Add sysfs attributes Documentation entries for LJCA device Signed-off-by: Ye Xiang <xiang.ye@xxxxxxxxx> Reviewed-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> --- .../ABI/testing/sysfs-bus-usb-devices-ljca | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-usb-devices-ljca diff --git a/Documentation/ABI/testing/sysfs-bus-usb-devices-ljca b/Documentation/ABI/testing/sysfs-bus-usb-devices-ljca new file mode 100644 index 000000000000..e12fe78ae58b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-usb-devices-ljca @@ -0,0 +1,22 @@ +What: /sys/bus/usb/.../version +Date: July 2023 +KernelVersion: 6.4 +Contact: Ye Xiang <xiang.ye@xxxxxxxxx> +Description: + Provides the current firmware version of LJCA device. + The format is Major.Minor.Patch.Build, where + Major, Minor, Patch, and Build are decimal numbers. + For example: 1.0.0.256 + +What: /sys/bus/usb/.../cmd +Date: July 2023 +KernelVersion: 6.4 +Contact: Ye Xiang <xiang.ye@xxxxxxxxx> +Description: + Commands supported by LJCA device. + When read, it will return valid commands. + When write with a command, it will execute the command. + Valid commands are [dfu, debug] + - Writing "dfu" to this file so as to put the device into + DFU mode so the firmware can be updated. + - Writing "debug" to this file to enable debug logging. -- 2.34.1
