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| author | Nicolas Boichat <drinkcat@google.com> | 2016-12-02 12:29:09 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-12-14 06:02:56 -0800 |
| commit | dba4c111137b1819538a314043760bf17092690f (patch) | |
| tree | cf362d2c10382e77045bedf707bff534fec6b8d5 /common | |
| parent | 87e8cd610313fa7fe902c2fd359ade18e6b22ef0 (diff) | |
| download | chrome-ec-dba4c111137b1819538a314043760bf17092690f.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>
Diffstat (limited to 'common')
| -rw-r--r-- | common/usb_pd_protocol.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/common/usb_pd_protocol.c b/common/usb_pd_protocol.c index 1055ed61c7..dd84d80cc8 100644 --- a/common/usb_pd_protocol.c +++ b/common/usb_pd_protocol.c @@ -2950,6 +2950,8 @@ 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; } pd_set_dual_role(PD_DRP_TOGGLE_ON); |