Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb:
  V4L/DVB (5751): Ivtv: fix ia64 printk format warnings.
  V4L/DVB (5761): Fix broken b2c2 dependency on non x86 architectures
  V4L/DVB (5673): Fix audio stuttering for saa711x/ivtv when in radio mode.
  V4L/DVB (5736): Add V4L2_FBUF_CAP/FLAG_LOCAL/GLOBAL_INV_ALPHA
  V4L/DVB (5732): Add ivtv CROPCAP support and fix ivtv S_CROP for video output.
  V4L/DVB (5730): Remove unused V4L2_CAP_VIDEO_OUTPUT_POS
  V4L/DVB (5720): Usbvision: fix urb allocation and submits
  V4L/DVB (5716): Tda10086,tda826x: fix tuning, STR/SNR values
  V4L/DVB (5675): Move big PIO accesses from the interrupt handler to a workhandler
  V4L/DVB (5699): Cinergyt2: fix file release handler
  V4L/DVB (5700): Saa7111: fix picture settings cache bug
  V4L/DVB (5702): Fix Kconfig items to avoid linkedition errors

20 files changed, 363 insertions, 167 deletions

diff --git a/drivers/media/common/Kconfig b/drivers/media/common/Kconfig
index c120114c241b..5c63c8e24ee7 100644
--- a/drivers/media/common/Kconfig
+++ b/drivers/media/common/Kconfig
@@ -4,5 +4,6 @@ config VIDEO_SAA7146
 
 config VIDEO_SAA7146_VV
 	tristate
+	depends on VIDEO_DEV
 	select VIDEO_BUF
 	select VIDEO_SAA7146
diff --git a/drivers/media/dvb/b2c2/Makefile b/drivers/media/dvb/b2c2/Makefile
index 1a1c3bca55fa..bff00b58bf65 100644
--- a/drivers/media/dvb/b2c2/Makefile
+++ b/drivers/media/dvb/b2c2/Makefile
@@ -1,8 +1,11 @@
 b2c2-flexcop-objs = flexcop.o flexcop-fe-tuner.o flexcop-i2c.o \
-	flexcop-sram.o flexcop-eeprom.o flexcop-misc.o flexcop-hw-filter.o \
-	flexcop-dma.o
+	flexcop-sram.o flexcop-eeprom.o flexcop-misc.o flexcop-hw-filter.o
 obj-$(CONFIG_DVB_B2C2_FLEXCOP) += b2c2-flexcop.o
 
+ifneq ($(CONFIG_DVB_B2C2_FLEXCOP_PCI),)
+b2c2-flexcop-objs += flexcop-dma.o
+endif
+
 b2c2-flexcop-pci-objs = flexcop-pci.o
 obj-$(CONFIG_DVB_B2C2_FLEXCOP_PCI) += b2c2-flexcop-pci.o
 
diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c
index 34d7abc900d7..6aba5b39ed14 100644
--- a/drivers/media/dvb/cinergyT2/cinergyT2.c
+++ b/drivers/media/dvb/cinergyT2/cinergyT2.c
@@ -519,8 +519,7 @@ static int cinergyt2_release (struct inode *inode, struct file *file)
 	struct dvb_device *dvbdev = file->private_data;
 	struct cinergyt2 *cinergyt2 = dvbdev->priv;
 
-	if (mutex_lock_interruptible(&cinergyt2->sem))
-		return -ERESTARTSYS;
+	mutex_lock(&cinergyt2->sem);
 
 	if (!cinergyt2->disconnect_pending && (file->f_flags & O_ACCMODE) != O_RDONLY) {
 		cancel_delayed_work(&cinergyt2->query_work);
diff --git a/drivers/media/dvb/frontends/tda10086.c b/drivers/media/dvb/frontends/tda10086.c
index ccc429cbbad0..0f2d4b415560 100644
--- a/drivers/media/dvb/frontends/tda10086.c
+++ b/drivers/media/dvb/frontends/tda10086.c
@@ -41,6 +41,7 @@ struct tda10086_state {
 	/* private demod data */
 	u32 frequency;
 	u32 symbol_rate;
+	bool has_lock;
 };
 
 static int debug = 0;
@@ -116,7 +117,7 @@ static int tda10086_init(struct dvb_frontend* fe)
 	// misc setup
 	tda10086_write_byte(state, 0x01, 0x94);
 	tda10086_write_byte(state, 0x02, 0x35); // NOTE: TT drivers appear to disable CSWP
-	tda10086_write_byte(state, 0x03, 0x64);
+	tda10086_write_byte(state, 0x03, 0xe4);
 	tda10086_write_byte(state, 0x04, 0x43);
 	tda10086_write_byte(state, 0x0c, 0x0c);
 	tda10086_write_byte(state, 0x1b, 0xb0); // noise threshold
@@ -146,7 +147,7 @@ static int tda10086_init(struct dvb_frontend* fe)
 	// setup AGC
 	tda10086_write_byte(state, 0x05, 0x0B);
 	tda10086_write_byte(state, 0x37, 0x63);
-	tda10086_write_byte(state, 0x3f, 0x03); // NOTE: flydvb uses 0x0a and varies it
+	tda10086_write_byte(state, 0x3f, 0x0a); // NOTE: flydvb varies it
 	tda10086_write_byte(state, 0x40, 0x64);
 	tda10086_write_byte(state, 0x41, 0x4f);
 	tda10086_write_byte(state, 0x42, 0x43);
@@ -398,6 +399,10 @@ static int tda10086_set_frontend(struct dvb_frontend* fe,
 
 	dprintk ("%s\n", __FUNCTION__);
 
+	// modify parameters for tuning
+	tda10086_write_byte(state, 0x02, 0x35);
+	state->has_lock = false;
+
 	// set params
 	if (fe->ops.tuner_ops.set_params) {
 		fe->ops.tuner_ops.set_params(fe, fe_params);
@@ -542,8 +547,14 @@ static int tda10086_read_status(struct dvb_frontend* fe, fe_status_t *fe_status)
 		*fe_status |= FE_HAS_VITERBI;
 	if (val & 0x08)
 		*fe_status |= FE_HAS_SYNC;
-	if (val & 0x10)
+	if (val & 0x10) {
 		*fe_status |= FE_HAS_LOCK;
+		if (!state->has_lock) {
+			state->has_lock = true;
+			// modify parameters for stable reception
+			tda10086_write_byte(state, 0x02, 0x00);
+		}
+	}
 
 	return 0;
 }
@@ -555,7 +566,7 @@ static int tda10086_read_signal_strength(struct dvb_frontend* fe, u16 * signal)
 
 	dprintk ("%s\n", __FUNCTION__);
 
-	_str = tda10086_read_byte(state, 0x43);
+	_str = 0xff - tda10086_read_byte(state, 0x43);
 	*signal = (_str << 8) | _str;
 
 	return 0;
@@ -568,7 +579,7 @@ static int tda10086_read_snr(struct dvb_frontend* fe, u16 * snr)
 
 	dprintk ("%s\n", __FUNCTION__);
 
-	_snr = tda10086_read_byte(state, 0x1c);
+	_snr = 0xff - tda10086_read_byte(state, 0x1c);
 	*snr = (_snr << 8) | _snr;
 
 	return 0;
diff --git a/drivers/media/dvb/frontends/tda826x.c b/drivers/media/dvb/frontends/tda826x.c
index 79f971dc52b6..bd3ebc284835 100644
--- a/drivers/media/dvb/frontends/tda826x.c
+++ b/drivers/media/dvb/frontends/tda826x.c
@@ -89,8 +89,8 @@ static int tda826x_set_params(struct dvb_frontend *fe, struct dvb_frontend_param
 	buf[2] = (1<<5) | 0x0b; // 1Mhz + 0.45 VCO
 	buf[3] = div >> 7;
 	buf[4] = div << 1;
-	buf[5] = 0xff; // basedband filter to max
-	buf[6] = 0xfe; // gains at max + no RF attenuation
+	buf[5] = 0x77; // baseband cut-off 19 MHz
+	buf[6] = 0xfe; // baseband gain 9 db + no RF attenuation
 	buf[7] = 0x83; // charge pumps at high, tests off
 	buf[8] = 0x80; // recommended value 4 for AMPVCO + disable ports.
 	buf[9] = 0x1a; // normal caltime + recommended values for SELTH + SELVTL
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index 5cb3f54b548b..4cca55170e21 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -347,7 +347,7 @@ endmenu # encoder / decoder chips
 
 config VIDEO_VIVI
 	tristate "Virtual Video Driver"
-	depends on VIDEO_V4L2 && !SPARC32 && !SPARC64 && PCI
+	depends on VIDEO_V4L2 && !SPARC32 && !SPARC64 && PCI && VIDEO_DEV
 	select VIDEO_BUF
 	default n
 	---help---
diff --git a/drivers/media/video/ivtv/ivtv-cards.h b/drivers/media/video/ivtv/ivtv-cards.h
index 15012f88b802..91e9e90c14a5 100644
--- a/drivers/media/video/ivtv/ivtv-cards.h
+++ b/drivers/media/video/ivtv/ivtv-cards.h
@@ -86,7 +86,7 @@
 			  V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | V4L2_CAP_VBI_CAPTURE | \
 			  V4L2_CAP_SLICED_VBI_CAPTURE)
 #define IVTV_CAP_DECODER (V4L2_CAP_VBI_OUTPUT | V4L2_CAP_VIDEO_OUTPUT | \
-			  V4L2_CAP_SLICED_VBI_OUTPUT | V4L2_CAP_VIDEO_OUTPUT_OVERLAY | V4L2_CAP_VIDEO_OUTPUT_POS)
+			  V4L2_CAP_SLICED_VBI_OUTPUT | V4L2_CAP_VIDEO_OUTPUT_OVERLAY)
 
 struct ivtv_card_video_input {
 	u8  video_type; 	/* video input type */
diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c
index e29f949adf57..efc66355339a 100644
--- a/drivers/media/video/ivtv/ivtv-driver.c
+++ b/drivers/media/video/ivtv/ivtv-driver.c
@@ -652,6 +652,7 @@ static int __devinit ivtv_init_struct1(struct ivtv *itv)
 	itv->dma_timer.data = (unsigned long)itv;
 
 	itv->cur_dma_stream = -1;
+	itv->cur_pio_stream = -1;
 	itv->audio_stereo_mode = AUDIO_STEREO;
 	itv->audio_bilingual_mode = AUDIO_MONO_LEFT;
 
diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h
index 552f04511ead..e6e56f175f3f 100644
--- a/drivers/media/video/ivtv/ivtv-driver.h
+++ b/drivers/media/video/ivtv/ivtv-driver.h
@@ -237,6 +237,7 @@ extern const u32 yuv_offset[4];
 #define IVTV_IRQ_ENC_VBI_CAP		(0x1 << 29)
 #define IVTV_IRQ_ENC_VIM_RST		(0x1 << 28)
 #define IVTV_IRQ_ENC_DMA_COMPLETE	(0x1 << 27)
+#define IVTV_IRQ_ENC_PIO_COMPLETE	(0x1 << 25)
 #define IVTV_IRQ_DEC_AUD_MODE_CHG	(0x1 << 24)
 #define IVTV_IRQ_DEC_DATA_REQ		(0x1 << 22)
 #define IVTV_IRQ_DEC_DMA_COMPLETE	(0x1 << 20)
@@ -247,7 +248,8 @@ extern const u32 yuv_offset[4];
 #define IVTV_IRQ_DEC_VSYNC		(0x1 << 10)
 
