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authorJonathan Corbet <corbet@lwn.net>2019-10-29 04:43:29 -0600
committerJonathan Corbet <corbet@lwn.net>2019-10-29 04:43:29 -0600
commit822bbba0cabb50825a0ce22707dc45eb82d02853 (patch)
treeea61d4ca72cb60b4cae8e95f64eefa7cd2a36603 /drivers/usb/typec/ucsi/displayport.c
parentd41abfd7ae33cd3c1d9189438937d61cb75e690a (diff)
parent7d194c2100ad2a6dded545887d02754948ca5241 (diff)
Merge tag 'v5.4-rc4' into docs-next
I need to pick up the independent changes made to Documentation/core-api/memory-allocation.rst to be able to merge further work without creating a total mess.
Diffstat (limited to 'drivers/usb/typec/ucsi/displayport.c')
-rw-r--r--drivers/usb/typec/ucsi/displayport.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/typec/ucsi/displayport.c b/drivers/usb/typec/ucsi/displayport.c
index 6c103697c582..d99700cb4dca 100644
--- a/drivers/usb/typec/ucsi/displayport.c
+++ b/drivers/usb/typec/ucsi/displayport.c
@@ -75,6 +75,8 @@ static int ucsi_displayport_enter(struct typec_altmode *alt)
if (cur != 0xff) {
mutex_unlock(&dp->con->lock);
+ if (dp->con->port_altmode[cur] == alt)
+ return 0;
return -EBUSY;
}