diff options
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-typec | 7 | ||||
| -rw-r--r-- | drivers/usb/typec/class.c | 3 |
2 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-typec b/Documentation/ABI/testing/sysfs-class-typec index 8eab41e79ce6..b61480535fdc 100644 --- a/Documentation/ABI/testing/sysfs-class-typec +++ b/Documentation/ABI/testing/sysfs-class-typec @@ -105,7 +105,12 @@ Date: April 2017 Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com> Description: Revision number of the supported USB Power Delivery - specification, or 0 when USB Power Delivery is not supported. + specification, or 0.0 when USB Power Delivery is not supported. + + Example values: + - "2.0": USB Power Delivery Release 2.0 + - "3.0": USB Power Delivery Release 3.0 + - "3.1": USB Power Delivery Release 3.1 What: /sys/class/typec/<port>/usb_typec_revision Date: April 2017 diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 8f77669f9cf4..4f60ee7ba76a 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -1500,8 +1500,9 @@ static ssize_t usb_power_delivery_revision_show(struct device *dev, char *buf) { struct typec_port *p = to_typec_port(dev); + u16 rev = p->cap->pd_revision; - return sprintf(buf, "%d\n", (p->cap->pd_revision >> 8) & 0xff); + return sprintf(buf, "%d.%d\n", (rev >> 8) & 0xff, (rev >> 4) & 0xf); } static DEVICE_ATTR_RO(usb_power_delivery_revision); |