[1/3] Input: omap4-keypad - configure interrupt as level
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Message ID 20200228171223.11444-2-tony@atomide.com
State New
Headers show
Series
  • Lost key-up interrupt handling for omap4-keypad
Related show

Commit Message

Tony Lindgren Feb. 28, 2020, 5:12 p.m. UTC
The interrupt should be level high for SoC internal devices.
Otherwise interrupts may not be seen after a wake-up event.

Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: ruleh <ruleh@gmx.de>
Cc: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 drivers/input/keyboard/omap4-keypad.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Patch
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diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -344,7 +344,8 @@  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, IRQF_ONESHOT,
+				     omap4_keypad_irq_thread_fn,
+				     IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
 				     "omap4-keypad", keypad_data);
 	if (error) {
 		dev_err(&pdev->dev, "failed to register interrupt\n");