linux-kernel - [RFC PATCH v4 2/8] usb: typec: helper for checking cable plug orientation

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Message-Id: <20180608112941.26332-3-heikki.krogerus@linux.intel.com>
Date:   Fri,  8 Jun 2018 14:29:35 +0300
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Guenter Roeck <linux@...ck-us.net>,
        Hans de Goede <hdegoede@...hat.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jun Li <jun.li@....com>,
        Mats Karrman <mats.dev.list@...il.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [RFC PATCH v4 2/8] usb: typec: helper for checking cable plug orientation

This adds function typec_get_orientation() that can be used
for checking the current cable plug orientation.

Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
---
 drivers/usb/typec/class.c | 11 +++++++++++
 include/linux/usb/typec.h |  1 +
 2 files changed, 12 insertions(+)

diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index 53df10df2f9d..02db9bcbac0c 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -1279,6 +1279,17 @@ int typec_set_orientation(struct typec_port *port,
 }
 EXPORT_SYMBOL_GPL(typec_set_orientation);
 
+/**
+ * typec_get_orientation - Get USB Type-C cable plug orientation
+ * @port: USB Type-C Port
+ *
+ * Get current cable plug orientation for @port.
+ */
+enum typec_orientation typec_get_orientation(struct typec_port *port)
+{
+	return port->orientation;
+}
+
 /**
  * typec_set_mode - Set mode of operation for USB Type-C connector
  * @port: USB Type-C port for the connector
diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h
index 672b39bb0adc..a5f6433e218b 100644
--- a/include/linux/usb/typec.h
+++ b/include/linux/usb/typec.h
@@ -265,6 +265,7 @@ void typec_set_pwr_opmode(struct typec_port *port, enum typec_pwr_opmode mode);
 
 int typec_set_orientation(struct typec_port *port,
 			  enum typec_orientation orientation);
+enum typec_orientation typec_get_orientation(struct typec_port *port);
 int typec_set_mode(struct typec_port *port, int mode);
 
 #endif /* __LINUX_USB_TYPEC_H */
-- 
2.17.1