[RFC PATCH 2/2] USB: input: yealink.c: add mapping for "RING" and "MUTE" keys

[Daniele Forsi <dforsi@gmail.com>]

According to the user manual of the "VOIP-3 SKY" USB phone, the RING
key is used to select different ring tones and the MUTE key is used
to mute the microphone.

Signed-off-by: Daniele Forsi <dforsi@gmail.com>
---
 drivers/input/misc/yealink.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/input/misc/yealink.c b/drivers/input/misc/yealink.c
index e9403da..0b86c49 100644
--- a/drivers/input/misc/yealink.c
+++ b/drivers/input/misc/yealink.c
@@ -189,7 +189,9 @@ static int setChar(struct yealink_dev *yld, int el, int chr)
  * USB-P1K button layout:
  *
  *             up
+ *            ring
  *       IN           OUT
+ *            mute
  *            down
  *
  *     pickup   C    hangup
@@ -207,7 +209,9 @@ static int map_p1k_to_key(int scancode)
 	switch(scancode) {		/* phone key:	*/
 	case 0x23: return KEY_LEFT;	/*   IN		*/
 	case 0x33: return KEY_UP;	/*   up		*/
+	case 0x44: return KEY_SOUND;	/*   ring	*/
 	case 0x04: return KEY_RIGHT;	/*   OUT	*/
+	case 0x41: return KEY_MICMUTE;	/*   mute	*/
 	case 0x24: return KEY_DOWN;	/*   down	*/
 	case 0x03: return KEY_ENTER;	/*   pickup	*/
 	case 0x14: return KEY_BACKSPACE; /*  C		*/
-- 
2.1.3