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STATUS_GRAPHICS_I2C_ERROR_RECEIVING_DATA
STATUS_GRAPHICS_I2C_ERROR_RECEIVING_DATA reports the reply side of a monitor-control I2C transaction. The request may have been sent, but Windows could not receive the data needed to complete the operation. It is therefore distinct from a write-stage transport failure and from a reply that was received but later rejected as invalid.
The distinction matters for intermittent monitor-control failures. A status that identifies receive failure should be logged with the requested operation and physical output before treating the result as an unsupported VCP code.
Separate these cases
STATUS_GRAPHICS_I2C_ERROR_TRANSMITTING_DATAfails on the outgoing transaction.STATUS_GRAPHICS_DDCCI_INVALID_DATAindicates that data arrived but was not acceptable.STATUS_GRAPHICS_DDCCI_INVALID_MESSAGE_CHECKSUMidentifies a computed checksum mismatch in received data.
References
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