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ANDROID: usb: typec: tcpm: Add a helper function to port is toggling

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Helper function needed for fixing TD.4.7.4 and TEST.PD.PROT.SRC.10
PR_Swap while having contamiant detection enabled.

tcpm_is_toggling returns true when a DRP port is in one of the toggling
states.

Bug: 169213252
Bug: 174094095
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Change-Id: Ie3837c3067fd91f3e9ea4afdfc1d5c7bf44659de
This commit is contained in:
Badhri Jagan Sridharan
2020-11-23 17:52:27 -08:00
committed by Greg Kroah-Hartman
parent da5e68a82d
commit 912795eaa2
2 changed files with 11 additions and 0 deletions
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include/linux/usb/tcpm.h
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@@ -166,5 +166,6 @@ void tcpm_pd_transmit_complete(struct tcpm_port *port,
void tcpm_pd_hard_reset(struct tcpm_port *port);
void tcpm_tcpc_reset(struct tcpm_port *port);
bool tcpm_is_debouncing(struct tcpm_port *tcpm);
bool tcpm_is_toggling(struct tcpm_port *port);
#endif /* __LINUX_USB_TCPM_H */