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/zinger | |
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/zinger')
-rw-r--r-- | board/zinger/usb_pd_config.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/board/zinger/usb_pd_config.h b/board/zinger/usb_pd_config.h index 0456a24652..e87580a89e 100644 --- a/board/zinger/usb_pd_config.h +++ b/board/zinger/usb_pd_config.h @@ -118,6 +118,7 @@ static inline int pd_adc_read(int port, int cc) #define PD_DEFAULT_STATE PD_STATE_SRC_DISCONNECTED /* delay necessary for the voltage transition on the power supply */ -#define PD_POWER_SUPPLY_TRANSITION_DELAY 50000 /* us */ +#define PD_POWER_SUPPLY_TURN_ON_DELAY 50000 /* us */ +#define PD_POWER_SUPPLY_TURN_OFF_DELAY 50000 /* us */ #endif /* __USB_PD_CONFIG_H */ |