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Diffstat (limited to 'Documentation/ABI/stable/sysfs-driver-usb-usbtmc')
| -rw-r--r-- | Documentation/ABI/stable/sysfs-driver-usb-usbtmc | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-driver-usb-usbtmc b/Documentation/ABI/stable/sysfs-driver-usb-usbtmc new file mode 100644 index 000000000..e960cd027 --- /dev/null +++ b/Documentation/ABI/stable/sysfs-driver-usb-usbtmc @@ -0,0 +1,62 @@ +What: /sys/bus/usb/drivers/usbtmc/*/interface_capabilities +What: /sys/bus/usb/drivers/usbtmc/*/device_capabilities +Date: August 2008 +Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +Description: + These files show the various USB TMC capabilities as described + by the device itself. The full description of the bitfields + can be found in the USB TMC documents from the USB-IF entitled + "Universal Serial Bus Test and Measurement Class Specification + (USBTMC) Revision 1.0" section 4.2.1.8. + + The files are read only. + + +What: /sys/bus/usb/drivers/usbtmc/*/usb488_interface_capabilities +What: /sys/bus/usb/drivers/usbtmc/*/usb488_device_capabilities +Date: August 2008 +Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +Description: + These files show the various USB TMC capabilities as described + by the device itself. The full description of the bitfields + can be found in the USB TMC documents from the USB-IF entitled + "Universal Serial Bus Test and Measurement Class, Subclass + USB488 Specification (USBTMC-USB488) Revision 1.0" section + 4.2.2. + + The files are read only. + + +What: /sys/bus/usb/drivers/usbtmc/*/TermChar +Date: August 2008 +Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +Description: + This file is the TermChar value to be sent to the USB TMC + device as described by the document, "Universal Serial Bus Test + and Measurement Class Specification + (USBTMC) Revision 1.0" as published by the USB-IF. + + Note that the TermCharEnabled file determines if this value is + sent to the device or not. + + +What: /sys/bus/usb/drivers/usbtmc/*/TermCharEnabled +Date: August 2008 +Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +Description: + This file determines if the TermChar is to be sent to the + device on every transaction or not. For more details about + this, please see the document, "Universal Serial Bus Test and + Measurement Class Specification (USBTMC) Revision 1.0" as + published by the USB-IF. + + +What: /sys/bus/usb/drivers/usbtmc/*/auto_abort +Date: August 2008 +Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +Description: + This file determines if the transaction of the USB TMC + device is to be automatically aborted if there is any error. + For more details about this, please see the document, + "Universal Serial Bus Test and Measurement Class Specification + (USBTMC) Revision 1.0" as published by the USB-IF. |