OUTPUT OF v4l2-ctl --info :

Driver Info (not using libv4l2):
    Driver name   : uvcvideo
    Card type     : Integrated_Webcam_FHD
    Bus info      : usb-0000:00:14.0-2
    Driver version: 4.8.17
    Capabilities  : 0x84200001
        Video Capture
        Streaming
        Extended Pix Format
        Device Capabilities
    Device Caps   : 0x04200001
        Video Capture
        Streaming
        Extended Pix Format



OUTPUT OF HWINFO | GREP VIDEO (WHEN IT WORKS):

uvcvideo: /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0
        uvcvideo: /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.1
        uvcvideo: module = uvcvideo
           video: /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00
    input device: bus = acpi, bus_id = LNXVIDEO:00 driver = video
    input device: bus = usb, bus_id = 1-2:1.0 driver = uvcvideo
  P: Phys=LNXVIDEO/video/input0
  E: DRIVER=video
  E: PHYS="LNXVIDEO/video/input0"
  E: DRIVER=uvcvideo
  E: ID_TYPE=video
  E: ID_USB_DRIVER=uvcvideo
  E: ID_TYPE=video
  E: ID_USB_DRIVER=uvcvideo
  P: /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/video4linux/video0
  N: video0
  S: v4l/by-id/usb-CN0MYWHV7248773TB7HSA00_Integrated_Webcam_FHD_200901010001-video-index0
  S: v4l/by-path/pci-0000:00:14.0-usb-0:2:1.0-video-index0
  E: DEVLINKS=/dev/v4l/by-id/usb-CN0MYWHV7248773TB7HSA00_Integrated_Webcam_FHD_200901010001-video-index0 /dev/v4l/by-path/pci-0000:00:14.0-usb-0:2:1.0-video-index0
  E: DEVNAME=/dev/video0
  E: DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/video4linux/video0
  E: ID_FOR_SEAT=video4linux-pci-0000_00_14_0-usb-0_2_1_0
  E: ID_TYPE=video
  E: ID_USB_DRIVER=uvcvideo
  E: SUBSYSTEM=video4linux
  E: DRIVER=uvcvideo
  E: KEYBOARD_KEY_8F=switchvideomode
  E: KEYBOARD_KEY_8b=switchvideomode
  E: KEYBOARD_KEY_9b=switchvideomode
/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/video4linux/video0
  name: /dev/video0
  links: /dev/v4l/by-id/usb-CN0MYWHV7248773TB7HSA00_Integrated_Webcam_FHD_200901010001-video-index0, /dev/v4l/by-path/pci-0000:00:14.0-usb-0:2:1.0-video-index0
  <4>[   20.973927] Modules linked in: bnep ipheth arc4 dell_wmi sparse_keymap intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel snd_hda_codec_hdmi iwlmvm dell_laptop kvm dell_led mac80211 dell_smbios dcdbas snd_hda_codec_realtek snd_hda_codec_generic dell_smm_hwmon snd_soc_skl snd_soc_skl_ipc snd_soc_sst_ipc irqbypass snd_soc_sst_dsp crct10dif_pclmul crc32_pclmul snd_hda_ext_core snd_soc_sst_match snd_soc_core ghash_clmulni_intel snd_compress ac97_bus snd_pcm_dmaengine aesni_intel snd_hda_intel uvcvideo snd_hda_codec iwlwifi videobuf2_vmalloc aes_x86_64 lrw videobuf2_memops snd_hda_core videobuf2_v4l2 glue_helper ablk_helper cryptd intel_cstate intel_rapl_perf videobuf2_core snd_hwdep cfg80211 snd_pcm joydev input_leds videodev serio_raw rtsx_pci_ms memstick snd_seq_midi snd_seq_midi_event hid_multitouch media snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore btusb shpchp mei_me intel_pch_thermal mei btrtl hci_uart btbcm btqca btintel bluetooth tpm_crb intel_lpss_acpi int3400_thermal mac_hid intel_lpss dell_rbtn processor_thermal_device int3403_thermal acpi_thermal_rel int340x_thermal_zone acpi_pad intel_soc_dts_iosf acpi_als kfifo_buf industrialio binfmt_misc parport_pc ppdev lp parport autofs4 hid_logitech_hidpp hid_logitech_dj usbhid rtsx_pci_sdmmc i915 psmouse i2c_algo_bit drm_kms_helper syscopyarea e1000e sysfillrect sysimgblt fb_sys_fops ptp drm pps_core ahci rtsx_pci libahci wmi pinctrl_sunrisepoint video pinctrl_intel i2c_hid hid fjes
  uvcvideo 90112 0 - Live 0x0000000000000000
  videobuf2_vmalloc 16384 1 uvcvideo, Live 0x0000000000000000
  videobuf2_memops 16384 1 videobuf2_vmalloc, Live 0x0000000000000000
  videobuf2_v4l2 24576 1 uvcvideo, Live 0x0000000000000000
  videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2, Live 0x0000000000000000
  videodev 180224 3 uvcvideo,videobuf2_v4l2,videobuf2_core, Live 0x0000000000000000
  media 40960 2 uvcvideo,videodev, Live 0x0000000000000000
  video 40960 3 dell_wmi,dell_laptop,i915, Live 0x0000000000000000
  Driver: "uvcvideo"
  Driver Modules: "uvcvideo"
    Driver Status: uvcvideo is active
    Driver Activation Cmd: "modprobe uvcvideo"




OUTPUT OF HWINFO | GREP VIDEO (WHEN IT DOESN'T WORK):

        uvcvideo: module = uvcvideo
           video: /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00
    input device: bus = acpi, bus_id = LNXVIDEO:00 driver = video
  P: Phys=LNXVIDEO/video/input0
  E: DRIVER=video
  E: PHYS="LNXVIDEO/video/input0"
  E: KEYBOARD_KEY_8F=switchvideomode
  E: KEYBOARD_KEY_8b=switchvideomode
  E: KEYBOARD_KEY_9b=switchvideomode
  uvcvideo 90112 0 - Live 0x0000000000000000
  videobuf2_vmalloc 16384 1 uvcvideo, Live 0x0000000000000000
  videobuf2_memops 16384 1 videobuf2_vmalloc, Live 0x0000000000000000
  videobuf2_v4l2 24576 1 uvcvideo, Live 0x0000000000000000
  videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2, Live 0x0000000000000000
  videodev 180224 3 uvcvideo,videobuf2_v4l2,videobuf2_core, Live 0x0000000000000000
  media 40960 2 uvcvideo,videodev, Live 0x0000000000000000
  video 40960 3 dell_wmi,dell_laptop,i915, Live 0x0000000000000000