diff options
| author | Duncan Laurie <dlaurie@google.com> | 2018-04-30 09:37:00 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-05-04 03:02:32 -0700 |
| commit | 756141d6b92b0cffe7fca4226f096151af149bee (patch) | |
| tree | 2729bc778bc372c9181aea2b35d50b9286192de8 /board/eve | |
| parent | 05e33b28e72a6eb40393eeb680920eb96a05c752 (diff) | |
| download | chrome-ec-756141d6b92b0cffe7fca4226f096151af149bee.tar.gz | |
eve: Limit data role swap to port 0
Only USB port 0 is capable of device mode, so ignore data role
swaps to other ports.
BUG=b:78308749
BRANCH=eve
TEST=manual: ensure OTG pins are not asserted with data role swap
on port 1.
Change-Id: I07a331af11c3ce599a75517a5ba0ff2716987545
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1035424
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Diffstat (limited to 'board/eve')
| -rw-r--r-- | board/eve/usb_pd_policy.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/board/eve/usb_pd_policy.c b/board/eve/usb_pd_policy.c index 8dc3de611d..8c2226b444 100644 --- a/board/eve/usb_pd_policy.c +++ b/board/eve/usb_pd_policy.c @@ -191,6 +191,10 @@ int pd_check_vconn_swap(int port) void pd_execute_data_swap(int port, int data_role) { + /* Only port 0 supports device mode. */ + if (port != 0) + return; + gpio_set_level(GPIO_USB2_OTG_ID, (data_role == PD_ROLE_UFP) ? 1 : 0); gpio_set_level(GPIO_USB2_OTG_VBUSSENSE, |