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Input: omap4-keypad - wake-up on events & long presses 

Program keyboard controller to generate a wake-up request on events and
on long key presses. It will 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>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Mike Turquette 2010-09-29 23:38:01 -07:00 committed by Dmitry Torokhov
parent f8038c4251
commit 9a34bc6116
1 changed files with 4 additions and 0 deletions
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4
drivers/input/keyboard/omap4-keypad.c
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@ -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 */