Product Info

RTL8822CE RTL8822CU RTL8822CS COB TSSI MP FLOW
©2019 Realtek Semiconductor Corp.
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5.2. Bluetooth MP result eFuse check-in flow
5.2.1. Read Default E-fuse-File to Driver-Fake-Area
Load external eFuse map file to driver fake map :
rtwpriv wlan0 bt_efuse_file /../../bt_efuse.map
Load external mask map file to driver fake map :
rtwpriv wlan0 efuse_bt_mask /xx/xx/xx_bt_mask.txt
5.2.2. Checkout the driver fake map
Read current driver fake map :
rtwpriv wlan0 efuse_get btffake //Front part map
rtwpriv wlan0 efuse_get btbfake //Back part map
We could check the current driver fake map after the map file was loaded or any modification
was applied.
Most of all, please confirm the modified driver fake map cautiously, before updating the
driver fake map to fact eFuse map.
5.2.3. Modify the specific offset of the fake map
rtwpriv wlan0 efuse_set btwfake,Addr,Value(Hex)
In this step, the BT MAC_Addr, thermal value, Tx Gain K result, Tx power flatness K
result should be check-in to the Fake-Area.