Commit 301a633c authored by Kyle Tso's avatar Kyle Tso Committed by Greg Kroah-Hartman
Browse files

USB: typec: tcpm: Fix PR_SWAP error handling 



PD rev3.0 8.3.3.16.3.6 PE_PRS_SRC_SNK_Wait_Source_on State
The Policy Enging Shall transition to the ErrorRecovery state when the
PSSourceOnTimer times out ...

Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Badhri Jagan Sridharan <badhri@google.com>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Acked-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: default avatarKyle Tso <kyletso@google.com>
Signed-off-by: default avatarWill McVicker <willmcvicker@google.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20201210160521.3417426-4-gregkh@linuxfoundation.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 60e998d1

drivers/usb/typec/tcpm/tcpm.c

+1 −1
Original line number Diff line number Diff line
@@ -3738,7 +3738,7 @@ static void run_state_machine(struct tcpm_port *port) 
			tcpm_set_state(port, ERROR_RECOVERY, 0);

			break;

		}

		tcpm_set_state_cond(port, SNK_UNATTACHED, PD_T_PS_SOURCE_ON);

		tcpm_set_state(port, ERROR_RECOVERY, PD_T_PS_SOURCE_ON);

		break;

	case PR_SWAP_SRC_SNK_SINK_ON:

		/* Set the vbus disconnect threshold for implicit contract */