 /* IRQ Masks */
-#define IVTV_IRQ_MASK_INIT (IVTV_IRQ_DMA_ERR|IVTV_IRQ_ENC_DMA_COMPLETE|IVTV_IRQ_DMA_READ)
+#define IVTV_IRQ_MASK_INIT (IVTV_IRQ_DMA_ERR|IVTV_IRQ_ENC_DMA_COMPLETE|\
+		IVTV_IRQ_DMA_READ|IVTV_IRQ_ENC_PIO_COMPLETE)
 
 #define IVTV_IRQ_MASK_CAPTURE (IVTV_IRQ_ENC_START_CAP | IVTV_IRQ_ENC_EOS)
 #define IVTV_IRQ_MASK_DECODE  (IVTV_IRQ_DEC_DATA_REQ|IVTV_IRQ_DEC_AUD_MODE_CHG)
@@ -374,6 +376,9 @@ struct ivtv_mailbox_data {
 #define IVTV_F_S_STREAMOFF	7	/* signal end of stream EOS */
 #define IVTV_F_S_APPL_IO        8	/* this stream is used read/written by an application */
 
+#define IVTV_F_S_PIO_PENDING	9	/* this stream has pending PIO */
+#define IVTV_F_S_PIO_HAS_VBI	1       /* the current PIO request also requests VBI data */
+
 /* per-ivtv, i_flags */
 #define IVTV_F_I_DMA		   0 	/* DMA in progress */
 #define IVTV_F_I_UDMA		   1 	/* UDMA in progress */
@@ -390,8 +395,11 @@ struct ivtv_mailbox_data {
 #define IVTV_F_I_DECODING_YUV	   12 	/* this stream is YUV frame decoding */
 #define IVTV_F_I_ENC_PAUSED	   13 	/* the encoder is paused */
 #define IVTV_F_I_VALID_DEC_TIMINGS 14 	/* last_dec_timing is valid */
-#define IVTV_F_I_WORK_HANDLER_VBI  15	/* there is work to be done for VBI */
-#define IVTV_F_I_WORK_HANDLER_YUV  16	/* there is work to be done for YUV */
+#define IVTV_F_I_HAVE_WORK  	   15	/* Used in the interrupt handler: there is work to be done */
+#define IVTV_F_I_WORK_HANDLER_VBI  16	/* there is work to be done for VBI */
+#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 */
 
 /* Event notifications */
 #define IVTV_F_I_EV_DEC_STOPPED	   28	/* decoder stopped event */
@@ -484,6 +492,7 @@ struct ivtv_stream {
 
 	/* Base Dev SG Array for cx23415/6 */
 	struct ivtv_SG_element *SGarray;
+	struct ivtv_SG_element *PIOarray;
 	dma_addr_t SG_handle;
 	int SG_length;
 
@@ -706,6 +715,7 @@ struct ivtv {
 	atomic_t decoding;	/* count number of active decoding streams */
 	u32 irq_rr_idx; /* Round-robin stream index */
 	int cur_dma_stream;	/* index of stream doing DMA */
+	int cur_pio_stream;	/* index of stream doing PIO */
 	u32 dma_data_req_offset;
 	u32 dma_data_req_size;
 	int output_mode;        /* NONE, MPG, YUV, UDMA YUV, passthrough */
diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c
index 8976487a65f3..555d5e6369c3 100644
--- a/drivers/media/video/ivtv/ivtv-fileops.c
+++ b/drivers/media/video/ivtv/ivtv-fileops.c
@@ -32,6 +32,8 @@
 #include "ivtv-yuv.h"
 #include "ivtv-controls.h"
 #include "ivtv-ioctl.h"
+#include "ivtv-cards.h"
+#include <media/saa7115.h>
 
 /* This function tries to claim the stream for a specific file descriptor.
    If no one else is using this stream then the stream is claimed and
@@ -786,6 +788,13 @@ int ivtv_v4l2_close(struct inode *inode, struct file *filp)
 		ivtv_call_i2c_clients(itv, VIDIOC_S_STD, &itv->std);
 		/* Select correct audio input (i.e. TV tuner or Line in) */
 		ivtv_audio_set_io(itv);
+		if (itv->hw_flags & IVTV_HW_SAA711X)
+		{
+			struct v4l2_crystal_freq crystal_freq;
+			crystal_freq.freq = SAA7115_FREQ_32_11_MHZ;
+			crystal_freq.flags = 0;
+			ivtv_saa7115(itv, VIDIOC_INT_S_CRYSTAL_FREQ, &crystal_freq);
+		}
 		/* Done! Unmute and continue. */
 		ivtv_unmute(itv);
 		ivtv_release_stream(s);
@@ -872,6 +881,13 @@ int ivtv_v4l2_open(struct inode *inode, struct file *filp)
 		set_bit(IVTV_F_I_RADIO_USER, &itv->i_flags);
 		/* Select the correct audio input (i.e. radio tuner) */
 		ivtv_audio_set_io(itv);
+		if (itv->hw_flags & IVTV_HW_SAA711X)
+		{
+			struct v4l2_crystal_freq crystal_freq;
+			crystal_freq.freq = SAA7115_FREQ_32_11_MHZ;
+			crystal_freq.flags = SAA7115_FREQ_FL_APLL;
+			ivtv_saa7115(itv, VIDIOC_INT_S_CRYSTAL_FREQ, &crystal_freq);
+		}
 		/* Done! Unmute and continue. */
 		ivtv_unmute(itv);
 	}
diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index 1989ec1cb973..57af1762de1f 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -532,11 +532,6 @@ static int ivtv_try_or_set_fmt(struct ivtv *itv, int streamtype,
 				itv->yuv_info.yuv_forced_update = 1;
 				return 0;
 			}
-			if (!ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
-				 r.width, r.height, r.left, r.top))
-				itv->main_rect = r;
-			else
-				return -EINVAL;
 		}
 		return 0;
 	}
@@ -799,9 +794,39 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
 		return ivtv_get_fmt(itv, id->type, fmt);
 	}
 
