diff options
| author | Shawn Nematbakhsh <shawnn@chromium.org> | 2016-08-31 15:32:40 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-09-13 22:21:31 -0700 |
| commit | 9229c795b0c4c262092c754620bf1b2bf8a9f8d7 (patch) | |
| tree | e7ce284eb81e91b79fd7e922d5d3e2be14320a21 /include/usb_pd.h | |
| parent | a04a2cb9af4c71773cfa0ea1b7aa9528cc1dc62f (diff) | |
| download | chrome-ec-9229c795b0c4c262092c754620bf1b2bf8a9f8d7.tar.gz | |
charger: bd99955: Enable VBUS discharge when appropriate
Use a custom VBUS threshold of 3.9V for enable / disable of our VBUS
discharge circuit.
BUG=chrome-os-partner:55584
BRANCH=None
TEST=Plug Apple charge-thru accessory into kevin, plug zinger into
accessory, verify charging occurs at PD-negotiated current / voltage.
Change-Id: I25f6f68cfe55e8bae2071cda39618b2bfadcb355
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/379475
Commit-Ready: Aseda Aboagye <aaboagye@chromium.org>
Tested-by: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Tested-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Diffstat (limited to 'include/usb_pd.h')
| -rw-r--r-- | include/usb_pd.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/usb_pd.h b/include/usb_pd.h index 28a94efdb3..ef2cb73512 100644 --- a/include/usb_pd.h +++ b/include/usb_pd.h @@ -937,6 +937,14 @@ void pd_transition_voltage(int idx); void pd_power_supply_reset(int port); /** + * Enable or disable VBUS discharge for a given port. + * + * @param port USB-C port number + * @enable 1 if enabling discharge, 0 if disabling + */ +void pd_set_vbus_discharge(int port, int enable); + +/** * Enable the power supply output after the ready delay. * * @param port USB-C port number |