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authorJett Rink <jettrink@chromium.org>2019-10-17 09:33:31 -0600
committerCommit Bot <commit-bot@chromium.org>2019-10-24 18:01:17 +0000
commite248f208ab8a55667bfe60ce48a188fc1a4620cc (patch)
tree2b3955afb2a53432c09467998e930407a47f02c1 /include/usb_tc_sm.h
parent39f7d5d0e5c3ae72b9837a676fac401dfe51e745 (diff)
downloadchrome-ec-e248f208ab8a55667bfe60ce48a188fc1a4620cc.tar.gz
cleanup: clean up reference to power role vs cable plug
The PD header specifies the power role for SOP packets and cable plug for SOP' and SOP" packets. Refactor code to make this more obvious. BRANCH=none BUG=none TEST=builds and new stack runs on hatch Change-Id: I6cdb1561082d2142214ac65703ff42586b16d70b Signed-off-by: Jett Rink <jettrink@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1865986 Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Diffstat (limited to 'include/usb_tc_sm.h')
-rw-r--r--include/usb_tc_sm.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/usb_tc_sm.h b/include/usb_tc_sm.h
index 2b9912bc7b..f6971b07e3 100644
--- a/include/usb_tc_sm.h
+++ b/include/usb_tc_sm.h
@@ -64,6 +64,15 @@ enum pd_data_role tc_get_data_role(int port);
enum pd_power_role tc_get_power_role(int port);
/**
+ * Get cable plug setting. This should be constant per build. This replaces
+ * the power role bit in PD header for SOP' and SOP" packets.
+ *
+ * @param port USB-C port number
+ * @return PD cable plug setting
+ */
+enum pd_cable_plug tc_get_cable_plug(int port);
+
+/**
* Get current polarity
*
* @param port USB-C port number