usb: typec: Fix fast_role_swap_current show function

The current implementation mistakenly performs a & operation on
the output of sysfs_emit. This patch performs the & operation before
calling sysfs_emit.

Fixes: 662a601 ("usb: typec: Separate USB Power Delivery from USB Type-C")
Cc: stable <[email protected]>
Reported-by: Benson Leung <[email protected]>
Signed-off-by: Pavan Holla <[email protected]>
Reviewed-by: Heikki Krogerus <[email protected]>
Reviewed-by: Benson Leung <[email protected]>
Message-ID: <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Pavan Holla

drivers/usb/typec/pd.c

@@ -95,7 +95,7 @@ peak_current_show(struct device *dev, struct device_attribute *attr, char *buf)
 static ssize_t
 fast_role_swap_current_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
-	return sysfs_emit(buf, "%u\n", to_pdo(dev)->pdo >> PDO_FIXED_FRS_CURR_SHIFT) & 3;
+	return sysfs_emit(buf, "%u\n", (to_pdo(dev)->pdo >> PDO_FIXED_FRS_CURR_SHIFT) & 3);
 }
 static DEVICE_ATTR_RO(fast_role_swap_current);