Most IRQ controllers support different types of interrupts. The adv7180
generates falling edge interrupts, so make sure to pass IRQF_TRIGGER_FALLING
to request_threaded_irq() so the IRQ controller is configured for the
correct mode.
Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
Acked-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/i2c/adv7180.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c
index 172e4a2..f424a4d 100644
--- a/drivers/media/i2c/adv7180.c
+++ b/drivers/media/i2c/adv7180.c
@@ -632,7 +632,8 @@ static int adv7180_probe(struct i2c_client *client,
if (state->irq) {
ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
- IRQF_ONESHOT, KBUILD_MODNAME, state);
+ IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
+ KBUILD_MODNAME, state);
if (ret)
goto err_free_ctrl;
}
--
1.8.0
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