diff options
| author | Alec Berg <alecaberg@chromium.org> | 2015-01-02 09:46:55 -0800 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-01-03 00:46:20 +0000 |
| commit | 415a994d580de772a49f43c5f8f732accb81dc49 (patch) | |
| tree | c00567aa1868396559b996315fb2ec8a5ca7d887 | |
| parent | 5e534c13a4d097871d783eb095eb2cd54a4b3a8e (diff) | |
| download | chrome-ec-415a994d580de772a49f43c5f8f732accb81dc49.tar.gz | |
pd: change hard reset power supply off delay
Change delay between sending hard reset and cutting VBUS
from PD_T_SINK_TRANSITION (35ms) to the new timeout
PD_T_PS_HARD_RESET (15ms).
BUG=chrome-os-partner:34985
BRANCH=samus
TEST=make -j buildall
Change-Id: I1dfcdc790ae748aa56350814d8c40d376eba68fc
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/238230
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
| -rw-r--r-- | common/usb_pd_protocol.c | 2 | ||||
| -rw-r--r-- | include/usb_pd.h | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/common/usb_pd_protocol.c b/common/usb_pd_protocol.c index 4c8b72c558..788ce9755a 100644 --- a/common/usb_pd_protocol.c +++ b/common/usb_pd_protocol.c @@ -2279,7 +2279,7 @@ void pd_task(void) */ if (pd[port].power_role == PD_ROLE_SOURCE) { set_state_timeout(port, - get_time().val + PD_T_SINK_TRANSITION, + get_time().val + PD_T_PS_HARD_RESET, PD_STATE_HARD_RESET_EXECUTE); } else { set_state(port, diff --git a/include/usb_pd.h b/include/usb_pd.h index 0a11ffbaea..13e8a982e2 100644 --- a/include/usb_pd.h +++ b/include/usb_pd.h @@ -118,6 +118,7 @@ enum pd_errors { #define PD_T_PS_TRANSITION (500*MSEC) /* between 450ms and 550ms */ #define PD_T_PS_SOURCE_ON (480*MSEC) /* between 390ms and 480ms */ #define PD_T_PS_SOURCE_OFF (920*MSEC) /* between 750ms and 920ms */ +#define PD_T_PS_HARD_RESET (15*MSEC) /* between 10ms and 20ms */ #define PD_T_DRP_HOLD (120*MSEC) /* between 100ms and 150ms */ #define PD_T_DRP_LOCK (120*MSEC) /* between 100ms and 150ms */ /* DRP_SNK + DRP_SRC must be between 50ms and 100ms with 30%-70% duty cycle */ |