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path: root/drivers/input/keyboard/omap4-keypad.c
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Diffstat (limited to 'drivers/input/keyboard/omap4-keypad.c')
-rw-r--r--drivers/input/keyboard/omap4-keypad.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index a7dc286f406c..840e53732753 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -126,12 +126,8 @@ static irqreturn_t omap4_keypad_irq_handler(int irq, void *dev_id)
{
struct omap4_keypad *keypad_data = dev_id;
- if (kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS)) {
- /* Disable interrupts */
- kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
- OMAP4_VAL_IRQDISABLE);
+ if (kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS))
return IRQ_WAKE_THREAD;
- }
return IRQ_NONE;
}
@@ -173,11 +169,6 @@ static irqreturn_t omap4_keypad_irq_thread_fn(int irq, void *dev_id)
kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS,
kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS));
- /* enable interrupts */
- kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
- OMAP4_DEF_IRQENABLE_EVENTEN |
- OMAP4_DEF_IRQENABLE_LONGKEY);
-
return IRQ_HANDLED;
}
@@ -214,9 +205,10 @@ static void omap4_keypad_close(struct input_dev *input)
disable_irq(keypad_data->irq);
- /* Disable interrupts */
+ /* Disable interrupts and wake-up events */
kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
OMAP4_VAL_IRQDISABLE);
+ kbd_writel(keypad_data, OMAP4_KBD_WAKEUPENABLE, 0);
/* clear pending interrupts */
kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS,
@@ -365,7 +357,7 @@ static int omap4_keypad_probe(struct platform_device *pdev)
}
error = request_threaded_irq(keypad_data->irq, omap4_keypad_irq_handler,
- omap4_keypad_irq_thread_fn, 0,
+ omap4_keypad_irq_thread_fn, IRQF_ONESHOT,
"omap4-keypad", keypad_data);
if (error) {
dev_err(&pdev->dev, "failed to register interrupt\n");