merge: http://linuxtv.org/hg/~hverkuil/v4l-dvb

From: Mauro Carvalho Chehab <mchehab@infradead.org>



Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

12 files changed, 173 insertions, 129 deletions

diff --git a/linux/drivers/media/video/Makefile b/linux/drivers/media/video/Makefile
index 8f7205b55..c5286bfba 100644
--- a/linux/drivers/media/video/Makefile
+++ b/linux/drivers/media/video/Makefile
@@ -64,7 +64,6 @@ obj-$(CONFIG_VIDEO_CPIA_USB) += cpia_usb.o
 obj-$(CONFIG_VIDEO_MEYE) += meye.o
 obj-$(CONFIG_VIDEO_SAA7134) += saa7134/
 obj-$(CONFIG_VIDEO_CX88) += cx88/
-obj-$(CONFIG_VIDEO_IVTV) += ivtv/
 obj-$(CONFIG_VIDEO_EM28XX) += em28xx/
 obj-$(CONFIG_VIDEO_USBVISION) += usbvision/
 obj-$(CONFIG_VIDEO_TVP5150) += tvp5150.o
@@ -117,6 +116,8 @@ obj-$(CONFIG_USB_KONICAWC)      += usbvideo/
 obj-$(CONFIG_USB_VICAM)         += usbvideo/
 obj-$(CONFIG_USB_QUICKCAM_MESSENGER)	+= usbvideo/
 
+obj-$(CONFIG_VIDEO_IVTV) += ivtv/
+
 obj-$(CONFIG_VIDEO_VIVI) += vivi.o
 
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
diff --git a/linux/drivers/media/video/cx25840/cx25840-core.c b/linux/drivers/media/video/cx25840/cx25840-core.c
index 9d40a2b95..77aca112c 100644
--- a/linux/drivers/media/video/cx25840/cx25840-core.c
+++ b/linux/drivers/media/video/cx25840/cx25840-core.c
@@ -636,6 +636,22 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
 	struct v4l2_tuner *vt = arg;
 	struct v4l2_routing *route = arg;
 
+	/* ignore these commands */
+	switch (cmd) {
+		case TUNER_SET_TYPE_ADDR:
+			return 0;
+	}
+
+	if (!state->is_initialized) {
+		v4l_dbg(1, cx25840_debug, client, "cmd %08x triggered fw load\n", cmd);
+		/* initialize on first use */
+		state->is_initialized = 1;
+		if (state->is_cx25836)
+			cx25836_initialize(client);
+		else
+			cx25840_initialize(client, 1);
+	}
+
 	switch (cmd) {
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 	/* ioctls to allow direct access to the
@@ -927,11 +943,6 @@ static int cx25840_detect_client(struct i2c_adapter *adapter, int address,
 
 	i2c_attach_client(client);
 
-	if (state->is_cx25836)
-		cx25836_initialize(client);
-	else
-		cx25840_initialize(client, 1);
-
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
 	MOD_INC_USE_COUNT;
 #endif
diff --git a/linux/drivers/media/video/cx25840/cx25840-core.h b/linux/drivers/media/video/cx25840/cx25840-core.h
index bcb624124..8b235175e 100644
--- a/linux/drivers/media/video/cx25840/cx25840-core.h
+++ b/linux/drivers/media/video/cx25840/cx25840-core.h
@@ -47,6 +47,7 @@ struct cx25840_state {
 	u32 id;
 	u32 rev;
 	int is_cx25836;
+	int is_initialized;
 };
 
 /* ----------------------------------------------------------------------- */
diff --git a/linux/drivers/media/video/ivtv/ivtv-cards.c b/linux/drivers/media/video/ivtv/ivtv-cards.c
index 8eab02083..baab14b40 100644
--- a/linux/drivers/media/video/ivtv/ivtv-cards.c
+++ b/linux/drivers/media/video/ivtv/ivtv-cards.c
@@ -845,6 +845,7 @@ static const struct ivtv_card ivtv_card_pg600v2 = {
 		{ IVTV_CARD_INPUT_VID_TUNER,  0, CX25840_COMPOSITE2 },
 		{ IVTV_CARD_INPUT_SVIDEO1,    1,
 		  CX25840_SVIDEO_LUMA3 | CX25840_SVIDEO_CHROMA4 },
+		{ IVTV_CARD_INPUT_COMPOSITE1, 1, CX25840_COMPOSITE1 },
 	},
 	.audio_inputs = {
 		{ IVTV_CARD_INPUT_AUD_TUNER,  CX25840_AUDIO5       },
diff --git a/linux/drivers/media/video/ivtv/ivtv-driver.c b/linux/drivers/media/video/ivtv/ivtv-driver.c
index 430010b53..b86b524d8 100644
--- a/linux/drivers/media/video/ivtv/ivtv-driver.c
+++ b/linux/drivers/media/video/ivtv/ivtv-driver.c
@@ -818,7 +818,6 @@ static void ivtv_request_module(struct ivtv *itv, const char *name)
 
 static void ivtv_load_and_init_modules(struct ivtv *itv)
 {
-	struct v4l2_control ctrl;
 	u32 hw = itv->card->hw_all;
 	int i;
 
@@ -900,11 +899,6 @@ static void ivtv_load_and_init_modules(struct ivtv *itv)
 	}
 
 	if (hw & IVTV_HW_CX25840) {
-		/* CX25840_CID_ENABLE_PVR150_WORKAROUND */
-		ctrl.id = V4L2_CID_PRIVATE_BASE;
-		ctrl.value = itv->pvr150_workaround;
-		itv->video_dec_func(itv, VIDIOC_S_CTRL, &ctrl);
-
 		itv->vbi.raw_decoder_line_size = 1444;
 		itv->vbi.raw_decoder_sav_odd_field = 0x20;
 		itv->vbi.raw_decoder_sav_even_field = 0x60;
@@ -950,12 +944,9 @@ static int __devinit ivtv_probe(struct pci_dev *dev,
 				const struct pci_device_id *pci_id)
 {
 	int retval = 0;
-	int video_input;
 	int yuv_buf_size;
 	int vbi_buf_size;
-	int fw_retry_count = 3;
 	struct ivtv *itv;
-	struct v4l2_frequency vf;
 
 	spin_lock(&ivtv_cards_lock);
 
@@ -1042,22 +1033,6 @@ static int __devinit ivtv_probe(struct pci_dev *dev,
 		goto free_io;
 	}
 
-	while (--fw_retry_count > 0) {
-		/* load firmware */
-		if (ivtv_firmware_init(itv) == 0)
-			break;
-		if (fw_retry_count > 1)
-			IVTV_WARN("Retry loading firmware\n");
-	}
-	if (fw_retry_count == 0) {
-		IVTV_ERR("Error initializing firmware\n");
-		goto free_i2c;
-	}
-
-	/* Try and get firmware versions */
-	IVTV_DEBUG_INFO("Getting firmware version..\n");
-	ivtv_firmware_versions(itv);
-
 	/* Check yuv output filter table */
 	if (itv->has_cx23415) ivtv_yuv_filter_check(itv);
 
@@ -1161,44 +1136,16 @@ static int __devinit ivtv_probe(struct pci_dev *dev,
 		ivtv_call_i2c_clients(itv, TUNER_SET_TYPE_ADDR, &setup);
 	}
 
-	vf.tuner = 0;
-	vf.type = V4L2_TUNER_ANALOG_TV;
-	vf.frequency = 6400; /* the tuner 'baseline' frequency */
-
-	/* Set initial frequency. For PAL/SECAM broadcasts no
-	   'default' channel exists AFAIK. */
-	if (itv->std == V4L2_STD_NTSC_M_JP) {
-		vf.frequency = 1460;	/* ch. 1 91250*16/1000 */
-	}
-	else if (itv->std & V4L2_STD_NTSC_M) {
-		vf.frequency = 1076;	/* ch. 4 67250*16/1000 */
-	}
-
 	/* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
 	   are not. */
 	itv->tuner_std = itv->std;
 
-	video_input = itv->active_input;
-	itv->active_input++;	/* Force update of input */
-	ivtv_v4l2_ioctls(itv, NULL, VIDIOC_S_INPUT, &video_input);
-
-	/* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
-	   in one place. */
-	itv->std++;		/* Force full standard initialization */
-	itv->std_out = itv->std;
-	ivtv_v4l2_ioctls(itv, NULL, VIDIOC_S_FREQUENCY, &vf);
-
 	retval = ivtv_streams_setup(itv);
 	if (retval) {
 		IVTV_ERR("Error %d setting up streams\n", retval);
 		goto free_i2c;
 	}
 
-	if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
-		ivtv_init_mpeg_decoder(itv);
-	}
-	ivtv_v4l2_ioctls(itv, NULL, VIDIOC_S_STD, &itv->tuner_std);
-
 	IVTV_DEBUG_IRQ("Masking interrupts\n");
 	/* clear interrupt mask, effectively disabling interrupts */
 	ivtv_set_irq_mask(itv, 0xffffffff);
@@ -1210,26 +1157,7 @@ static int __devinit ivtv_probe(struct pci_dev *dev,
 		IVTV_ERR("Failed to register irq %d\n", retval);
 		goto free_streams;
 	}
-
-	/* On a cx23416 this seems to be able to enable DMA to the chip? */
-	if (!itv->has_cx23415)
-		write_reg_sync(0x03, IVTV_REG_DMACONTROL);
-
-	/* Default interrupts enabled. For the PVR350 this includes the
-	   decoder VSYNC interrupt, which is always on. It is not only used
-	   during decoding but also by the OSD.
-	   Some old PVR250 cards had a cx23415, so testing for that is too
-	   general. Instead test if the card has video output capability. */
-	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
-		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);
-	else
-		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);
-
-	if (itv->has_cx23415)
-		ivtv_set_osd_alpha(itv);
-
 	IVTV_INFO("Initialized card #%d: %s\n", itv->num, itv->card_name);
-
 	return 0;
 
       free_irq:
@@ -1259,55 +1187,133 @@ static int __devinit ivtv_probe(struct pci_dev *dev,
 	return retval;
 }
 
+int ivtv_init_on_first_open(struct ivtv *itv)
+{
+	struct v4l2_frequency vf;
+	int fw_retry_count = 3;
+	int video_input;
+
+	if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))
+		return -ENXIO;
+
+	if (test_and_set_bit(IVTV_F_I_INITED, &itv->i_flags))
+		return 0;
+
+	while (--fw_retry_count > 0) {
+		/* load firmware */
+		if (ivtv_firmware_init(itv) == 0)
+			break;
+		if (fw_retry_count > 1)
+			IVTV_WARN("Retry loading firmware\n");
+	}
+
+	if (fw_retry_count == 0) {
+		set_bit(IVTV_F_I_FAILED, &itv->i_flags);
+		return -ENXIO;
+	}
+
+	/* Try and get firmware versions */
+	IVTV_DEBUG_INFO("Getting firmware version..\n");
+	ivtv_firmware_versions(itv);
+
+	if (itv->card->hw_all & IVTV_HW_CX25840) {
+		struct v4l2_control ctrl;
+
+		/* CX25840_CID_ENABLE_PVR150_WORKAROUND */
+		ctrl.id = V4L2_CID_PRIVATE_BASE;
+		ctrl.value = itv->pvr150_workaround;
+		itv->video_dec_func(itv, VIDIOC_S_CTRL, &ctrl);
+	}
+
+	vf.tuner = 0;
+	vf.type = V4L2_TUNER_ANALOG_TV;
+	vf.frequency = 6400; /* the tuner 'baseline' frequency */
+
+	/* Set initial frequency. For PAL/SECAM broadcasts no
+	   'default' channel exists AFAIK. */
+	if (itv->std == V4L2_STD_NTSC_M_JP) {
+		vf.frequency = 1460;	/* ch. 1 91250*16/1000 */
+	}
+	else if (itv->std & V4L2_STD_NTSC_M) {
+		vf.frequency = 1076;	/* ch. 4 67250*16/1000 */
+	}
+
+	video_input = itv->active_input;
+	itv->active_input++;	/* Force update of input */
+	ivtv_v4l2_ioctls(itv, NULL, VIDIOC_S_INPUT, &video_input);
+
+	/* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
+	   in one place. */
+	itv->std++;		/* Force full standard initialization */
+	itv->std_out = itv->std;
+	ivtv_v4l2_ioctls(itv, NULL, VIDIOC_S_FREQUENCY, &vf);
+
+	if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
+		ivtv_init_mpeg_decoder(itv);
+	}
+	ivtv_v4l2_ioctls(itv, NULL, VIDIOC_S_STD, &itv->tuner_std);
+
+	/* On a cx23416 this seems to be able to enable DMA to the chip? */
+	if (!itv->has_cx23415)
+		write_reg_sync(0x03, IVTV_REG_DMACONTROL);
+
+	/* Default interrupts enabled. For the PVR350 this includes the
+	   decoder VSYNC interrupt, which is always on. It is not only used
+	   during decoding but also by the OSD.
+	   Some old PVR250 cards had a cx23415, so testing for that is too
+	   general. Instead test if the card has video output capability. */
+	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
+		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);
+		ivtv_set_osd_alpha(itv);
+	}
+	else
+		ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);
+	return 0;
+}
+
 static void ivtv_remove(struct pci_dev *pci_dev)
 {
 	struct ivtv *itv = pci_get_drvdata(pci_dev);
 
 	IVTV_DEBUG_INFO("Removing Card #%d\n", itv->num);
 
-	/* Stop all captures */
-	IVTV_DEBUG_INFO("Stopping all streams\n");
-	if (atomic_read(&itv->capturing) > 0)
-		ivtv_stop_all_captures(itv);
-
-	/* Stop all decoding */
-	IVTV_DEBUG_INFO("Stopping decoding\n");
-	if (atomic_read(&itv->decoding) > 0) {
-		int type;
-
-		if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
-			type = IVTV_DEC_STREAM_TYPE_YUV;
-		else
-			type = IVTV_DEC_STREAM_TYPE_MPG;
-		ivtv_stop_v4l2_decode_stream(&itv->streams[type],
-			VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY, 0);
+	if (test_bit(IVTV_F_I_INITED, &itv->i_flags)) {
+		/* Stop all captures */
+		IVTV_DEBUG_INFO("Stopping all streams\n");
+		if (atomic_read(&itv->capturing) > 0)
+			ivtv_stop_all_captures(itv);
+
+		/* Stop all decoding */
+		IVTV_DEBUG_INFO("Stopping decoding\n");
+		if (atomic_read(&itv->decoding) > 0) {
+			int type;
+
+			if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
+				type = IVTV_DEC_STREAM_TYPE_YUV;
+			else
+				type = IVTV_DEC_STREAM_TYPE_MPG;
+			ivtv_stop_v4l2_decode_stream(&itv->streams[type],
+				VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY, 0);
+		}
+		ivtv_halt_firmware(itv);
 	}
 
 	/* Interrupts */
-	IVTV_DEBUG_INFO("Disabling interrupts\n");
 	ivtv_set_irq_mask(itv, 0xffffffff);
 	del_timer_sync(&itv->dma_timer);
 
 	/* Stop all Work Queues */
-	IVTV_DEBUG_INFO("Stop Work Queues\n");
 	flush_workqueue(itv->irq_work_queues);
 	destroy_workqueue(itv->irq_work_queues);
 
-	IVTV_DEBUG_INFO("Stopping Firmware\n");
-	ivtv_halt_firmware(itv);
-
-	IVTV_DEBUG_INFO("Unregistering v4l devices\n");
 	ivtv_streams_cleanup(itv);
-	IVTV_DEBUG_INFO("Freeing dma resources\n");
 	ivtv_udma_free(itv);
 
 	exit_ivtv_i2c(itv);
 
-	IVTV_DEBUG_INFO(" Releasing irq\n");
 	free_irq(itv->dev->irq, (void *)itv);
 	ivtv_iounmap(itv);
 
-	IVTV_DEBUG_INFO(" Releasing mem\n");
 	release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
 	release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
 	if (itv->has_cx23415)
@@ -1386,6 +1392,7 @@ EXPORT_SYMBOL(ivtv_udma_setup);
 EXPORT_SYMBOL(ivtv_udma_unmap);
 EXPORT_SYMBOL(ivtv_udma_alloc);
 EXPORT_SYMBOL(ivtv_udma_prepare);
+EXPORT_SYMBOL(ivtv_init_on_first_open);
 
 module_init(module_start);
 module_exit(module_cleanup);
diff --git a/linux/drivers/media/video/ivtv/ivtv-driver.h b/linux/drivers/media/video/ivtv/ivtv-driver.h
index 3b3d2ca20..7d69337ee 100644
--- a/linux/drivers/media/video/ivtv/ivtv-driver.h
+++ b/linux/drivers/media/video/ivtv/ivtv-driver.h
@@ -400,6 +400,9 @@ struct ivtv_mailbox_data {
 #define IVTV_F_I_WORK_HANDLER_YUV  17	/* there is work to be done for YUV */
 #define IVTV_F_I_WORK_HANDLER_PIO  18	/* there is work to be done for PIO */
 #define IVTV_F_I_PIO		   19	/* PIO in progress */
+#define IVTV_F_I_DEC_PAUSED	   20 	/* the decoder is paused */
+#define IVTV_F_I_INITED		   21 	/* set after first open */
+#define IVTV_F_I_FAILED		   22 	/* set if first open failed */
 
 /* Event notifications */
 #define IVTV_F_I_EV_DEC_STOPPED	   28	/* decoder stopped event */
@@ -848,6 +851,9 @@ int ivtv_waitq(wait_queue_head_t *waitq);
 struct tveeprom; /* forward reference */
 void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv);
 
+/* First-open initialization: load firmware, init cx25840, etc. */
+int ivtv_init_on_first_open(struct ivtv *itv);
+
 /* This is a PCI post thing, where if the pci register is not read, then
    the write doesn't always take effect right away. By reading back the
    register any pending PCI writes will be performed (in order), and so
diff --git a/linux/drivers/media/video/ivtv/ivtv-fb.c b/linux/drivers/media/video/ivtv/ivtv-fb.c
index b8ad249a0..00765da8a 100644
--- a/linux/drivers/media/video/ivtv/ivtv-fb.c
+++ b/linux/drivers/media/video/ivtv/ivtv-fb.c
@@ -1013,6 +1013,11 @@ static int ivtvfb_init_io(struct ivtv *itv)
 {
 	struct osd_info *oi = itv->osd_info;
 
+	if (ivtv_init_on_first_open(itv)) {
+		IVTV_FB_ERR("Failed to initialize ivtv\n");
+		return -ENXIO;
+	}
+
 	ivtv_fb_get_framebuffer(itv, &oi->video_rbase, &oi->video_buffer_size);
 
 	/* The osd buffer size depends on the number of video buffers allocated
diff --git a/linux/drivers/media/video/ivtv/ivtv-fileops.c b/linux/drivers/media/video/ivtv/ivtv-fileops.c
index 8e97a9383..0f14a790b 100644
--- a/linux/drivers/media/video/ivtv/ivtv-fileops.c
+++ b/linux/drivers/media/video/ivtv/ivtv-fileops.c
@@ -757,6 +757,7 @@ static void ivtv_stop_decoding(struct ivtv_open_id *id, int flags, u64 pts)
 	    itv->output_mode = OUT_NONE;
 
 	itv->speed = 0;
+	clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags);
 	ivtv_release_stream(s);
 }
 
@@ -799,7 +800,16 @@ int ivtv_v4l2_close(struct inode *inode, struct file *filp)
 		ivtv_unmute(itv);
 		ivtv_release_stream(s);
 	} else if (s->type >= IVTV_DEC_STREAM_TYPE_MPG) {
+		struct ivtv_stream *s_vout = &itv->streams[IVTV_DEC_STREAM_TYPE_VOUT];
+
 		ivtv_stop_decoding(id, VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY, 0);
+
+		/* If all output streams are closed, and if the user doesn't have
+		   IVTV_DEC_STREAM_TYPE_VOUT open, then disable VBI on TV-out. */
+		if (itv->output_mode == OUT_NONE && !test_bit(IVTV_F_S_APPL_IO, &s_vout->s_flags)) {
+			/* disable VBI on TV-out */
+			ivtv_disable_vbi(itv);
+		}
 	} else {
 		ivtv_stop_capture(id, 0);
 	}
@@ -832,7 +842,12 @@ int ivtv_v4l2_open(struct inode *inode, struct file *filp)
 	if (itv == NULL) {
 		/* Couldn't find a device registered
 		   on that minor, shouldn't happen! */
-		printk(KERN_WARNING "ivtv:  No ivtv device found on minor %d\n", minor);
+		IVTV_WARN("No ivtv device found on minor %d\n", minor);
+		return -ENXIO;
+	}
+
+	if (ivtv_init_on_first_open(itv)) {
+		IVTV_ERR("Failed to initialize on minor %d\n", minor);
 		return -ENXIO;
 	}
 
diff --git a/linux/drivers/media/video/ivtv/ivtv-firmware.c b/linux/drivers/media/video/ivtv/ivtv-firmware.c
index d0feabf93..425eb1063 100644
--- a/linux/drivers/media/video/ivtv/ivtv-firmware.c
+++ b/linux/drivers/media/video/ivtv/ivtv-firmware.c
@@ -72,8 +72,8 @@ retry:
 			dst++;
 			src++;
 		}
-		release_firmware(fw);
 		IVTV_INFO("Loaded %s firmware (%zd bytes)\n", fn, fw->size);
+		release_firmware(fw);
 		return size;
 	}
 	IVTV_ERR("Unable to open firmware %s (must be %ld bytes)\n", fn, size);
diff --git a/linux/drivers/media/video/ivtv/ivtv-ioctl.c b/linux/drivers/media/video/ivtv/ivtv-ioctl.c
index e0b62f2d1..e3a05f8fd 100644
--- a/linux/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/linux/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -285,6 +285,10 @@ static int ivtv_video_command(struct ivtv *itv, struct ivtv_open_id *id,
 
 		if (ivtv_set_output_mode(itv, OUT_MPG) != OUT_MPG)
 			return -EBUSY;
+		if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
+			/* forces ivtv_set_speed to be called */
+			itv->speed = 0;
+		}
 		return ivtv_start_decoding(id, vc->play.speed);
 	}
 
@@ -309,6 +313,7 @@ static int ivtv_video_command(struct ivtv *itv, struct ivtv_open_id *id,
 		if (atomic_read(&itv->decoding) > 0) {
 			ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1,
 				(vc->flags & VIDEO_CMD_FREEZE_TO_BLACK) ? 1 : 0);
+			set_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags);
 		}
 		break;
 
@@ -317,8 +322,10 @@ static int ivtv_video_command(struct ivtv *itv, struct ivtv_open_id *id,
 		if (try) break;
 		if (itv->output_mode != OUT_MPG)
 			return -EBUSY;
-		if (atomic_read(&itv->decoding) > 0) {
-			ivtv_vapi(itv, CX2341X_DEC_START_PLAYBACK, 2, 0, 0);
+		if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
+			int speed = itv->speed;
+			itv->speed = 0;
+			return ivtv_start_decoding(id, speed);
 		}
 		break;
 
diff --git a/linux/drivers/media/video/ivtv/ivtv-mailbox.c b/linux/drivers/media/video/ivtv/ivtv-mailbox.c
index 814a67371..5e3b67920 100644
--- a/linux/drivers/media/video/ivtv/ivtv-mailbox.c
+++ b/linux/drivers/media/video/ivtv/ivtv-mailbox.c
@@ -40,6 +40,7 @@
 #define API_HIGH_VOL 	 (1 << 5)	/* High volume command (i.e. called during encoding or decoding) */
 #define API_NO_WAIT_MB 	 (1 << 4)	/* Command may not wait for a free mailbox */
 #define API_NO_WAIT_RES	 (1 << 5)	/* Command may not wait for the result */
+#define API_NO_POLL	 (1 << 6)	/* Avoid pointless polling */
 
 struct ivtv_api_info {
 	int flags;		/* Flags, see above */
@@ -51,7 +52,7 @@ struct ivtv_api_info {
 static const struct ivtv_api_info api_info[256] = {
 	/* MPEG encoder API */
 	API_ENTRY(CX2341X_ENC_PING_FW, 			API_FAST_RESULT),
-	API_ENTRY(CX2341X_ENC_START_CAPTURE, 		API_RESULT),
+	API_ENTRY(CX2341X_ENC_START_CAPTURE, 		API_RESULT | API_NO_POLL),
 	API_ENTRY(CX2341X_ENC_STOP_CAPTURE, 		API_RESULT),
 	API_ENTRY(CX2341X_ENC_SET_AUDIO_ID, 		API_CACHE),
 	API_ENTRY(CX2341X_ENC_SET_VIDEO_ID, 		API_CACHE),
@@ -96,7 +97,7 @@ static const struct ivtv_api_info api_info[256] = {
 
