From: Steven Syu <stevensyu7@xxxxxxxxx>
Set usb_pd to 0 when power operation mode
leaving power delivery. That can avoid user-sepace
read "yes" form the supports_usb_power_delivery_show() attribute
but power operation mode already change form power delivery to
others mode.
Signed-off-by: Steven Syu <stevensyu7@xxxxxxxxx>
---
changes for v3:
resubmit and add the changes comment of v1->v2
v1->v2:
1.remove sysfs_notify(&partner_dev->kobj, NULL, "supports_usb_power_delivery"); when operation mode is not PD.
2.resubmitted patch by private email for remove footbar in the mail.
drivers/usb/typec/class.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index aeef453..2043e07 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -1718,6 +1718,8 @@ void typec_set_pwr_opmode(struct typec_port *port,
partner->usb_pd = 1;
sysfs_notify(&partner_dev->kobj, NULL,
"supports_usb_power_delivery");
+ } else if (opmode != TYPEC_PWR_MODE_PD && partner->usb_pd) {
+ partner->usb_pd = 0;
}
put_device(partner_dev);
}
--
2.7.4
