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| author | Nicolas Boichat <drinkcat@google.com> | 2016-12-02 12:29:09 +0800 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2016-12-15 06:47:11 +0000 |
| commit | 386159c2ee0bbfd5b0c669798eb7cc685aa56434 (patch) | |
| tree | 45a75e72bbe9ea7ae7f7865458a88aba16b6745e | |
| parent | 4b21744ae76d356816c587c759e316e350e37a29 (diff) | |
| download | chrome-ec-386159c2ee0bbfd5b0c669798eb7cc685aa56434.tar.gz | |
usb_pd_protocol: Force rediscovering identity on boot
This is useful with Apple's HDMI adapter, as the code that sends
the discovery message will also swap vconn as required.
BRANCH=none
BUG=chromium:644663
TEST=On elm, S5. Plug adapter with power+HDMI. Switch on elm,
display works.
Change-Id: I21d47c69e2c7153a5d808dedcb1abe360ce3f5c0
Reviewed-on: https://chromium-review.googlesource.com/415698
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
(cherry picked from commit dba4c111137b1819538a314043760bf17092690f)
Signed-off-by: Nicolas Boichat <drinkcat@google.com>
[drinkcat: Context conflict in usb_pd_protocol.c:dual_role_on]
Reviewed-on: https://chromium-review.googlesource.com/420426
Commit-Queue: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Rong Chang <rongchang@chromium.org>
| -rw-r--r-- | common/usb_pd_protocol.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/common/usb_pd_protocol.c b/common/usb_pd_protocol.c index f8afc56487..c1e2b716c5 100644 --- a/common/usb_pd_protocol.c +++ b/common/usb_pd_protocol.c @@ -2639,6 +2639,9 @@ static void dual_role_on(void) #endif pd[i].flags |= PD_FLAGS_CHECK_PR_ROLE | PD_FLAGS_CHECK_DR_ROLE; + + pd[i].flags |= PD_FLAGS_CHECK_IDENTITY; + /* kick the task to ensure we start toggling immediatly */ task_wake(PD_PORT_TO_TASK_ID(i)); } |