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author | Stefan Agner <stefan.agner@toradex.com> | 2014-12-16 10:24:29 +0100 |
---|---|---|
committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2015-11-02 18:27:01 +0100 |
commit | f09c7a335edb94a1439eee92cce8e9d399af50e1 (patch) | |
tree | 1921716f6cbcb89c73c4c6407bd09b1b80036558 | |
parent | 3385e637a4d041e518a926c11c1df571732951a2 (diff) |
input: touchscreen: fusion: use level triggered interrupt
Use level triggered interrupt which makes sure that even we miss a
rising edge (due to latencies in the kernel), the interrupt still
will be handled later, and doesn't freeze the input device.
(cherry picked from commit ef25b8a9f9c0ca7cc0f0f955d89d112c3e19f75b)
-rw-r--r-- | drivers/input/touchscreen/fusion_F0710A.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/fusion_F0710A.c b/drivers/input/touchscreen/fusion_F0710A.c index c5c0f1fc38ea..e9a513426f9e 100644 --- a/drivers/input/touchscreen/fusion_F0710A.c +++ b/drivers/input/touchscreen/fusion_F0710A.c @@ -17,6 +17,7 @@ #include <asm/irq.h> #include <linux/gpio.h> #include <linux/input/fusion_F0710A.h> +#include <linux/irq.h> #include "fusion_F0710A.h" @@ -335,6 +336,7 @@ static int fusion_F0710A_probe(struct i2c_client *i2c, const struct i2c_device_i /* Use Pen Down GPIO as sampling interrupt */ i2c->irq = gpio_to_irq(pdata->gpio_int); + irq_set_irq_type(i2c->irq, IRQ_TYPE_LEVEL_HIGH); if(!i2c->irq) { |