[root@localhost atom]# /sbin/lsusb
Bus 001 Device 001: ID 0000:0000
Bus 002 Device 010: ID 046d:08ac Logitech, Inc.
Bus 002 Device 003: ID 0e0f:0002
Bus 002 Device 001: ID 0000:0000
可见已被识别。加上verbose参数寻找更详细信息
[root@localhost atom]# /sbin/lsusb -v | grep -C4 Logitech
Port 4: 0000.0100 power
Port 5: 0000.0100 power
Port 6: 0000.0100 power
Bus 002 Device 010: ID 046d:08ac Logitech, Inc.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 255 Vendor Specific Class
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x046d Logitech, Inc.
idProduct 0x08ac
bcdDevice 1.00
iManufacturer 0
iProduct 0
这是一个法国人维护的webcam driver for linux站点，是近年来势头最猛的。这里列出了支持的摄像头驱动，似乎我们的046d:08ac不在上面。但是开源站点有一个特点，主页说明和源码包里头的INSTALL README经常不统一。下载gspcav1-20071224.tar.gz，解压，打开里面的READ_AND_INSTALL，搜索“08ac”,
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