jobbe ha scritto:
Dai questo comando e copia e incola qui il risultato, così vediamo di risolvere:
udevinfo --query=all --name=/dev/video0 --attribute-walk
Ecco quello che ottengo
Grazie per l'aiuto
Udevinfo starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.
looking at device '/devices/pci0000:00/0000:00:1a.7/usb6/6-2/6-2:1.0/video4linux/video0':
KERNEL=="video0"
SUBSYSTEM=="video4linux"
DRIVER==""
ATTR{dev}=="81:0"
ATTR{name}=="USB 2.0 Camera"
looking at parent device '/devices/pci0000:00/0000:00:1a.7/usb6/6-2/6-2:1.0/video4linux':
KERNELS=="video4linux"
SUBSYSTEMS==""
DRIVERS==""
looking at parent device '/devices/pci0000:00/0000:00:1a.7/usb6/6-2/6-2:1.0':
KERNELS=="6-2:1.0"
SUBSYSTEMS=="usb"
DRIVERS=="uvcvideo"
ATTRS{bInterfaceNumber}=="00"
ATTRS{bAlternateSetting}==" 0"
ATTRS{bNumEndpoints}=="01"
ATTRS{bInterfaceClass}=="0e"
ATTRS{bInterfaceSubClass}=="01"
ATTRS{bInterfaceProtocol}=="00"
ATTRS{modalias}=="usb:v174Fp5A35d0411dcEFdsc02dp01ic0Eisc01ip00"
ATTRS{interface}=="USB 2.0 Camera"
ATTRS{iad_bFirstInterface}=="00"
ATTRS{iad_bInterfaceCount}=="02"
ATTRS{iad_bFunctionClass}=="0e"
ATTRS{iad_bFunctionSubClass}=="03"
ATTRS{iad_bFunctionProtocol}=="00"
looking at parent device '/devices/pci0000:00/0000:00:1a.7/usb6/6-2':
KERNELS=="6-2"
SUBSYSTEMS=="usb"
DRIVERS=="usb"
ATTRS{dev}=="189:641"
ATTRS{configuration}==""
ATTRS{bNumInterfaces}==" 2"
ATTRS{bConfigurationValue}=="1"
ATTRS{bmAttributes}=="80"
ATTRS{bMaxPower}=="500mA"
ATTRS{urbnum}=="21"
ATTRS{idVendor}=="174f"
ATTRS{idProduct}=="5a35"
ATTRS{bcdDevice}=="0411"
ATTRS{bDeviceClass}=="ef"
ATTRS{bDeviceSubClass}=="02"
ATTRS{bDeviceProtocol}=="01"
ATTRS{bNumConfigurations}=="1"
ATTRS{bMaxPacketSize0}=="64"
ATTRS{speed}=="480"
ATTRS{busnum}=="6"
ATTRS{devnum}=="2"
ATTRS{version}==" 2.00"
ATTRS{maxchild}=="0"
ATTRS{quirks}=="0x0"
ATTRS{authorized}=="1"
ATTRS{manufacturer}=="Sonix Technology Co., Ltd."
ATTRS{product}=="USB 2.0 Camera"
ATTRS{serial}=="SN0001"
looking at parent device '/devices/pci0000:00/0000:00:1a.7/usb6':
KERNELS=="usb6"
SUBSYSTEMS=="usb"
DRIVERS=="usb"
ATTRS{authorized_default}=="1"
ATTRS{dev}=="189:640"
ATTRS{configuration}==""
ATTRS{bNumInterfaces}==" 1"
ATTRS{bConfigurationValue}=="1"
ATTRS{bmAttributes}=="e0"
ATTRS{bMaxPower}==" 0mA"
ATTRS{urbnum}=="32"
ATTRS{idVendor}=="0000"
ATTRS{idProduct}=="0000"
ATTRS{bcdDevice}=="0206"
ATTRS{bDeviceClass}=="09"
ATTRS{bDeviceSubClass}=="00"
ATTRS{bDeviceProtocol}=="01"
ATTRS{bNumConfigurations}=="1"
ATTRS{bMaxPacketSize0}=="64"
ATTRS{speed}=="480"
ATTRS{busnum}=="6"
ATTRS{devnum}=="1"
ATTRS{version}==" 2.00"
ATTRS{maxchild}=="4"
ATTRS{quirks}=="0x0"
ATTRS{authorized}=="1"
ATTRS{manufacturer}=="Linux 2.6.24-18-generic ehci_hcd"
ATTRS{product}=="EHCI Host Controller"
ATTRS{serial}=="0000:00:1a.7"
looking at parent device '/devices/pci0000:00/0000:00:1a.7':
KERNELS=="0000:00:1a.7"
SUBSYSTEMS=="pci"
DRIVERS=="ehci_hcd"
ATTRS{vendor}=="0x8086"
ATTRS{device}=="0x283a"
ATTRS{subsystem_vendor}=="0x1043"
ATTRS{subsystem_device}=="0x14e7"
ATTRS{class}=="0x0c0320"
ATTRS{irq}=="18"
ATTRS{local_cpus}=="ff"
ATTRS{modalias}=="pci:v00008086d0000283Asv00001043sd000014E7bc0Csc03i20"
ATTRS{broken_parity_status}=="0"
ATTRS{msi_bus}==""
looking at parent device '/devices/pci0000:00':
KERNELS=="pci0000:00"
SUBSYSTEMS==""
DRIVERS==""