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Extend overcurrent delay to 1200 ms

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Some chargers recover in about 1100 ms on overcurrent events. Let's
extend this delay to support more chargers.

BUG=chrome-os-partner:20408
TEST=Manual. Check we can reach a steady current with a charger that was
not supported before.
BRANCH=Spring

Original-Change-Id: I7db0f98110dcb225ea5f123400c539e6a1260156
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/60316
Reviewed-by: Todd Broch <tbroch@chromium.org>
(cherry picked from commit 732f5130f1f7523ec18fb04d49ddeb1646389a2c)

Change-Id: I884f8008158bf57c7d18109fb7860432095923ae
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/60624
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
This commit is contained in:
Vic Yang
2013-06-28 11:34:48 +08:00
committed by ChromeBot
parent 840facbb4e
commit 0e835170b0
1 changed files with 1 additions and 1 deletions
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2
common/extpower_usb.c
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@@ -70,7 +70,7 @@ enum ilim_config {
#define PWM_CTRL_MAX_DUTY 96 /* Minimum current for dead battery */
#define PWM_CTRL_BEGIN_OFFSET 90
#define PWM_CTRL_OC_MARGIN 15
#define PWM_CTRL_OC_DETECT_TIME (800 * MSEC)
#define PWM_CTRL_OC_DETECT_TIME (1200 * MSEC)
#define PWM_CTRL_OC_BACK_OFF 3
#define PWM_CTRL_OC_RETRY 2
#define PWM_CTRL_STEP_DOWN 3