lkml.org 
[lkml]   [2013]   [Jul]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3/3] Input: omap-keypad: Set irq to level instead of edge
Date
From: Axel Haslam <axelhaslam@ti.com>

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 <axelhaslam@ti.com>
Signed-off-by: Illia Smyrnov <illia.smyrnov@ti.com>
---
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


\
 
 \ /
  Last update: 2013-07-26 19:01    [W:0.051 / U:0.336 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site