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[SOLVED] Integrated Webcam not Recognized
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quykfox
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PostPosted: Sun Nov 19, 2017 11:04 pm    Post subject: [SOLVED] Integrated Webcam not Recognized Reply with quote

I have a Lenovo P71 laptop with an integrated 720p HD Camera with Microphone. However, the camera doesn't seem to be detected by the system, because when I open video capture software like Cheese, I just get the message "No device found."

I've tried enabling and disabling many items in my kernel's configuration under Device Drivers -> Multimedia Support, but I haven't gotten any results. Does anybody know where I should be investigating or how to solve this problem.

Here's some output that might be helpful:
Code:

# lspci
00:00.0 Host bridge: Intel Corporation Device 5910 (rev 05)
00:01.0 PCI bridge: Intel Corporation Skylake PCIe Controller (x16) (rev 05)
00:02.0 VGA compatible controller: Intel Corporation Device 591b (rev 04)
00:08.0 System peripheral: Intel Corporation Skylake Gaussian Mixture Model
00:14.0 USB controller: Intel Corporation Sunrise Point-H USB 3.0 xHCI Controller (rev 31)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-H Thermal subsystem (rev 31)
00:15.0 Signal processing controller: Intel Corporation Sunrise Point-H Serial IO I2C Controller #0 (rev 31)
00:16.0 Communication controller: Intel Corporation Sunrise Point-H CSME HECI #1 (rev 31)
00:16.3 Serial controller: Intel Corporation Sunrise Point-H KT Redirection (rev 31)
00:17.0 SATA controller: Intel Corporation Sunrise Point-H SATA controller [AHCI mode] (rev 31)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #1 (rev f1)
00:1c.2 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #3 (rev f1)
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #5 (rev f1)
00:1d.0 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #9 (rev f1)
00:1d.4 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #13 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-H LPC Controller (rev 31)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-H PMC (rev 31)
00:1f.3 Audio device: Intel Corporation Device a171 (rev 31)
00:1f.4 SMBus: Intel Corporation Sunrise Point-H SMBus (rev 31)
00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (5) I219-LM (rev 31)
01:00.0 3D controller: NVIDIA Corporation GM107GLM [Quadro M620 Mobile] (rev a2)
04:00.0 Network controller: Intel Corporation Wireless 8265 / 8275 (rev 78)
70:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM961/PM961
71:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader (rev 01)

Code:
# dmesg | grep -i camera
[    3.204032] usb 1-8: Product: Integrated Camera


Thank you in advance for any assistance.


Last edited by quykfox on Mon Nov 20, 2017 11:22 pm; edited 1 time in total
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NeddySeagoon
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PostPosted: Sun Nov 19, 2017 11:07 pm    Post subject: Reply with quote

quykfox,

Code:
# dmesg | grep -i camera
[    3.204032] usb 1-8: Product: Integrated Camera
Its a USB device, so we need lsusb output.

Wild guess, it needs UVC support in the kernel.
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NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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quykfox
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Joined: 25 Jul 2016
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Location: USA

PostPosted: Mon Nov 20, 2017 9:40 pm    Post subject: Reply with quote

NeddySeagoon wrote:

Its a USB device, so we need lsusb output.

Here's some output from lsusb:
Code:

% lsusb
Bus 002 Device 002: ID 0bc2:ab24 Seagate RSS LLC Backup Plus Portable Drive
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 138a:0097 Validity Sensors, Inc.
Bus 001 Device 002: ID 04ca:7066 Lite-On Technology Corp.
Bus 001 Device 004: ID 8087:0a2b Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


Unfortunately, I'm not sure exactly how to utilize that information though.
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quykfox
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Joined: 25 Jul 2016
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Location: USA

PostPosted: Mon Nov 20, 2017 11:22 pm    Post subject: Reply with quote

NeddySeagoon wrote:

Wild guess, it needs UVC support in the kernel.


Well, it turned out that worked. I just needed to enable CONFIG_USB_VIDEO_CLASS under:
Code:

Device Drivers
    -> Multimedia support (MEDIA_SUPPORT [=y])
        -> Media USB Adapters (MEDIA_USB_SUPPORT [=y])


It didn't work before because I forgot to mount /boot before installing the new kernel... :oops:
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