From: Lars-Peter Clausen <lars@metafoo.de>
Date: Fri, 23 Jan 2015 15:52:21 +0000 (-0300)
Subject: [media] adv7180: Pass correct flags to request_threaded_irq()
X-Git-Tag: firefly_0821_release~176^2~795^2~1515
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f3e991d418c7ee2890b1956c32f8b31639249ade;p=firefly-linux-kernel-4.4.55.git

[media] adv7180: Pass correct flags to request_threaded_irq()

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>
---

diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c
index 7666d10d3f16..15deaad1c6eb 100644
--- a/drivers/media/i2c/adv7180.c
+++ b/drivers/media/i2c/adv7180.c
@@ -630,7 +630,8 @@ 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;
 	}