GM camera ACC: raise brake pressed threshold (#26081)

* Different brake pressed thresholds

* comment

* bump to master
old-commit-hash: 91a7bb4ea3

panda

@@ -1 +1 @@
-Subproject commit c39528d299aae6a1ebbdbccddeae55bc76a534e3
+Subproject commit 5962bcd08ae4e7c5193535efb45cc9c39da52f54

selfdrive/car/gm/carstate.py

@@ -51,7 +51,12 @@ class CarState(CarStateBase):
     # To avoid a cruise fault we need to match the ECM's brake pressed signal and threshold
     # https://static.nhtsa.gov/odi/tsbs/2017/MC-10137629-9999.pdf
     ret.brake = pt_cp.vl["ECMAcceleratorPos"]["BrakePedalPos"]
-    ret.brakePressed = ret.brake >= 8
+    if self.CP.networkLocation != NetworkLocation.fwdCamera:
+      ret.brakePressed = ret.brake >= 8
+    else:
+      # While car is braking, cancel button causes ECM to enter a soft disable state with a fault status.
+      # Match ECM threshold at a standstill to allow the camera to cancel earlier
+      ret.brakePressed = ret.brake >= 20
 
     # Regen braking is braking
     if self.CP.transmissionType == TransmissionType.direct: