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-rw-r--r--Documentation/hid/uhid.txt11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/hid/uhid.txt b/Documentation/hid/uhid.txt
index dc35a2b75eee..ee6593608c8e 100644
--- a/Documentation/hid/uhid.txt
+++ b/Documentation/hid/uhid.txt
@@ -93,6 +93,11 @@ the request was handled successfully.
event to the kernel. The payload is of type struct uhid_create_req and
contains information about your device. You can start I/O now.
+ UHID_CREATE2:
+ Same as UHID_CREATE, but the HID report descriptor data (rd_data) is an array
+ inside struct uhid_create2_req, instead of a pointer to a separate array.
+ Enables use from languages that don't support pointers, e.g. Python.
+
UHID_DESTROY:
This destroys the internal HID device. No further I/O will be accepted. There
may still be pending messages that you can receive with read() but no further
@@ -105,6 +110,12 @@ the request was handled successfully.
contains a data-payload. This is the raw data that you read from your device.
The kernel will parse the HID reports and react on it.
+ UHID_INPUT2:
+ Same as UHID_INPUT, but the data array is the last field of uhid_input2_req.
+ Enables userspace to write only the required bytes to kernel (ev.type +
+ ev.u.input2.size + the part of the data array that matters), instead of
+ the entire struct uhid_input2_req.
+
UHID_FEATURE_ANSWER:
If you receive a UHID_FEATURE request you must answer with this request. You
must copy the "id" field from the request into the answer. Set the "err" field