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    Subject[PATCH v5 5/5] Documentation: Add ABI doc for attributes of LJCA device
    Date
    Add sysfs attributes Documentation entries for LJCA device

    Signed-off-by: Ye Xiang <xiang.ye@intel.com>
    Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
    ---
    .../ABI/testing/sysfs-bus-usb-devices-ljca | 36 +++++++++++++++++++
    1 file changed, 36 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..16eecaf870e2
    --- /dev/null
    +++ b/Documentation/ABI/testing/sysfs-bus-usb-devices-ljca
    @@ -0,0 +1,36 @@
    +What: /sys/bus/usb/.../ljca_version
    +Date: July 2023
    +KernelVersion: 6.4
    +Contact: Ye Xiang <xiang.ye@intel.com>
    +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/.../ljca_enable_dfu
    +Date: July 2023
    +KernelVersion: 6.4
    +Contact: Ye Xiang <xiang.ye@intel.com>
    +Description:
    + Writing 1 to this file to force the LJCA device into DFU
    + mode so the firmware can be updated. After firmware
    + updating has been done, the device will back to normal
    + working mode.
    +
    +What: /sys/bus/usb/.../ljca_trace_level
    +Date: July 2023
    +KernelVersion: 6.4
    +Contact: Ye Xiang <xiang.ye@intel.com>
    +Description:
    + Writing N to this file to set firmware log level of LJCA
    + device. The log can be printed to another computer through
    + UART ports in LJCA device. Valid values:
    +
    + == ==========
    + 0 LEVEL_ERROR
    + 1 LEVEL_WARNING
    + 2 LEVEL_INFO
    + 3 LEVEL_DEBUG
    + 4 LEVEL_OFF
    + == ==========
    --
    2.34.1
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