SRU Justification
=================

[Impact]
Less beacons were found in BLE scanning with RS9113 chipset.


[Fix]
BLE Scanning is happening for less scan window, which is causing this issue. 
Scan window value is adjusted (increase)dynamically in firmware when there is 
no activity on WiFi/BT. Along with this fix i firmware, we have added deep 
sleep feature in driver. Driver will put chip in sleep state when there is not 
activity.

[Test Case]
Conducted tests to confirm BLE scanning results are improved with the driver 
and firmware changes. Also, ran suspend resume s3, s4 and s5 stress tests to 
ensure it passed with newly added sleep changes

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https://bugs.launchpad.net/bugs/1753439

Title:
  Redpine: BLE scanning for nearby beacons per second is too low and
  result high loss rate.

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