[RFC,1/4] rc-core: Add defintions needed for sysfs callback

Commit Message

Antti Seppälä Jan. 20, 2014, 7:39 p.m. UTC

Introduce a list for wake scancode values and add callback for sysfs
reads/writes.

Signed-off-by: Antti Seppälä <[e-mail]>
---
 include/media/rc-core.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Patch

diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index 2f6f1f7..6ee68ac 100644
--- a/include/media/rc-core.h
+++ b/include/media/rc-core.h
@@ -20,6 +20,7 @@ 
 #include <linux/kfifo.h>
 #include <linux/time.h>
 #include <linux/timer.h>
+#include <linux/list.h>
 #include <media/rc-map.h>
 
 extern int rc_core_debug;
@@ -35,6 +36,16 @@  enum rc_driver_type {
 };
 
 /**
+ * struct rc_wakeup_scancode - represents a single IR code sample
+ * @value: scan code value
+ * @list: linked list pointer
+ */
+struct rc_wakeup_scancode {
+	u8			value;
+	struct list_head	list_item;
+};
+
+/**
  * struct rc_dev - represents a remote control device
  * @dev: driver model's view of this device
  * @input_name: name of the input child device
@@ -84,6 +95,7 @@  enum rc_driver_type {
  *	device doesn't interrupt host until it sees IR pulses
  * @s_learning_mode: enable wide band receiver used for learning
  * @s_carrier_report: enable carrier reports
+ * @s_wakeup_scancodes: set/get IR scancode to wake hardware from sleep states
  */
 struct rc_dev {
 	struct device			dev;
@@ -127,6 +139,7 @@  struct rc_dev {
 	void				(*s_idle)(struct rc_dev *dev, bool enable);
 	int				(*s_learning_mode)(struct rc_dev *dev, int enable);
 	int				(*s_carrier_report) (struct rc_dev *dev, int enable);
+	int				(*s_wakeup_scancodes) (struct rc_dev *dev, struct list_head *scancode_list, int write);
 };
 
 #define to_rc_dev(d) container_of(d, struct rc_dev, dev)