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| author | Jett Rink <jettrink@chromium.org> | 2018-01-25 10:45:22 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-01-31 11:14:01 -0800 |
| commit | 760caca89bfe3d91fe7d66b8d435a105664fd0d3 (patch) | |
| tree | f965fbf49a3bfe6294f2c341a01a90ddaed06f75 /common/usbc_ppc.c | |
| parent | b245e71e82d4da9b1be27c6de45da1d2bd460751 (diff) | |
| download | chrome-ec-760caca89bfe3d91fe7d66b8d435a105664fd0d3.tar.gz | |
usb pd: Adding PPC vbus discharge path
Boards with a PPC will use the PPC to discharge the VBUS line instead
of the TCPC or GPIO discharge path.
BRANCH=none
BUG=b:72179253
TEST=Fall time after device removal on grunt within spec now
Change-Id: I822923a1cedb32a20efc3610cce4437ade3387f0
Signed-off-by: Jett Rink <jettrink@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/886563
Reviewed-by: Edward Hill <ecgh@chromium.org>
Diffstat (limited to 'common/usbc_ppc.c')
| -rw-r--r-- | common/usbc_ppc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/common/usbc_ppc.c b/common/usbc_ppc.c index 3c6d437152..34cfbabf50 100644 --- a/common/usbc_ppc.c +++ b/common/usbc_ppc.c @@ -50,6 +50,14 @@ int ppc_set_vbus_source_current_limit(int port, enum tcpc_rp_value rp) return ppc_chips[port].drv->set_vbus_source_current_limit(port, rp); } +int ppc_discharge_vbus(int port, int enable) +{ + if ((port < 0) || (port >= ppc_cnt)) + return EC_ERROR_INVAL; + + return ppc_chips[port].drv->discharge_vbus(port, enable); +} + int ppc_vbus_sink_enable(int port, int enable) { if ((port < 0) || (port >= ppc_cnt)) |