewave_Integrated_Camera-video-index0
E: TAGS=:seat:uaccess:

$ udevadm info -n /dev/video1
P: /devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/video4linux/video1
N: video1
L: 0
S: v4l/by-id/usb-Azurewave_Integrated_Camera-video-index1
S: v4l/by-path/pci-0000:00:14.0-usb-0:8:1.0-video-index1
E: DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/video4linux/video1
E: DEVNAME=/dev/video1
E: MAJOR=81
E: MINOR=1
E: SUBSYSTEM=video4linux
E: USEC_INITIALIZED=2681503
E: ID_V4L_VERSION=2
E: ID_V4L_PRODUCT=Integrated Camera: Integrated C
E: ID_V4L_CAPABILITIES=:
E: ID_VENDOR=Azurewave
E: ID_VENDOR_ENC=Azurewave
E: ID_VENDOR_ID=13d3
E: ID_MODEL=Integrated_Camera
E: ID_MODEL_ENC=Integrated\x20Camera
E: ID_MODEL_ID=56bb
E: ID_REVISION=1902
E: ID_SERIAL=Azurewave_Integrated_Camera
E: ID_TYPE=video
E: ID_BUS=usb
E: ID_USB_INTERFACES=:0e0100:0e0200:
E: ID_USB_INTERFACE_NUM=00
E: ID_USB_DRIVER=uvcvideo
E: ID_PATH=pci-0000:00:14.0-usb-0:8:1.0
E: ID_PATH_TAG=pci-0000_00_14_0-usb-0_8_1_0
E: ID_FOR_SEAT=video4linux-pci-0000_00_14_0-usb-0_8_1_0
E: COLORD_DEVICE=1
E: COLORD_KIND=camera
E: DEVLINKS=/dev/v4l/by-id/usb-Azurewave_Integrated_Camera-video-index1 /dev/v4l/by-path/pci-0000:00:14.0-usb-0:8:1.0-video-index1
E: TAGS=:uaccess:seat: