[media] V4L-DVB: tm6000: Move VBI init to a separate function

While here, documment that VBI may need changes, based on video STD, and
do some cleanup at device init, to be sure that VBI init will happen
all the times, and to remove a duplicated video standard call.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/tm6000/tm6000-core.c

@@ -186,27 +186,17 @@ void tm6000_set_fourcc_format(struct tm6000_core *dev)
 	}
 }
 
-int tm6000_init_analog_mode(struct tm6000_core *dev)
+static void tm6000_set_vbi(struct tm6000_core *dev)
 {
-	struct v4l2_frequency f;
+	/*
+	 * FIXME:
+	 * VBI lines and start/end are different between 60Hz and 50Hz
+	 * So, it is very likely that we need to change the config to
+	 * something that takes it into account, doing something different
+	 * if (dev->norm & V4L2_STD_525_60)
+	 */
 
 	if (dev->dev_type == TM6010) {
-		int val;
-
-		/* Enable video */
-		val = tm6000_get_reg(dev, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, 0);
-		val |= 0x60;
-		tm6000_set_reg(dev, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, val);
-		val = tm6000_get_reg(dev,
-			TM6010_REQ07_RC0_ACTIVE_VIDEO_SOURCE, 0);
-		val &= ~0x40;
-		tm6000_set_reg(dev, TM6010_REQ07_RC0_ACTIVE_VIDEO_SOURCE, val);
-
-		tm6000_set_reg(dev, TM6010_REQ08_RF1_AADC_POWER_DOWN, 0xfc);
-
-#if 0		/* FIXME: VBI is standard-dependent */
-
-		/* Init teletext */
 		tm6000_set_reg(dev, TM6010_REQ07_R3F_RESET, 0x01);
 		tm6000_set_reg(dev, TM6010_REQ07_R41_TELETEXT_VBI_CODE1, 0x27);
 		tm6000_set_reg(dev, TM6010_REQ07_R42_VBI_DATA_HIGH_LEVEL, 0x55);
@@ -255,7 +245,27 @@ int tm6000_init_analog_mode(struct tm6000_core *dev)
 		tm6000_set_reg(dev, TM6010_REQ07_R5B_VBI_TELETEXT_DTO0, 0x4c);
 		tm6000_set_reg(dev, TM6010_REQ07_R40_TELETEXT_VBI_CODE0, 0x01);
 		tm6000_set_reg(dev, TM6010_REQ07_R3F_RESET, 0x00);
-#endif
+	}
+}
+
+int tm6000_init_analog_mode(struct tm6000_core *dev)
+{
+	struct v4l2_frequency f;
+
+	if (dev->dev_type == TM6010) {
+		int val;
+
+		/* Enable video */
+		val = tm6000_get_reg(dev, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, 0);
+		val |= 0x60;
+		tm6000_set_reg(dev, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, val);
+		val = tm6000_get_reg(dev,
+			TM6010_REQ07_RC0_ACTIVE_VIDEO_SOURCE, 0);
+		val &= ~0x40;
+		tm6000_set_reg(dev, TM6010_REQ07_RC0_ACTIVE_VIDEO_SOURCE, val);
+
+		tm6000_set_reg(dev, TM6010_REQ08_RF1_AADC_POWER_DOWN, 0xfc);
+
 	} else {
 		/* Enables soft reset */
 		tm6000_set_reg(dev, TM6010_REQ07_R3F_RESET, 0x01);
@@ -310,6 +320,7 @@ int tm6000_init_analog_mode(struct tm6000_core *dev)
 
 	msleep(100);
 	tm6000_set_standard(dev, &dev->norm);
+	tm6000_set_vbi(dev);
 	tm6000_set_audio_bitrate(dev, 48000);
 
 	/* switch dvb led off */

drivers/staging/tm6000/tm6000-video.c

@@ -1015,7 +1015,6 @@ static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *norm)
 	struct tm6000_fh   *fh=priv;
 	struct tm6000_core *dev = fh->dev;
 
-	rc = tm6000_set_standard(dev, norm);
 	rc = tm6000_init_analog_mode(dev);
 
 	fh->width  = dev->width;
@@ -1293,18 +1292,17 @@ static int tm6000_open(struct file *file)
 				"active=%d\n",list_empty(&dev->vidq.active));
 
 	/* initialize hardware on analog mode */
-//	if (dev->mode!=TM6000_MODE_ANALOG) {
-//		rc = tm6000_set_standard(dev, dev->norm);
-		rc += tm6000_init_analog_mode(dev);
-		if (rc < 0)
-			return rc;
+	rc = tm6000_init_analog_mode(dev);
+	if (rc < 0)
+		return rc;
 
+	if (dev->mode != TM6000_MODE_ANALOG) {
 		/* Put all controls at a sane state */
 		for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++)
-			qctl_regs[i] =tm6000_qctrl[i].default_value;
+			qctl_regs[i] = tm6000_qctrl[i].default_value;
 
-		dev->mode=TM6000_MODE_ANALOG;
-//	}
+		dev->mode = TM6000_MODE_ANALOG;
+	}
 
 	videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops,
 			NULL, &dev->slock,