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Update policy_engine.cpp

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This commit is contained in:
Ben V. Brown
2021-04-05 11:57:58 +10:00
parent fac2dfd712
commit f7b7915be4
1 changed files with 13 additions and 1 deletions
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14
source/Core/Drivers/FUSB302/policy_engine.cpp
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@@ -333,7 +333,7 @@ PolicyEngine::policy_engine_state PolicyEngine::pe_sink_ready() {
eventmask_t evt; eventmask_t evt;
/* Wait for an event */ /* Wait for an event */
evt = waitForEvent(PDB_EVT_PE_MSG_RX | PDB_EVT_PE_RESET | PDB_EVT_PE_I_OVRTEMP | PDB_EVT_PE_PPS_REQUEST); evt = waitForEvent(PDB_EVT_PE_MSG_RX | PDB_EVT_PE_RESET | PDB_EVT_PE_I_OVRTEMP | PDB_EVT_PE_GET_SOURCE_CAP | PDB_EVT_PE_NEW_POWER | PDB_EVT_PE_PPS_REQUEST);
/* If we got reset signaling, transition to default */ /* If we got reset signaling, transition to default */
if (evt & PDB_EVT_PE_RESET) { if (evt & PDB_EVT_PE_RESET) {
@@ -345,6 +345,18 @@ PolicyEngine::policy_engine_state PolicyEngine::pe_sink_ready() {
return PESinkHardReset; return PESinkHardReset;
} }
/* If the DPM wants us to, send a Get_Source_Cap message */
if (evt & PDB_EVT_PE_GET_SOURCE_CAP) {
return PESinkGetSourceCap;
}
/* If the DPM wants new power, let it figure out what power it wants
* exactly. This isn't exactly the transition from the spec (that would be
* SelectCap, not EvalCap), but this works better with the particular
* design of this firmware. */
if (evt & PDB_EVT_PE_NEW_POWER) {
/* Tell the protocol layer we're starting an AMS */
return PESinkEvalCap;
}
/* If SinkPPSPeriodicTimer ran out, send a new request */ /* If SinkPPSPeriodicTimer ran out, send a new request */
if (evt & PDB_EVT_PE_PPS_REQUEST) { if (evt & PDB_EVT_PE_PPS_REQUEST) {
return PESinkSelectCap; return PESinkSelectCap;