[PATCH v2 3/3] Input: omap-keypad: Clear pending interrupts on open

From: Illia Smyrnov
Date: Tue Jul 23 2013 - 12:10:18 EST


Clear pending interrupts when open keypad.

Signed-off-by: Illia Smyrnov <illia.smyrnov@xxxxxx>
---
drivers/input/keyboard/omap4-keypad.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index b876a0d..62abc3e 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -185,13 +185,14 @@ static int omap4_keypad_open(struct input_dev *input)
(OMAP4_VAL_PVT << OMAP4_DEF_CTRL_PTV_SHIFT));
kbd_writel(keypad_data, OMAP4_KBD_DEBOUNCINGTIME,
OMAP4_VAL_DEBOUNCINGTIME);
- kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS,
- OMAP4_VAL_IRQDISABLE);
kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
OMAP4_DEF_IRQENABLE_EVENTEN |
OMAP4_DEF_IRQENABLE_LONGKEY);
kbd_writel(keypad_data, OMAP4_KBD_WAKEUPENABLE,
OMAP4_DEF_WUP_EVENT_ENA | OMAP4_DEF_WUP_LONG_KEY_ENA);
+ /* clear pending interrupts */
+ kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS,
+ kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS));

enable_irq(keypad_data->irq);

--
1.7.0.4

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