[media] atmel-isc: remove the warning

Replace the 'IS_ERR_VALUE(irq)' with 'ret < 0' in
function 'atmel_isc_probe'.

Reported-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Songjun Wu <songjun.wu@microchip.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/drivers/media/platform/atmel/atmel-isc.c b/drivers/media/platform/atmel/atmel-isc.c
index f0c2512..db6773d 100644
--- a/drivers/media/platform/atmel/atmel-isc.c
+++ b/drivers/media/platform/atmel/atmel-isc.c
@@ -1358,7 +1358,7 @@
 	}
 
 	irq = platform_get_irq(pdev, 0);
-	if (IS_ERR_VALUE(irq)) {
+	if (irq < 0) {
 		ret = irq;
 		dev_err(dev, "failed to get irq: %d\n", ret);
 		return ret;