diff options
| author | Kyle Tso <kyletso@google.com> | 2021-06-16 01:32:06 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-17 15:38:55 +0200 |
| commit | fed09e0bf9f0622a54f3963f959d914fa817f8a6 (patch) | |
| tree | 4bd446a300c9e5baad24463585ffe1d411cd90d5 | |
| parent | 4288debeaa4e21d8dd5132739ffba2d343892bbf (diff) | |
usb: typec: tcpm: Ignore Vsafe0v in PR_SWAP_SNK_SRC_SOURCE_ON state
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: 28b43d3d746b ("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>
| -rw-r--r-- | drivers/usb/typec/tcpm/tcpm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 197556038ba4..e11e9227107d 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -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: |