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Hello,
I'm having issues with my webcam on my laptop. My webcam is detected by my apps that need it, but the output of the webcam just shows a black screen. Even running
ffplay /dev/video0displays a black screen.
Here's some info about my system:
$ v4l2-ctl --list-devices
FHD WebCam: FHD WebCam (usb-0000:65:00.4-1):
/dev/video0
/dev/video1
/dev/video2
/dev/video3
/dev/media0
/dev/media1$ lsusb | grep -i cam
Bus 003 Device 002: ID 2b7e:c858 Kingcome FHD WebCam$ lsmod
Module Size Used by
ccm 20480 6
snd_seq_dummy 12288 0
snd_hrtimer 12288 1
snd_seq 135168 7 snd_seq_dummy
snd_seq_device 16384 1 snd_seq
snd_ctl_led 28672 0
uinput 24576 2
vfat 24576 1
fat 110592 1 vfat
snd_sof_amd_acp70 16384 0
snd_sof_amd_acp63 16384 0
snd_sof_amd_vangogh 16384 0
snd_sof_amd_rembrandt 16384 0
snd_sof_amd_renoir 16384 0
snd_sof_amd_acp 73728 5 snd_sof_amd_acp70,snd_sof_amd_rembrandt,snd_sof_amd_vangogh,snd_sof_amd_acp63,snd_sof_amd_renoir
snd_sof_pci 24576 5 snd_sof_amd_acp70,snd_sof_amd_rembrandt,snd_sof_amd_vangogh,snd_sof_amd_acp63,snd_sof_amd_renoir
snd_sof_xtensa_dsp 16384 1 snd_sof_amd_acp
snd_sof 475136 2 snd_sof_amd_acp,snd_sof_pci
snd_sof_utils 16384 1 snd_sof
snd_pci_ps 36864 0
amd_atl 57344 1
snd_soc_acpi_amd_match 12288 2 snd_sof_amd_acp63,snd_pci_ps
intel_rapl_msr 20480 0
snd_amd_sdw_acpi 16384 2 snd_sof_amd_acp,snd_pci_ps
intel_rapl_common 53248 1 intel_rapl_msr
iwlmvm 745472 0
soundwire_amd 45056 2 snd_sof_amd_acp,snd_pci_ps
soundwire_generic_allocation 20480 1 soundwire_amd
soundwire_bus 1208320 2 soundwire_generic_allocation,soundwire_amd
snd_soc_sdca 69632 1 soundwire_bus
snd_hda_codec_conexant 36864 1
mac80211 1654784 1 iwlmvm
snd_hda_codec_generic 114688 1 snd_hda_codec_conexant
snd_soc_core 430080 3 snd_sof,snd_soc_sdca,soundwire_amd
snd_hda_codec_hdmi 94208 1
libarc4 12288 1 mac80211
snd_compress 28672 1 snd_soc_core
kvm_amd 241664 0
snd_hda_intel 69632 2
ptp 49152 1 iwlmvm
ac97_bus 12288 1 snd_soc_core
pps_core 32768 1 ptp
snd_intel_dspcfg 45056 2 snd_hda_intel,snd_sof
snd_pcm_dmaengine 20480 1 snd_soc_core
snd_intel_sdw_acpi 16384 1 snd_intel_dspcfg
snd_rpl_pci_acp6x 16384 0
kvm 1392640 1 kvm_amd
uvcvideo 188416 0
snd_acp_pci 12288 0
snd_hda_codec 217088 4 snd_hda_codec_generic,snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel
snd_amd_acpi_mach 12288 1 snd_acp_pci
joydev 24576 0
videobuf2_vmalloc 20480 1 uvcvideo
iwlwifi 610304 1 iwlmvm
mousedev 28672 0
snd_acp_legacy_common 20480 1 snd_acp_pci
uvc 12288 1 uvcvideo
snd_hda_core 139264 5 snd_hda_codec_generic,snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
irqbypass 16384 1 kvm
snd_pci_acp6x 20480 0
videobuf2_memops 16384 1 videobuf2_vmalloc
snd_hwdep 24576 1 snd_hda_codec
polyval_clmulni 12288 0
videobuf2_v4l2 40960 1 uvcvideo
