V4L/DVB (10443): cx18: Use correct line counts per field in firmware API call

The driver was incorrectly setting 0 line counts in a firmware
API call to set the maximum amount of lines per field.
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx18/cx18-driver.h

@@ -479,9 +479,6 @@ struct cx18 {
 	unsigned long dualwatch_jiffies;
 	u32 dualwatch_stereo_mode;
 
-	/* Digitizer type */
-	int digitizer;		/* 0x00EF = saa7114 0x00FO = saa7115 0x0106 = mic */
-
 	struct mutex serialize_lock;    /* mutex used to serialize open/close/start/stop/ioctl operations */
 	struct cx18_options options; 	/* User options */
 	int stream_buffers[CX18_MAX_STREAMS]; /* # of buffers for each stream */

drivers/media/video/cx18/cx18-streams.c

@@ -548,10 +548,11 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s)
 		/*
 		 * Number of lines for Field 1 & Field 2 according to
 		 * Documentation/video4linux/cx2341x/fw-encoder-api.txt
-		 * FIXME - currently we set this to 0 & 0 but things seem OK
+		 * Field 1 is 312 for 625 line systems in BT.656
+		 * Field 2 is 313 for 625 line systems in BT.656
 		 */
 		cx18_vapi(cx, CX18_CPU_SET_CAPTURE_LINE_NO, 3,
-			  s->handle, cx->digitizer, cx->digitizer);
+			  s->handle, 312, 313);
 
 		if (cx->v4l2_cap & V4L2_CAP_VBI_CAPTURE)
 			cx18_vbi_setup(s);