+	case VIDIOC_CROPCAP: {
+		struct v4l2_cropcap *cropcap = arg;
+
+		if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+		    cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+			return -EINVAL;
+		cropcap->bounds.top = cropcap->bounds.left = 0;
+		cropcap->bounds.width = 720;
+		if (cropcap->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+			cropcap->bounds.height = itv->is_50hz ? 576 : 480;
+			cropcap->pixelaspect.numerator = itv->is_50hz ? 59 : 10;
+			cropcap->pixelaspect.denominator = itv->is_50hz ? 54 : 11;
+		} else {
+			cropcap->bounds.height = itv->is_out_50hz ? 576 : 480;
+			cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
+			cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
+		}
+		cropcap->defrect = cropcap->bounds;
+		return 0;
+	}
+
 	case VIDIOC_S_CROP: {
 		struct v4l2_crop *crop = arg;
 
+		if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
+		    (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
+			if (!ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
+				 crop->c.width, crop->c.height, crop->c.left, crop->c.top)) {
+				itv->main_rect = crop->c;
+				return 0;
+			}
+			return -EINVAL;
+		}
 		if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 			return -EINVAL;
 		return itv->video_dec_func(itv, VIDIOC_S_CROP, arg);
@@ -810,6 +835,11 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
 	case VIDIOC_G_CROP: {
 		struct v4l2_crop *crop = arg;
 
+		if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
+		    (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
+			crop->c = itv->main_rect;
+			return 0;
+		}
 		if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 			return -EINVAL;
 		return itv->video_dec_func(itv, VIDIOC_G_CROP, arg);
@@ -977,7 +1007,7 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
 		if (itv->hw_flags & IVTV_HW_CX25840) {
 			itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284;
 		}
-		IVTV_DEBUG_INFO("Switching standard to %llx.\n", itv->std);
+		IVTV_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)itv->std);
 
 		/* Tuner */
 		ivtv_call_i2c_clients(itv, VIDIOC_S_STD, &itv->std);
@@ -1207,7 +1237,7 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
 					(s->buffers - s->q_free.buffers) * 100 / s->buffers,
 					(s->buffers * s->buf_size) / 1024, s->buffers);
 		}
-		IVTV_INFO("Read MPEG/VBI: %lld/%lld bytes\n", itv->mpg_data_received, itv->vbi_data_inserted);
+		IVTV_INFO("Read MPEG/VBI: %lld/%lld bytes\n", (long long)itv->mpg_data_received, (long long)itv->vbi_data_inserted);
 		IVTV_INFO("==================  END STATUS CARD #%d  ==================\n", itv->num);
 		break;
 	}
@@ -1455,6 +1485,7 @@ static int ivtv_v4l2_do_ioctl(struct inode *inode, struct file *filp,
 	case VIDIOC_S_FMT:
 	case VIDIOC_TRY_FMT:
 	case VIDIOC_ENUM_FMT:
+	case VIDIOC_CROPCAP:
 	case VIDIOC_G_CROP:
 	case VIDIOC_S_CROP:
 	case VIDIOC_G_FREQUENCY:
diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c
index c3a047b381b3..ba98bf054f2e 100644
--- a/drivers/media/video/ivtv/ivtv-irq.c
+++ b/drivers/media/video/ivtv/ivtv-irq.c
@@ -31,8 +31,6 @@
 
 #define DMA_MAGIC_COOKIE 0x000001fe
 
-#define SLICED_VBI_PIO 1
-
 static void ivtv_dma_dec_start(struct ivtv_stream *s);
 
 static const int ivtv_stream_map[] = {
@@ -42,12 +40,40 @@ static const int ivtv_stream_map[] = {
 	IVTV_ENC_STREAM_TYPE_VBI,
 };
 
-static inline int ivtv_use_pio(struct ivtv_stream *s)
+
+static void ivtv_pio_work_handler(struct ivtv *itv)
 {
-	struct ivtv *itv = s->itv;
+	struct ivtv_stream *s = &itv->streams[itv->cur_pio_stream];
+	struct ivtv_buffer *buf;
+	struct list_head *p;
+	int i = 0;
+
+	IVTV_DEBUG_DMA("ivtv_pio_work_handler\n");
+	if (itv->cur_pio_stream < 0 || itv->cur_pio_stream >= IVTV_MAX_STREAMS ||
+			s->v4l2dev == NULL || !ivtv_use_pio(s)) {
+		itv->cur_pio_stream = -1;
+		/* trigger PIO complete user interrupt */
+		write_reg(IVTV_IRQ_ENC_PIO_COMPLETE, 0x44);
+		return;
+	}
+	IVTV_DEBUG_DMA("Process PIO %s\n", s->name);
+	buf = list_entry(s->q_dma.list.next, struct ivtv_buffer, list);
+	list_for_each(p, &s->q_dma.list) {
+		struct ivtv_buffer *buf = list_entry(p, struct ivtv_buffer, list);
+		u32 size = s->PIOarray[i].size & 0x3ffff;
 