btusb 81920 0
ghash_clmulni_intel 12288 0
snd_pcm 212992 14 snd_sof_amd_acp,snd_hda_codec_hdmi,snd_pci_acp6x,snd_acp_legacy_common,snd_hda_intel,snd_hda_codec,snd_sof,snd_compress,snd_soc_core,snd_sof_utils,soundwire_amd,snd_hda_core,snd_pci_ps,snd_pcm_dmaengine
snd_pci_acp5x 20480 0
spd5118 16384 0
videobuf2_common 94208 4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops
ucsi_acpi 12288 0
cfg80211 1404928 3 iwlmvm,iwlwifi,mac80211
sha512_ssse3 49152 0
btrtl 32768 1 btusb
snd_rn_pci_acp3x 24576 0
typec_ucsi 77824 1 ucsi_acpi
asus_wmi 110592 0
snd_timer 57344 3 snd_seq,snd_hrtimer,snd_pcm
sp5100_tco 20480 0
sha1_ssse3 32768 0
btintel 73728 1 btusb
snd_acp_config 20480 10 snd_rn_pci_acp3x,snd_sof_amd_acp70,snd_pci_acp6x,snd_pci_acp5x,snd_sof_amd_rembrandt,snd_sof_amd_vangogh,snd_sof_amd_acp63,snd_acp_pci,snd_pci_ps,snd_sof_amd_renoir
typec 114688 1 typec_ucsi
platform_profile 16384 1 asus_wmi
snd 155648 20 snd_ctl_led,snd_hda_codec_generic,snd_seq,snd_hda_codec_conexant,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_sof,snd_timer,snd_compress,snd_soc_core,snd_pcm
btbcm 24576 1 btusb
videodev 397312 2 videobuf2_v4l2,uvcvideo
aesni_intel 98304 4
i2c_piix4 36864 0
snd_soc_acpi 16384 5 snd_sof_amd_acp,snd_acp_legacy_common,snd_acp_config,snd_amd_acpi_mach,snd_pci_ps
sparse_keymap 12288 1 asus_wmi
btmtk 32768 1 btusb
hid_multitouch 36864 0
roles 16384 1 typec_ucsi
bluetooth 1110016 6 btrtl,btmtk,btintel,btbcm,btusb
mc 90112 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
rapl 20480 0
wmi_bmof 12288 0
pcspkr 12288 0
ccp 184320 1 kvm_amd
amdxdna 176128 0
thunderbolt 573440 1 typec
snd_pci_acp3x 20480 0
soundcore 16384 2 snd_ctl_led,snd
rfkill 45056 8 iwlmvm,asus_wmi,bluetooth,cfg80211
i2c_smbus 20480 1 i2c_piix4
k10temp 16384 0
i2c_hid_acpi 12288 0
i2c_hid 45056 1 i2c_hid_acpi
amd_pmc 57344 0
mac_hid 12288 0
loop 45056 0
dm_mod 229376 0
nfnetlink 20480 1
ip_tables 36864 0
x_tables 65536 1 ip_tables
sdhci_pci 114688 0
sdhci_uhs2 36864 1 sdhci_pci
nvme 69632 3
sdhci 102400 2 sdhci_uhs2,sdhci_pci
cqhci 45056 1 sdhci_pci
nvme_core 270336 4 nvme
serio_raw 20480 0
nvme_keyring 20480 1 nvme_core
mmc_core 290816 4 sdhci_uhs2,sdhci,cqhci,sdhci_pci
nvme_auth 32768 1 nvme_core
amdgpu 15593472 23
amdxcp 12288 1 amdgpu
i2c_algo_bit 24576 1 amdgpu
drm_ttm_helper 16384 1 amdgpu
ttm 118784 2 amdgpu,drm_ttm_helper
drm_exec 12288 1 amdgpu
gpu_sched 65536 2 amdxdna,amdgpu
drm_suballoc_helper 16384 1 amdgpu
video 81920 2 asus_wmi,amdgpu
wmi 32768 3 video,asus_wmi,wmi_bmof
drm_panel_backlight_quirks 12288 1 amdgpu
drm_buddy 28672 1 amdgpu
drm_display_helper 278528 1 amdgpu
cec 94208 2 drm_display_helper,amdgpuI appreciate any help
Edit: My web cam has a privacy cover
Last edited by mateidragony (2025-09-12 13:16:37)
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