I'm not sure about this one, does it make any sense? I have to do it on my test platform; if I request IRQF_TRIGGER_FALLING I get an error. With this patch everything works fine. But maybe it would be better to try to fix the platform instead...
BR,
--
Iiro
Input: qt602240_ts - Try IRQF_TRIGGER_NONE if IRQF_TRIGGER_FALLING returns error
From: Iiro Valkonen <iiro.valkonen@xxxxxxxxx>
Try IRQF_TRIGGER_NONE if IRQF_TRIGGER_FALLING returns error.
Signed-off-by: Iiro Valkonen <iiro.valkonen@xxxxxxxxx>
---
drivers/input/touchscreen/qt602240_ts.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/input/touchscreen/qt602240_ts.c b/drivers/input/touchscreen/qt602240_ts.c
index a88ec93..208d9f7 100644
--- a/drivers/input/touchscreen/qt602240_ts.c
+++ b/drivers/input/touchscreen/qt602240_ts.c
@@ -1165,6 +1165,15 @@ static int __devinit mxt_probe(struct i2c_client *client,
error = request_threaded_irq(client->irq, NULL, mxt_interrupt,
IRQF_TRIGGER_FALLING, client->dev.driver->name, data);
+
+ if (error) {
+ /* If registering an interrupt with falling edge didn't work,
+ try any edge. */
+ error = request_threaded_irq(client->irq, NULL, mxt_interrupt,
+ IRQF_TRIGGER_NONE,
+ client->dev.driver->name, data);
+ }
+
if (error) {
dev_err(&client->dev, "Failed to register interrupt\n");
goto err_free_object;
--
1.7.0.4
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