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@metafoo.de>
Acked-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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;
}