-	return s->dma == PCI_DMA_NONE ||
-	    (SLICED_VBI_PIO && s->type == IVTV_ENC_STREAM_TYPE_VBI && itv->vbi.sliced_in->service_set);
+		/* Copy the data from the card to the buffer */
+		if (s->type == IVTV_DEC_STREAM_TYPE_VBI) {
+			memcpy_fromio(buf->buf, itv->dec_mem + s->PIOarray[i].src - IVTV_DECODER_OFFSET, size);
+		}
+		else {
+			memcpy_fromio(buf->buf, itv->enc_mem + s->PIOarray[i].src, size);
+		}
+		if (s->PIOarray[i].size & 0x80000000)
+			break;
+		i++;
+	}
+	write_reg(IVTV_IRQ_ENC_PIO_COMPLETE, 0x44);
 }
 
 void ivtv_irq_work_handler(struct work_struct *work)
@@ -56,8 +82,11 @@ void ivtv_irq_work_handler(struct work_struct *work)
 
 	DEFINE_WAIT(wait);
 
+	if (test_and_clear_bit(IVTV_F_I_WORK_HANDLER_PIO, &itv->i_flags))
+		ivtv_pio_work_handler(itv);
+
 	if (test_and_clear_bit(IVTV_F_I_WORK_HANDLER_VBI, &itv->i_flags))
-		vbi_work_handler(itv);
+		ivtv_vbi_work_handler(itv);
 
 	if (test_and_clear_bit(IVTV_F_I_WORK_HANDLER_YUV, &itv->i_flags))
 		ivtv_yuv_work_handler(itv);
@@ -173,8 +202,7 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
 	}
 	s->buffers_stolen = rc;
 
-	/* got the buffers, now fill in SGarray (DMA) or copy the data from the card
-	   to the buffers (PIO). */
+	/* got the buffers, now fill in SGarray (DMA) */
 	buf = list_entry(s->q_predma.list.next, struct ivtv_buffer, list);
 	memset(buf->buf, 0, 128);
 	list_for_each(p, &s->q_predma.list) {
@@ -182,21 +210,11 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
 
 		if (skip_bufs-- > 0)
 			continue;
-		if (!ivtv_use_pio(s)) {
-			s->SGarray[idx].dst = cpu_to_le32(buf->dma_handle);
-			s->SGarray[idx].src = cpu_to_le32(offset);
-			s->SGarray[idx].size = cpu_to_le32(s->buf_size);
-		}
+		s->SGarray[idx].dst = cpu_to_le32(buf->dma_handle);
+		s->SGarray[idx].src = cpu_to_le32(offset);
+		s->SGarray[idx].size = cpu_to_le32(s->buf_size);
 		buf->bytesused = (size < s->buf_size) ? size : s->buf_size;
 
-		/* If PIO, then copy the data from the card to the buffer */
-		if (s->type == IVTV_DEC_STREAM_TYPE_VBI) {
-			memcpy_fromio(buf->buf, itv->dec_mem + offset - IVTV_DECODER_OFFSET, buf->bytesused);
-		}
-		else if (ivtv_use_pio(s)) {
-			memcpy_fromio(buf->buf, itv->enc_mem + offset, buf->bytesused);
-		}
-
 		s->q_predma.bytesused += buf->bytesused;
 		size -= buf->bytesused;
 		offset += s->buf_size;
@@ -224,11 +242,6 @@ static void dma_post(struct ivtv_stream *s)
 	u32 *u32buf;
 	int x = 0;
 
-	if (ivtv_use_pio(s)) {
-		if (s->q_predma.bytesused)
-			ivtv_queue_move(s, &s->q_predma, NULL, &s->q_dma, s->q_predma.bytesused);
-		s->SG_length = 0;
-	}
 	IVTV_DEBUG_DMA("%s %s completed (%x)\n", ivtv_use_pio(s) ? "PIO" : "DMA",
 			s->name, s->dma_offset);
 	list_for_each(p, &s->q_dma.list) {
@@ -278,10 +291,14 @@ static void dma_post(struct ivtv_stream *s)
 	if (buf)
 		buf->bytesused += s->dma_last_offset;
 	if (buf && s->type == IVTV_DEC_STREAM_TYPE_VBI) {
-		/* Parse and Groom VBI Data */
-		s->q_dma.bytesused -= buf->bytesused;
-		ivtv_process_vbi_data(itv, buf, 0, s->type);
-		s->q_dma.bytesused += buf->bytesused;
+		list_for_each(p, &s->q_dma.list) {
+			buf = list_entry(p, struct ivtv_buffer, list);
+
+			/* Parse and Groom VBI Data */
+			s->q_dma.bytesused -= buf->bytesused;
+			ivtv_process_vbi_data(itv, buf, 0, s->type);
+			s->q_dma.bytesused += buf->bytesused;
+		}
 		if (s->id == -1) {
 			ivtv_queue_move(s, &s->q_dma, NULL, &s->q_free, 0);
 			return;
@@ -351,10 +368,14 @@ static void ivtv_dma_enc_start(struct ivtv_stream *s)
 	struct ivtv_stream *s_vbi = &itv->streams[IVTV_ENC_STREAM_TYPE_VBI];
 	int i;
 
+	IVTV_DEBUG_DMA("start %s for %s\n", ivtv_use_dma(s) ? "DMA" : "PIO", s->name);
+
 	if (s->q_predma.bytesused)
 		ivtv_queue_move(s, &s->q_predma, NULL, &s->q_dma, s->q_predma.bytesused);
-	IVTV_DEBUG_DMA("start DMA for %s\n", s->name);
-	s->SGarray[s->SG_length - 1].size = cpu_to_le32(le32_to_cpu(s->SGarray[s->SG_length - 1].size) + 256);
+
+	if (ivtv_use_dma(s))
+		s->SGarray[s->SG_length - 1].size =
+			cpu_to_le32(le32_to_cpu(s->SGarray[s->SG_length - 1].size) + 256);
 
