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pd: Whitelist port after receiving IDENT response

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Making dual-role determination after receiving source caps is not
sufficient, since we may not yet have identified the partner port.

BUG=chrome-os-partner:56966
BRANCH=gru
TEST=Attach 'old' Apple USB-C accessory to kevin, attach OEM charger to
accessory, run 'pd X hard', verify device charges from port.

Change-Id: I7333dd2c723e7245d30cf8a6cb1344e60073c063
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/403118
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
(cherry picked from commit 09691a0e8dd93383fa76b74332d89707bfe16001)
Reviewed-on: https://chromium-review.googlesource.com/415492
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
This commit is contained in:
Shawn Nematbakhsh
2016-10-25 16:19:38 -07:00
committed by chrome-bot
parent efacd6b4eb
commit 2c1626eb45
1 changed files with 6 additions and 0 deletions
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6
common/usb_pd_policy.c
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@@ -689,6 +689,12 @@ int pd_svdm(int port, int cnt, uint32_t *payload, uint32_t **rpayload)
case CMD_DISCOVER_IDENT:
dfp_consume_identity(port, cnt, payload);
rsize = dfp_discover_svids(port, payload);
#ifdef CONFIG_CHARGE_MANAGER
if (pd_charge_from_device(pd_get_identity_vid(port),
pd_get_identity_pid(port)))
charge_manager_update_dualrole(port,
CAP_DEDICATED);
#endif
break;
case CMD_DISCOVER_SVID:
dfp_consume_svids(port, payload);