From: Axel Haslam <[email protected]>

Set mpu irq to level instead of edge, since if mpu is in low power
an edge detection may be lost if the event is a wkup event.

Signed-off-by: Axel Haslam <[email protected]>
Signed-off-by: Illia Smyrnov <[email protected]>
---
 Based on top of v3.11-rc2

 Depends on:
 Input: omap-keypad: Convert to threaded IRQ
 https://patchwork.kernel.org/patch/2832920/

 drivers/input/keyboard/omap4-keypad.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/input/keyboard/omap4-keypad.c 
b/drivers/input/keyboard/omap4-keypad.c
index b13589e..66a41d6 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -374,9 +374,13 @@ static int omap4_keypad_probe(struct platform_device *pdev)
                goto err_free_keymap;
        }
 
+       /*
+        * Set irq level detection for mpu. Edge event are missed in gic
+        * if the mpu is in low power and keypad event is a wakeup
+        */
        error = request_threaded_irq(keypad_data->irq, omap4_keypad_irq_handler,
                                     omap4_keypad_irq_thread_fn,
-                                    IRQF_TRIGGER_RISING,
+                                    IRQF_TRIGGER_HIGH,
                                     "omap4-keypad", keypad_data);
        if (error) {
                dev_err(&pdev->dev, "failed to register interrupt\n");
-- 
1.7.9.5

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