 	/* If this is an MPEG stream, and VBI data is also pending, then append the
 	   VBI DMA to the MPEG DMA and transfer both sets of data at once.
@@ -368,7 +389,8 @@ static void ivtv_dma_enc_start(struct ivtv_stream *s)
 	if (s->type == IVTV_ENC_STREAM_TYPE_MPG && s_vbi->SG_length &&
 			s->SG_length + s_vbi->SG_length <= s->buffers) {
 		ivtv_queue_move(s_vbi, &s_vbi->q_predma, NULL, &s_vbi->q_dma, s_vbi->q_predma.bytesused);
-		s_vbi->SGarray[s_vbi->SG_length - 1].size = cpu_to_le32(le32_to_cpu(s_vbi->SGarray[s->SG_length - 1].size) + 256);
+		if (ivtv_use_dma(s_vbi))
+			s_vbi->SGarray[s_vbi->SG_length - 1].size = cpu_to_le32(le32_to_cpu(s_vbi->SGarray[s->SG_length - 1].size) + 256);
 		for (i = 0; i < s_vbi->SG_length; i++) {
 			s->SGarray[s->SG_length++] = s_vbi->SGarray[i];
 		}
@@ -381,14 +403,26 @@ static void ivtv_dma_enc_start(struct ivtv_stream *s)
 	/* Mark last buffer size for Interrupt flag */
 	s->SGarray[s->SG_length - 1].size |= cpu_to_le32(0x80000000);
 
-	/* Sync Hardware SG List of buffers */
-	ivtv_stream_sync_for_device(s);
-	write_reg(s->SG_handle, IVTV_REG_ENCDMAADDR);
-	write_reg_sync(read_reg(IVTV_REG_DMAXFER) | 0x02, IVTV_REG_DMAXFER);
-	set_bit(IVTV_F_I_DMA, &itv->i_flags);
-	itv->cur_dma_stream = s->type;
-	itv->dma_timer.expires = jiffies + HZ / 10;
-	add_timer(&itv->dma_timer);
+	if (ivtv_use_pio(s)) {
+		for (i = 0; i < s->SG_length; i++) {
+			s->PIOarray[i].src = le32_to_cpu(s->SGarray[i].src);
+			s->PIOarray[i].size = le32_to_cpu(s->SGarray[i].size);
+		}
+		set_bit(IVTV_F_I_WORK_HANDLER_PIO, &itv->i_flags);
+		set_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags);
+		set_bit(IVTV_F_I_PIO, &itv->i_flags);
+		itv->cur_pio_stream = s->type;
+	}
+	else {
+		/* Sync Hardware SG List of buffers */
+		ivtv_stream_sync_for_device(s);
+		write_reg(s->SG_handle, IVTV_REG_ENCDMAADDR);
+		write_reg_sync(read_reg(IVTV_REG_DMAXFER) | 0x02, IVTV_REG_DMAXFER);
+		set_bit(IVTV_F_I_DMA, &itv->i_flags);
+		itv->cur_dma_stream = s->type;
+		itv->dma_timer.expires = jiffies + HZ / 10;
+		add_timer(&itv->dma_timer);
+	}
 }
 
 static void ivtv_dma_dec_start(struct ivtv_stream *s)
@@ -489,6 +523,40 @@ static void ivtv_irq_enc_dma_complete(struct ivtv *itv)
 	wake_up(&itv->dma_waitq);
 }
 
+static void ivtv_irq_enc_pio_complete(struct ivtv *itv)
+{
+	struct ivtv_stream *s;
+
+	if (itv->cur_pio_stream < 0 || itv->cur_pio_stream >= IVTV_MAX_STREAMS) {
+		itv->cur_pio_stream = -1;
+		return;
+	}
+	s = &itv->streams[itv->cur_pio_stream];
+	IVTV_DEBUG_IRQ("ENC PIO COMPLETE %s\n", s->name);
+	s->SG_length = 0;
+	clear_bit(IVTV_F_I_ENC_VBI, &itv->i_flags);
+	clear_bit(IVTV_F_I_PIO, &itv->i_flags);
+	itv->cur_pio_stream = -1;
+	dma_post(s);
+	if (s->type == IVTV_ENC_STREAM_TYPE_MPG)
+		ivtv_vapi(itv, CX2341X_ENC_SCHED_DMA_TO_HOST, 3, 0, 0, 0);
+	else if (s->type == IVTV_ENC_STREAM_TYPE_YUV)
+		ivtv_vapi(itv, CX2341X_ENC_SCHED_DMA_TO_HOST, 3, 0, 0, 1);
+	else if (s->type == IVTV_ENC_STREAM_TYPE_PCM)
+		ivtv_vapi(itv, CX2341X_ENC_SCHED_DMA_TO_HOST, 3, 0, 0, 2);
+	clear_bit(IVTV_F_I_PIO, &itv->i_flags);
+	if (test_and_clear_bit(IVTV_F_S_DMA_HAS_VBI, &s->s_flags)) {
+		u32 tmp;
+
+		s = &itv->streams[IVTV_ENC_STREAM_TYPE_VBI];
+		tmp = s->dma_offset;
+		s->dma_offset = itv->vbi.dma_offset;
+		dma_post(s);
+		s->dma_offset = tmp;
+	}
+	wake_up(&itv->dma_waitq);
+}
+
 static void ivtv_irq_dma_err(struct ivtv *itv)
 {
 	u32 data[CX2341X_MBOX_MAX_DATA];
@@ -532,13 +600,7 @@ static void ivtv_irq_enc_start_cap(struct ivtv *itv)
 	clear_bit(IVTV_F_I_ENC_VBI, &itv->i_flags);
 	s = &itv->streams[ivtv_stream_map[data[0]]];
 	if (!stream_enc_dma_append(s, data)) {
-		if (ivtv_use_pio(s)) {
-			dma_post(s);
-			ivtv_vapi(itv, CX2341X_ENC_SCHED_DMA_TO_HOST, 3, 0, 0, data[0]);
-		}
-		else {
-			set_bit(IVTV_F_S_DMA_PENDING, &s->s_flags);
-		}
+		set_bit(ivtv_use_pio(s) ? IVTV_F_S_PIO_PENDING : IVTV_F_S_DMA_PENDING, &s->s_flags);
 	}
 }
 
