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| author | Alec Berg <alecaberg@chromium.org> | 2015-01-13 10:27:58 -0800 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-01-14 03:15:29 +0000 |
| commit | a989f13843a3e6301262d9c7ed8d3c36141fb94d (patch) | |
| tree | aac6c0cb822e81834257e4e73c06756c8e432d36 /board/zinger | |
| parent | b34152199d341175877eba293af5bc230f70b226 (diff) | |
| download | chrome-ec-a989f13843a3e6301262d9c7ed8d3c36141fb94d.tar.gz | |
zinger: increase discharge timeout and fix fault condition
Increase discharge timeout delay to 275ms, which is the new
tSrcSettle time. Also, fix fault condition so that we reset
immediately upon receiving a fault.
BUG=chrome-os-partner:35330
BRANCH=samus
TEST=load on zinger and test with firefly many 20->5V transitions
without a discharge error
Change-Id: I13bc5d77889a37390603c6922c84b264c77d79ac
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/240399
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'board/zinger')
| -rw-r--r-- | board/zinger/usb_pd_policy.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/board/zinger/usb_pd_policy.c b/board/zinger/usb_pd_policy.c index 2e0c8bf4e5..160aed97dc 100644 --- a/board/zinger/usb_pd_policy.c +++ b/board/zinger/usb_pd_policy.c @@ -112,7 +112,7 @@ static timestamp_t fault_deadline; #define OVP_REC_MV(mv) VBUS_MV((mv) * 11 / 10) /* Maximum discharging delay */ -#define DISCHARGE_TIMEOUT (90*MSEC) +#define DISCHARGE_TIMEOUT (275*MSEC) /* Voltage overshoot below the OVP threshold for discharging to avoid OVP */ #define DISCHARGE_OVERSHOOT_MV VBUS_MV(200) @@ -407,6 +407,7 @@ int pd_board_checks(void) fault = FAULT_DISCHARGE; /* reset it after 1 second */ fault_deadline.val = get_time().val + OCP_TIMEOUT; + return EC_ERROR_INVAL; } /* everything is good *and* the error condition has expired */ |