Enabling continuous LE Active scan in 5.32?

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Hi all,

I am trying to enable continuous LE active scan in Bluez 5.32.
Platform is Raspberry Pi with kernel 3.18.7+. I find no param in
adapter-api.txt, to set LE scan interval/window. btmgmt offers some
respite but setting scan window and interval to same value(via
scan-params) it still it takes around ~2 sec to trigger next scan.
Thoughr BT specs says that if scan interval and scan window are same,
it should trigger continuous scan.

Checking adapter.c, adapter->no_scan_restart_delay parameter looks
promising if set to true. Still same result - next scan delay ~ 2 sec.
Not sure if such delay is intentional or platform performance related
My question is :- Is there a neat way to trigger continuous active LE
scan even though it may sound power-wise inefficient. Tried to grep
archives but couldn't find much help.

Any cues would be helpful.

Thanks,
-Arun
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