@@ -551,15 +613,6 @@ static void ivtv_irq_enc_vbi_cap(struct ivtv *itv)
 	IVTV_DEBUG_IRQ("ENC START VBI CAP\n");
 	s = &itv->streams[IVTV_ENC_STREAM_TYPE_VBI];
 
-	if (ivtv_use_pio(s)) {
-		if (stream_enc_dma_append(s, data))
-			return;
-		if (s->q_predma.bytesused)
-			ivtv_queue_move(s, &s->q_predma, NULL, &s->q_dma, s->q_predma.bytesused);
-		s->SG_length = 0;
-		dma_post(s);
-		return;
-	}
 	/* If more than two VBI buffers are pending, then
 	   clear the old ones and start with this new one.
 	   This can happen during transition stages when MPEG capturing is
@@ -582,11 +635,11 @@ static void ivtv_irq_enc_vbi_cap(struct ivtv *itv)
 	if (!stream_enc_dma_append(s, data) &&
 			!test_bit(IVTV_F_S_STREAMING, &s_mpg->s_flags)) {
 		set_bit(IVTV_F_I_ENC_VBI, &itv->i_flags);
-		set_bit(IVTV_F_S_DMA_PENDING, &s->s_flags);
+		set_bit(ivtv_use_pio(s) ? IVTV_F_S_PIO_PENDING : IVTV_F_S_DMA_PENDING, &s->s_flags);
 	}
 }
 
-static void ivtv_irq_dev_vbi_reinsert(struct ivtv *itv)
+static void ivtv_irq_dec_vbi_reinsert(struct ivtv *itv)
 {
 	u32 data[CX2341X_MBOX_MAX_DATA];
 	struct ivtv_stream *s = &itv->streams[IVTV_DEC_STREAM_TYPE_VBI];
@@ -594,7 +647,7 @@ static void ivtv_irq_dev_vbi_reinsert(struct ivtv *itv)
 	IVTV_DEBUG_IRQ("DEC VBI REINSERT\n");
 	if (test_bit(IVTV_F_S_CLAIMED, &s->s_flags) &&
 			!stream_enc_dma_append(s, data)) {
-		dma_post(s);
+		set_bit(IVTV_F_S_PIO_PENDING, &s->s_flags);
 	}
 }
 
@@ -657,7 +710,6 @@ static void ivtv_irq_vsync(struct ivtv *itv)
 	}
 	if (frame != (itv->lastVsyncFrame & 1)) {
 		struct ivtv_stream *s = ivtv_get_output_stream(itv);
-		int work = 0;
 
 		itv->lastVsyncFrame += 1;
 		if (frame == 0) {
@@ -678,7 +730,7 @@ static void ivtv_irq_vsync(struct ivtv *itv)
 		/* Send VBI to saa7127 */
 		if (frame) {
 			set_bit(IVTV_F_I_WORK_HANDLER_VBI, &itv->i_flags);
-			work = 1;
+			set_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags);
 		}
 
 		/* Check if we need to update the yuv registers */
@@ -691,11 +743,9 @@ static void ivtv_irq_vsync(struct ivtv *itv)
 				itv->yuv_info.new_frame_info[last_dma_frame].update = 0;
 				itv->yuv_info.yuv_forced_update = 0;
 				set_bit(IVTV_F_I_WORK_HANDLER_YUV, &itv->i_flags);
-				work = 1;
+				set_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags);
 			}
 		}
-		if (work)
-			queue_work(itv->irq_work_queues, &itv->irq_work_queue);
 	}
 }
 
@@ -755,6 +805,10 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id)
 		ivtv_irq_enc_dma_complete(itv);
 	}
 
+	if (combo & IVTV_IRQ_ENC_PIO_COMPLETE) {
+		ivtv_irq_enc_pio_complete(itv);
+	}
+
 	if (combo & IVTV_IRQ_DMA_ERR) {
 		ivtv_irq_dma_err(itv);
 	}
@@ -768,7 +822,7 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id)
 	}
 
 	if (combo & IVTV_IRQ_DEC_VBI_RE_INSERT) {
-		ivtv_irq_dev_vbi_reinsert(itv);
+		ivtv_irq_dec_vbi_reinsert(itv);
 	}
 
 	if (combo & IVTV_IRQ_ENC_EOS) {
@@ -813,6 +867,22 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id)
 		}
 	}
 
+	if ((combo & IVTV_IRQ_DMA) && !test_bit(IVTV_F_I_PIO, &itv->i_flags)) {
+		for (i = 0; i < IVTV_MAX_STREAMS; i++) {
+			int idx = (i + itv->irq_rr_idx++) % IVTV_MAX_STREAMS;
+			struct ivtv_stream *s = &itv->streams[idx];
+
+			if (!test_and_clear_bit(IVTV_F_S_PIO_PENDING, &s->s_flags))
+				continue;
+			if (s->type == IVTV_DEC_STREAM_TYPE_VBI || s->type < IVTV_DEC_STREAM_TYPE_MPG)
+				ivtv_dma_enc_start(s);
+			break;
+		}
+	}
+
+	if (test_and_clear_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags))
+		queue_work(itv->irq_work_queues, &itv->irq_work_queue);
+
 	spin_unlock(&itv->dma_reg_lock);
 
