Update document for maximum packet size in socket hal
If LE buffer size is zero, buffers returned by Read_Buffer_Size are shared between Classic and LE. Then, hsot stack uses ACL data packet length for MPS.
Bug: 342012881
Flag: EXEMPT, document only
Test: m android.hardware.bluetooth.socket-update-api
Change-Id: I594bec5586aa748e3c6b4d5c964abb28212ad412
diff --git a/bluetooth/socket/aidl/android/hardware/bluetooth/socket/LeCocCapabilities.aidl b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/LeCocCapabilities.aidl
index 003da11..9cd63d6 100644
--- a/bluetooth/socket/aidl/android/hardware/bluetooth/socket/LeCocCapabilities.aidl
+++ b/bluetooth/socket/aidl/android/hardware/bluetooth/socket/LeCocCapabilities.aidl
@@ -37,8 +37,9 @@
/**
* The value used by the Host stack for the local Maximum Packet Size shall be the value
* LE_ACL_Data_Packet_Length returned by the controller in response to the command HCI LE Read
- * Buffer Size. Then, the MPS size must be in range 1 to 255. We do not make the MPS
- * configurable in HAL because using the maximum value does not require a large amount of
- * memory.
+ * Buffer Size if Total_Num_LE_ACL_Data_Packets is not zero. The MPS shall be the value
+ * ACL_Data_Packet_Length returned in response to the command HCI Read Buffer Size if
+ * Total_Num_LE_ACL_Data_Packets is zero. We do not make the MPS configurable in HAL because
+ * using the maximum value does not require a large amount of memory.
*/
}