- "while (!ca->wakeup)" breaks the CAM initialisation

Signed-off-by: Marco Schluessler <marco@lordzodiac.de>

diff -bur v4l-dvb-ea93c93f1547_orig/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c v4l-dvb-ea93c93f1547/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
--- v4l-dvb-ea93c93f1547_orig/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c	2007-10-14 13:19:25.000000000 +0200
+++ v4l-dvb-ea93c93f1547/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c	2007-10-14 18:37:15.000000000 +0200
@@ -973,7 +973,7 @@
 	/* main loop */
 	while (!kthread_should_stop()) {
 		/* sleep for a bit */
-		while (!ca->wakeup) {
+		if (!ca->wakeup) {
 			set_current_state(TASK_INTERRUPTIBLE);
 			schedule_timeout(ca->delay);
 			if (kthread_should_stop())