[5.0.0.7x] Battery indicator stuck on fake value after using BT keyboard

Bug Reports
1

REPRODUCIBILITY: 100%
OS VERSION: 5.0.0.71 and .72
HARDWARE: C2 and X10V
UI LANGUAGE: ENG
REGRESSION: no idea

DESCRIPTION:

After connecting a bluetooth keyboard (logitech K380) the battery indicator is stuck on 85%, now 80%, so seems that sfos starts reporting the battery charge of the keyboard instead of its own, happens immediately after connecting to it

PRECONDITIONS:

Have a bt keyboard (maybe specifically K380 is needed, not sure)

STEPS TO REPRODUCE:

  1. Pair your BT keyboard
  2. Or just connect to it once paired
    3)…

EXPECTED RESULT:

Battery indicator unaffected

ACTUAL RESULT:

Battery indicator stuck on 85% (battery buddy reports real charge 53%)

MODIFICATIONS:

None

ADDITIONAL INFORMATION:

Had this happen first on C2, now on Xperia 10V, Battery Buddy reports the charge correctly.
Does seem to be getting stuck at the battery percentage of the keyboard (now stuck at 80%), so the system starts indicating the keyboard’s battery charge instead of its own

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