Thank you for answering my questions.
I actually wanted to check the value on GPIO3_9 when I bring down the bluetooth of wilink8 using hciconfig hci0 down. This GPIO appears to be owned by some other process (most probably a driver) so I wasn't able to export it.
Is there a place (a TP or a component) where I could probe the status of BT_EN using an oscilloscope. I am using VAR-SOM-AM33 (REV 2.1). VSM-AM33-F29-3