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charge_state_v2: Reduce OTG voltage to 12V for better efficiency

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BRANCH=none
BUG=b:73528930
BUG=b:73660652
TEST=Flash lux, check that lux adc VBUS voltage when only no
     charger is connected is around 12V.

Change-Id: Iccc245c96ca3c83674446f96f78f1ce15ffa7de2
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/948322
Reviewed-by: Randall Spangler <rspangler@chromium.org>
This commit is contained in:
Nicolas Boichat
2018-03-05 14:24:09 +08:00
committed by chrome-bot
parent 9896e428f7
commit 3d4db585fa
1 changed files with 1 additions and 1 deletions
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2
common/charge_state_v2.c
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@@ -195,7 +195,7 @@ struct dual_battery_policy {
};
static const struct dual_battery_policy db_policy = {
.otg_voltage = 15000, /* mV */
.otg_voltage = 12000, /* mV */
.max_base_to_lid_current = 1800, /* mA, about 2000mA with margin. */
.lid_to_base_current_charge_base_low = 200, /* mA, so about 3W. */
.margin_otg_current = 13, /* /128 = 10.1% */