[PATCH v6 5/8] Input: omap4 - Wake-up on events & long presses

[Abraham Arce <x0066660@ti.com>]

From: Mike Turquette <mturquette@ti.com>

Programs keyboard controller to generate a wake-up request on events and
on long key presses.  Does not generate wake-up requests on timeouts
since driver code does not handle them.

This allows keyboard to wake-up OMAP from suspend.

Signed-off-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Abraham Arce <x0066660@ti.com>
---
 drivers/input/keyboard/omap4-keypad.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index 07e792e..45bd097 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -54,6 +54,8 @@
 #define OMAP4_DEF_IRQENABLE_EVENTEN	(1 << 0)
 #define OMAP4_DEF_IRQENABLE_LONGKEY	(1 << 1)
 #define OMAP4_DEF_IRQENABLE_TIMEOUTEN	(1 << 2)
+#define OMAP4_DEF_WUP_EVENT_ENA		(1 << 0)
+#define OMAP4_DEF_WUP_LONG_KEY_ENA	(1 << 1)
 #define OMAP4_DEF_CTRL_NOSOFTMODE	(1 << 1)
 #define OMAP4_DEF_CTRLPTVVALUE		(1 << 2)
 #define OMAP4_DEF_CTRLPTV		(1 << 1)
@@ -88,6 +90,8 @@ static void __devinit omap4_keypad_config(struct omap4_keypad *keypad_data)
 			keypad_data->base + OMAP4_KBD_IRQSTATUS);
 	__raw_writel(OMAP4_DEF_IRQENABLE_EVENTEN | OMAP4_DEF_IRQENABLE_LONGKEY,
 			keypad_data->base + OMAP4_KBD_IRQENABLE);
+	__raw_writel(OMAP4_DEF_WUP_EVENT_ENA | OMAP4_DEF_WUP_LONG_KEY_ENA,
+			keypad_data->base + OMAP4_KBD_WAKEUPENABLE);
 }
 
 /* Interrupt handler */
-- 
1.6.3.3