[media] atmel-isi: disable ISI even if it has codec request

In current code, stop_streaming() will just return if ISI is still
working in the codec. But this is incorrect, we need to disable ISI even
it is working on the codec, otherwise stop_streaming() will not work as
we expected.

Signed-off-by: Josh Wu <[e-mail]>
Signed-off-by: Guennadi Liakhovetski <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/platform/soc_camera/atmel-isi.c

···
 			time_before(jiffies, timeout))
 		msleep(1);
 
-	if (time_after(jiffies, timeout)) {
+	if (time_after(jiffies, timeout))
 		dev_err(icd->parent,
 			"Timeout waiting for finishing codec request\n");
-		return;
-	}
 
 	/* Disable interrupts */
 	isi_writel(isi, ISI_INTDIS,