 	/* MPEG decoder API */
 	API_ENTRY(CX2341X_DEC_PING_FW, 			API_FAST_RESULT),
-	API_ENTRY(CX2341X_DEC_START_PLAYBACK, 		API_RESULT),
+	API_ENTRY(CX2341X_DEC_START_PLAYBACK, 		API_RESULT | API_NO_POLL),
 	API_ENTRY(CX2341X_DEC_STOP_PLAYBACK, 		API_RESULT),
 	API_ENTRY(CX2341X_DEC_SET_PLAYBACK_SPEED, 	API_RESULT),
 	API_ENTRY(CX2341X_DEC_STEP_VIDEO, 		API_RESULT),
@@ -290,6 +291,13 @@ static int ivtv_api_call(struct ivtv *itv, int cmd, int args, u32 data[])
 	/* Get results */
 	then = jiffies;
 
+	if (!(flags & API_NO_POLL)) {
+		/* First try to poll, then switch to delays */
+		for (i = 0; i < 100; i++) {
+			if (readl(&mbox->flags) & IVTV_MBOX_FIRMWARE_DONE)
+				break;
+		}
+	}
 	while (!(readl(&mbox->flags) & IVTV_MBOX_FIRMWARE_DONE)) {
 		if (jiffies - then > api_timeout) {
 			IVTV_DEBUG_WARN("Could not get result (%s)\n", api_info[cmd].name);
@@ -301,7 +309,7 @@ static int ivtv_api_call(struct ivtv *itv, int cmd, int args, u32 data[])
 		if (flags & API_NO_WAIT_RES)
 			mdelay(1);
 		else
-			ivtv_msleep_timeout(10, 0);
+			ivtv_msleep_timeout(1, 0);
 	}
 	if (jiffies - then > msecs_to_jiffies(100))
 		IVTV_DEBUG_WARN("%s took %u jiffies\n",
diff --git a/linux/drivers/media/video/ivtv/ivtv-streams.c b/linux/drivers/media/video/ivtv/ivtv-streams.c
index 322b347b6..405e2e3fc 100644
--- a/linux/drivers/media/video/ivtv/ivtv-streams.c
+++ b/linux/drivers/media/video/ivtv/ivtv-streams.c
@@ -314,15 +314,6 @@ static void ivtv_vbi_setup(struct ivtv *itv)
 	int lines;
 	int i;
 
-	/* If Embed then streamtype must be Program */
-	/* TODO: should we really do this? */
-	if (0 && !raw && itv->vbi.insert_mpeg) {
-		itv->params.stream_type = 0;
-
-		/* assign stream type */
-		ivtv_vapi(itv, CX2341X_ENC_SET_STREAM_TYPE, 1, itv->params.stream_type);
-	}
-
 	/* Reset VBI */
 	ivtv_vapi(itv, CX2341X_ENC_SET_VBI_LINE, 5, 0xffff , 0, 0, 0, 0);
 
@@ -603,10 +594,6 @@ static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s)
 
 	IVTV_DEBUG_INFO("Setting some initial decoder settings\n");
 
-	/* disable VBI signals, if the MPEG stream contains VBI data,
-	   then that data will be processed automatically for you. */
-	ivtv_disable_vbi(itv);
-
 	/* set audio mode to left/stereo  for dual/stereo mode. */
 	ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
 
@@ -639,7 +626,7 @@ static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s)
 	}
 	if (ivtv_vapi(itv, CX2341X_DEC_SET_DECODER_SOURCE, 4, datatype,
 			itv->params.width, itv->params.height, itv->params.audio_properties)) {
-		IVTV_DEBUG_WARN("COULDN'T INITIALIZE DECODER SOURCE\n");
+		IVTV_DEBUG_WARN("Couldn't initialize decoder source\n");
 	}
 	return 0;
 }
@@ -909,11 +896,6 @@ int ivtv_stop_v4l2_decode_stream(struct ivtv_stream *s, int flags, u64 pts)
 	clear_bit(IVTV_F_S_STREAMING, &s->s_flags);
 	ivtv_flush_queues(s);
 
-	if (!test_bit(IVTV_F_S_PASSTHROUGH, &s->s_flags)) {
-		/* disable VBI on TV-out */
-		ivtv_disable_vbi(itv);
-	}
-
 	/* decrement decoding */
 	atomic_dec(&itv->decoding);