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usb: typec: tcpm: Fix up PR_SWAP when vsafe0v is signalled
[ Upstream commit d112efb ] During PR_SWAP, When TCPM is in PR_SWAP_SNK_SRC_SINK_OFF, vbus is expected to reach VSAFE0V when source turns off vbus. Do not move to SNK_UNATTACHED state when this happens. Fixes: 28b43d3 ("usb: typec: tcpm: Introduce vsafe0v for vbus") Reviewed-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Badhri Jagan Sridharan <badhri@google.com> Link: https://lore.kernel.org/r/20210517192112.40934-1-badhri@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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