[PATCH v2 3/3] Input: omap-keypad: Set irq to level instead of edge
From: Illia Smyrnov <hidden>
Date: 2013-07-26 17:09:19
Also in:
linux-omap, lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
From: Axel Haslam <redacted> 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 <redacted> Signed-off-by: Illia Smyrnov <redacted> --- 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 e8bdc76..7adb53e 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