diff options
author | Alec Berg <alecaberg@chromium.org> | 2015-01-17 11:49:14 -0800 |
---|---|---|
committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-01-17 23:19:54 +0000 |
commit | ca228445ccc48b70b6959c38e263867256462a48 (patch) | |
tree | aed4f3a8bd101b245cc7d92f58ea5d103a55ab0c /board/host | |
parent | 7fc407a93437929ec925c3041051a41bd2e83df6 (diff) | |
download | chrome-ec-ca228445ccc48b70b6959c38e263867256462a48.tar.gz |
pd: samus: separate macros for power supply on and off delays
Separate macros for defining delays to turn on and off VBUS on the
Raiden ports.
Tune the delays for Samus to provide extra headroom based off of
measured worst case times.
BUG=chrome-os-partner:34525
BRANCH=samus
TEST=load onto samus. connect two samus' and use twinkie to analyze
time between request and PS_RDY on connect and then on a power swap.
Change-Id: I65cec911e34c22a4aad136423362a3a65bc2ab2a
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/241761
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'board/host')
-rw-r--r-- | board/host/usb_pd_config.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/board/host/usb_pd_config.h b/board/host/usb_pd_config.h index 0e6fe65ac4..8ce979062e 100644 --- a/board/host/usb_pd_config.h +++ b/board/host/usb_pd_config.h @@ -36,7 +36,8 @@ int pd_snk_is_vbus_provided(int port); #define PD_DEFAULT_STATE PD_STATE_SNK_DISCONNECTED /* delay necessary for the voltage transition on the power supply */ -#define PD_POWER_SUPPLY_TRANSITION_DELAY 20000 /* us */ +#define PD_POWER_SUPPLY_TURN_ON_DELAY 20000 /* us */ +#define PD_POWER_SUPPLY_TURN_OFF_DELAY 20000 /* us */ /* Define typical operating power and max power */ #define PD_OPERATING_POWER_MW 15000 |