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This reverts commit f322e1b96a5a7400d283b2a6397e020e6200522c.
Now that we notify kernel when charge_full changes, this workaround
should be abandoned.
BUG=chrome-os-partner:11248
TEST=Check power LED still works.
Change-Id: I87c269dcf4cb6b9f0da2472f139e39cced28232b
Reviewed-on: https://gerrit.chromium.org/gerrit/29147
Reviewed-by: Rong Chang <rongchang@chromium.org>
Commit-Ready: Vic Yang <victoryang@chromium.org>
Tested-by: Vic Yang <victoryang@chromium.org>
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BUG=chrome-os-partner:8039
TEST=manual
Boot the system, look at the lightbar. It should pulse colors slowly on
battery, faster on AC.
Change-Id: I0184973d11eda51db87d652aa2c92995f5a25588
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27810
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When battery is nearly full, battery sometimes demands for very low
current and we are actually trickle charging. This causes the last part
of charging process very long, but the actual charged amount is only few
mAh. Let's set power LED to green in this case so that user doesn't feel
the device is charging forever.
BUG=chrome-os-partner:11248
TEST=Charge the battery to nearly full. Disconnect and connect AC power.
Check the power LED is green when we are trickle charging.
Change-Id: Ide108778232e9f1d3abe6b61af7518af25040d10
Reviewed-on: https://gerrit.chromium.org/gerrit/27264
Commit-Ready: Vic Yang <victoryang@chromium.org>
Tested-by: Vic Yang <victoryang@chromium.org>
Reviewed-by: Vic Yang <victoryang@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
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Adding trickle charging mode to precharge batteries with
voltage lower than minimal design value. This CL adds
control to charger voltage to track battery input current
change.
To prevent battery from deeply discharging, this CL preserves
3% of the design capacity.
Minor bug fixes include error state check and charger control
logic.
Signed-off-by: Rong Chang <rongchang@chromium.org>
BUG=chrome-os-partner:8660,8661
TEST=manual
Plug AC power, the power adapter led should be
'yellow'. On the EC serial console, type 'battery'
and 'charger' commands.
Battery input current should staid close to its
desired current.
A deeply discharged battery (5.5V) should be revived to
a healthy state after 30 minutes ~ 4 hours.
Change-Id: Ibaa2396c6b751639d98db32f5919b1e8ec700e40
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