From 0e835170b0906ab7225262d7dc94c5e014de6bd4 Mon Sep 17 00:00:00 2001 From: Vic Yang Date: Fri, 28 Jun 2013 11:34:48 +0800 Subject: [PATCH] Extend overcurrent delay to 1200 ms 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 Reviewed-on: https://gerrit.chromium.org/gerrit/60316 Reviewed-by: Todd Broch (cherry picked from commit 732f5130f1f7523ec18fb04d49ddeb1646389a2c) Change-Id: I884f8008158bf57c7d18109fb7860432095923ae Signed-off-by: Vic Yang Reviewed-on: https://gerrit.chromium.org/gerrit/60624 Reviewed-by: Randall Spangler Reviewed-by: Vincent Palatin --- common/extpower_usb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/common/extpower_usb.c b/common/extpower_usb.c index 927f6374c8..9389e68cbf 100644 --- a/common/extpower_usb.c +++ b/common/extpower_usb.c @@ -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