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+0x22 0x00 0x37 0x03 0x23 0x00 0x04 0x00 0x07 0x03
+ [^^   ^^] (?max?) length of report? in little endian
+            ^ 2 bits reserved + report type
+             ^ report id (defined by touchpad controller?
+                 ^ reserved
+                  ^ opcode (0x2 = GET_REPORT, 0x3 = SET_REPORT)
+                     [^^   ^^   ^^   ^^   ^^] ?i2c-hid stuff?
+                                           ^ ?report id again?
+                                               ^^ report/payload: defined by touchpad controller? 0x03 enabled (0x02 auch, keine ahnung was das unterste bit tut), 0x00 disabled