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usb: typec: tcpm: Ignore Vsafe0v in PR_SWAP_SNK_SRC_SOURCE_ON state

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In PR_SWAP_SNK_SRC_SOURCE_ON state, Vsafe0v is expected as well so do
nothing here to avoid state machine going into SNK_UNATTACHED.

Fixes: 28b43d3d74 ("usb: typec: tcpm: Introduce vsafe0v for vbus")
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Badhri Jagan Sridharan <badhri@google.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210615173206.1646477-1-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kyle Tso 2021-06-16 01:32:06 +08:00 committed by Greg Kroah-Hartman
parent 4288debeaa
commit fed09e0bf9
1 changed files with 1 additions and 0 deletions
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1
drivers/usb/typec/tcpm/tcpm.c
View file

@ -5212,6 +5212,7 @@ static void _tcpm_pd_vbus_vsafe0v(struct tcpm_port *port)
}
break;
case PR_SWAP_SNK_SRC_SINK_OFF:
case PR_SWAP_SNK_SRC_SOURCE_ON:
/* Do nothing, vsafe0v is expected during transition */
break;
default: