Matthieu CASTET a écrit :
> Hi,
>
> We need to pass a trigger flag for the interruption to work with some
> gpio controller.
>
> This patch make it work on a arm omap chip.
>
> Signed-off-by: Matthieu CASTET <matthieu.castet@xxxxxxxxxx>
>
in fact we should trigger on low level.
The problem with falling edge is that we trigger irq when sending
command to chip even if there are disable : there are resend on irq_enable!
Signed-off-by: Matthieu CASTET <matthieu.castet@xxxxxxxxxx>
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c
index 7ef0d14..a16b9e5 100644
--- a/drivers/input/touchscreen/tsc2007.c
+++ b/drivers/input/touchscreen/tsc2007.c
@@ -312,7 +312,7 @@ static int __devinit tsc2007_probe(struct i2c_client *client,
if (pdata->init_platform_hw)
pdata->init_platform_hw();
- err = request_irq(ts->irq, tsc2007_irq, 0,
+ err = request_irq(ts->irq, tsc2007_irq, IRQF_TRIGGER_LOW,
client->dev.driver->name, ts);
if (err < 0) {
dev_err(&client->dev, "irq %d busy?\n", ts->irq);
