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twl4030 bci battery issue

Hi,

 

1) We are using twl4030 bci feature for charging
  2) We are using the linux driver that exists in open source
  3) We find that twl4030battery_interrupt which is for battery insertion/removal keeps getting
       called, shouldn't it be called only during insertion or removal only
  4) If i have a battery permanently connected, can this interrupt be disabled?
  5) How is battery protected from overcharging?
  6) This driver enables/disables only AC/USB charging - Is charging done automatically?
    

Battery driver:
http://git.omapzoom.com/?p=kernel/omap.git;a=commit;h=32f86140cddc1ef198fb1f642ee1f56ab409e1bd