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Removed TODO for VDMs

From the USB PD spec, Revision 2.0, S. 6.4.4.1:

* A DFP or UFP which does not support Unstructured VDMs Shall Ignore
  any Unstructured VDMs received.

From S. 6.4.4.2:

* A DFP or UFP which does not support Structured VDMs Shall Ignore any
  Structured VDMs received.

Therefore, as long as we do not support any VDMs, we Shall Ignore them,
which is exactly what we're doing.  We're not doing anything wrong, so I
removed the TODO comment that implied we were doing something wrong.
Clara Hobbs преди 7 години
родител
ревизия
819b7bacc8
променени са 1 файла, в които са добавени 0 реда и са изтрити 2 реда
  1. 0
    2
      src/policy_engine.c

+ 0
- 2
src/policy_engine.c Целия файл

@@ -216,8 +216,6 @@ static enum policy_engine_state pe_sink_ready(void)
216 216
     if (evt & PDB_EVT_PE_MSG_RX) {
217 217
         if (chMBFetch(&pdb_pe_mailbox, (msg_t *) &policy_engine_message, TIME_IMMEDIATE) == MSG_OK) {
218 218
             /* Ignore vendor-defined messages */
219
-            /* TODO: we're supposed to send NAKs in response to all
220
-             * unsupported structured VDMs except Attention. */
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             if (PD_MSGTYPE_GET(policy_engine_message) == PD_MSGTYPE_VENDOR_DEFINED
222 220
                     && PD_NUMOBJ_GET(policy_engine_message) > 0) {
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                 chPoolFree(&pdb_msg_pool, policy_engine_message);

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