type-c-service: Don't restart sink ready timeout if contract is same#737
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Pull request overview
Adjusts the Type-C service sink-ready timeout logic to avoid perpetually delaying sink readiness when repeated capabilities/contract notifications arrive with no actual contract change.
Changes:
- Change
check_sink_ready_timeoutto accept the newly negotiated sink contract (Option<PowerCapability>) rather than a boolean “new contract” flag. - Only (re)start the sink-ready timeout when the contract value differs from the previously cached contract.
- Update the wrapper event path to pass through the optional contract when a new consumer contract event is observed.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| type-c-service/src/wrapper/pd.rs | Compares the incoming contract to cached state to decide whether to restart the sink-ready deadline, and adds logging around the decision. |
| type-c-service/src/wrapper/mod.rs | Updates the call site to provide the optional PowerCapability only when a new consumer contract event occurs. |
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In certain cases, we can receive repeated source capabilities messages. This will reset the sink ready timeout and lead to a situation where we are never able to sink from the source. Only restart the timer if we get a different contract.
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In certain cases, we can receive repeated source capabilities messages. This will reset the sink ready timeout and lead to a situation where we are never able to sink from the source. Only restart the timer if we get a different contract.