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- Topics: Active | Unanswered
#1 2016-10-24 15:47:51
- Aximand
- Member
- From: Russia
- Registered: 2009-11-15
- Posts: 21
Fingerprint light is always on; Thinkpad x220
Before a few weeks ago, I didn't even know that my fingerprint reader has a built-in light, and now it is always on---so annoying. So far, a piece of duct tape does its job, but I'm not sure how long it's going to last for D:
I never use the fingerprint reader, how do I turn it off completely?
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#2 2016-10-27 14:50:01
- anserk
- Member
- Registered: 2015-07-29
- Posts: 6
Re: Fingerprint light is always on; Thinkpad x220
You can probably blacklist the driver for it.
The driver should be upekts, I think you can find out with
lsusb -v Offline
#3 2016-10-27 18:29:58
- paulkerry
- Member
- From: Sheffield, UK
- Registered: 2014-10-02
- Posts: 611
Re: Fingerprint light is always on; Thinkpad x220
Can't you disable it in BIOS?
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#4 2016-10-27 18:51:53
- Aximand
- Member
- From: Russia
- Registered: 2009-11-15
- Posts: 21
Re: Fingerprint light is always on; Thinkpad x220
anserk wrote:
You can probably blacklist the driver for it.
The driver should be upekts, I think you can find out withlsusb -v
Fingerprint reader does not seem to be present. The upekts module is no loaded.
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/3p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/3p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
|__ Port 6: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 6: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480Mcan't get debug descriptor: Resource temporarily unavailable
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Device Descriptor:
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bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0
bDeviceProtocol 1 Single TT
bMaxPacketSize0 64
idVendor 0x8087 Intel Corp.
idProduct 0x0024 Integrated Rate Matching Hub
bcdDevice 0.00
iManufacturer 0
iProduct 0
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
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bDescriptorType 2
wTotalLength 25
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iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
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bInterfaceSubClass 0
bInterfaceProtocol 0 Full speed (or root) hub
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Endpoint Descriptor:
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bEndpointAddress 0x81 EP 1 IN
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Transfer Type Interrupt
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Per-port power switching
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TT think time 8 FS bits
bPwrOn2PwrGood 50 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x00 0x00
PortPwrCtrlMask 0xff 0xff
Hub Port Status:
Port 1: 0000.0100 power
Port 2: 0000.0100 power
Port 3: 0000.0100 power
Port 4: 0000.0100 power
Port 5: 0000.0100 power
Port 6: 0000.0100 power
Port 7: 0000.0100 power
Port 8: 0000.0100 power
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Device Status: 0x0001
Self Powered
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
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bDescriptorType 1
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iProduct 2 EHCI Host Controller
iSerial 1 0000:00:1d.0
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wMaxPacketSize 0x0004 1x can't get device qualifier: Resource temporarily unavailable
can't get debug descriptor: Resource temporarily unavailable
4 bytes
bInterval 12
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wHubCharacteristic 0x000a
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Per-port overcurrent protection
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bHubContrCurrent 0 milli Ampere
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Hub Port Status:
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Port 2: 0000.0100 power
Port 3: 0000.0100 power
Device Status: 0x0001
Self Powered
Bus 001 Device 003: ID 04f2:b217 Chicony Electronics Co., Ltd Lenovo Integrated Camera (0.3MP)
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bMaxPacketSize0 64
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idProduct 0xb217 Lenovo Integrated Camera (0.3MP)
bcdDevice 8.54
iManufacturer 1 Chicony Electronics Co., Ltd.
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Configuration Descriptor:
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Interface Association:
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Interface Descriptor:
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bDescriptorSubtype 1 (HEADER)
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dwClockFrequency 30.000000MHz
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baInterfaceNr( 0) 1
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Auto-Exposure Priority
Exposure Time (Absolute)
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PanTilt (Absolute)
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Warning: Descriptor too short
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Hue
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White Balance Temperature
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NTSC - 525/60
SECAM - 625/50
NTSC - 625/50
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VideoStreaming Interface Descriptor:
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Still image supported
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VideoStreaming Interface Descriptor:
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Still image supported
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VideoStreaming Interface Descriptor:
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Still image supported
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VideoStreaming Interface Descriptor:
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VideoStreaming Interface Descriptor:
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VideoStreaming Interface Descriptor:
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can't get debug descriptor: Resource temporarily unavailable
r device speed):
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(Bus Powered)
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Device Descriptor:
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bcdUSB 2.00
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idProduct 0x0024 Integrated Rate Matching Hub
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bPwrOn2PwrGood 50 * 2 milli seconds
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Port 2: 0000.0100 power
Port 3: 0000.0100 power
Port 4: 0000.0100 power
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Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
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bDeviceSubClass 0
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idProduct 0x0002 2.0 root hub
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can't get debug descriptor: Resource temporarily unavailable
7
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Per-port overcurrent protection
bPwrOn2PwrGood 10 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x02
PortPwrCtrlMask 0xff
Hub Port Status:
Port 1: 0000.0503 highspeed power enable connect
Port 2: 0000.0100 power
Port 3: 0000.0100 power
Device Status: 0x0001
Self PoweredOffline
#5 2016-10-27 18:52:42
- Aximand
- Member
- From: Russia
- Registered: 2009-11-15
- Posts: 21
Re: Fingerprint light is always on; Thinkpad x220
paulkerry wrote:
Can't you disable it in BIOS?
As far as I can see, it is undisablable.
Offline
#6 2016-11-12 22:15:33
- Aximand
- Member
- From: Russia
- Registered: 2009-11-15
- Posts: 21
Re: Fingerprint light is always on; Thinkpad x220
Problem solved by taking the laptop apart and pulling the plug from the fingerprint reader
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