 	/* If we've just handled a 'forced' vsync, it's safest to say it
diff --git a/drivers/media/video/ivtv/ivtv-queue.c b/drivers/media/video/ivtv/ivtv-queue.c
index ccfcef1ad91a..a04f9387f63d 100644
--- a/drivers/media/video/ivtv/ivtv-queue.c
+++ b/drivers/media/video/ivtv/ivtv-queue.c
@@ -195,14 +195,26 @@ int ivtv_stream_alloc(struct ivtv_stream *s)
 		s->dma != PCI_DMA_NONE ? "DMA " : "",
 		s->name, s->buffers, s->buf_size, s->buffers * s->buf_size / 1024);
 
-	/* Allocate DMA SG Arrays */
-	if (s->dma != PCI_DMA_NONE) {
-		s->SGarray = (struct ivtv_SG_element *)kzalloc(SGsize, GFP_KERNEL);
-		if (s->SGarray == NULL) {
-			IVTV_ERR("Could not allocate SGarray for %s stream\n", s->name);
+	if (ivtv_might_use_pio(s)) {
+		s->PIOarray = (struct ivtv_SG_element *)kzalloc(SGsize, GFP_KERNEL);
+		if (s->PIOarray == NULL) {
+			IVTV_ERR("Could not allocate PIOarray for %s stream\n", s->name);
 			return -ENOMEM;
 		}
-		s->SG_length = 0;
+	}
+
+	/* Allocate DMA SG Arrays */
+	s->SGarray = (struct ivtv_SG_element *)kzalloc(SGsize, GFP_KERNEL);
+	if (s->SGarray == NULL) {
+		IVTV_ERR("Could not allocate SGarray for %s stream\n", s->name);
+		if (ivtv_might_use_pio(s)) {
+			kfree(s->PIOarray);
+			s->PIOarray = NULL;
+		}
+		return -ENOMEM;
+	}
+	s->SG_length = 0;
+	if (ivtv_might_use_dma(s)) {
 		s->SG_handle = pci_map_single(itv->dev, s->SGarray, SGsize, s->dma);
 		ivtv_stream_sync_for_cpu(s);
 	}
@@ -219,7 +231,7 @@ int ivtv_stream_alloc(struct ivtv_stream *s)
 			break;
 		}
 		INIT_LIST_HEAD(&buf->list);
-		if (s->dma != PCI_DMA_NONE) {
+		if (ivtv_might_use_dma(s)) {
 			buf->dma_handle = pci_map_single(s->itv->dev,
 				buf->buf, s->buf_size + 256, s->dma);
 			ivtv_buf_sync_for_cpu(s, buf);
@@ -242,7 +254,7 @@ void ivtv_stream_free(struct ivtv_stream *s)
 
 	/* empty q_free */
 	while ((buf = ivtv_dequeue(s, &s->q_free))) {
-		if (s->dma != PCI_DMA_NONE)
+		if (ivtv_might_use_dma(s))
 			pci_unmap_single(s->itv->dev, buf->dma_handle,
 				s->buf_size + 256, s->dma);
 		kfree(buf->buf);
@@ -256,6 +268,9 @@ void ivtv_stream_free(struct ivtv_stream *s)
 				 sizeof(struct ivtv_SG_element) * s->buffers, PCI_DMA_TODEVICE);
 			s->SG_handle = IVTV_DMA_UNMAPPED;
 		}
+		kfree(s->SGarray);
+		kfree(s->PIOarray);
+		s->PIOarray = NULL;
 		s->SGarray = NULL;
 		s->SG_length = 0;
 	}
diff --git a/drivers/media/video/ivtv/ivtv-queue.h b/drivers/media/video/ivtv/ivtv-queue.h
index 903edd4b4381..2ed8d548255d 100644
--- a/drivers/media/video/ivtv/ivtv-queue.h
+++ b/drivers/media/video/ivtv/ivtv-queue.h
@@ -20,18 +20,43 @@
  */
 
 #define IVTV_DMA_UNMAPPED	((u32) -1)
+#define SLICED_VBI_PIO 1
 
 /* ivtv_buffer utility functions */
+
+static inline int ivtv_might_use_pio(struct ivtv_stream *s)
+{
+	return s->dma == PCI_DMA_NONE || (SLICED_VBI_PIO && s->type == IVTV_ENC_STREAM_TYPE_VBI);
+}
+
+static inline int ivtv_use_pio(struct ivtv_stream *s)
+{
+	struct ivtv *itv = s->itv;
+
+	return s->dma == PCI_DMA_NONE ||
+	    (SLICED_VBI_PIO && s->type == IVTV_ENC_STREAM_TYPE_VBI && itv->vbi.sliced_in->service_set);
+}
+
+static inline int ivtv_might_use_dma(struct ivtv_stream *s)
+{
+	return s->dma != PCI_DMA_NONE;
+}
+
+static inline int ivtv_use_dma(struct ivtv_stream *s)
+{
+	return !ivtv_use_pio(s);
+}
+
 static inline void ivtv_buf_sync_for_cpu(struct ivtv_stream *s, struct ivtv_buffer *buf)
 {
-	if (s->dma != PCI_DMA_NONE)
+	if (ivtv_use_dma(s))
 		pci_dma_sync_single_for_cpu(s->itv->dev, buf->dma_handle,
 				s->buf_size + 256, s->dma);
 }
 
 static inline void ivtv_buf_sync_for_device(struct ivtv_stream *s, struct ivtv_buffer *buf)
 {
-	if (s->dma != PCI_DMA_NONE)
+	if (ivtv_use_dma(s))
 		pci_dma_sync_single_for_device(s->itv->dev, buf->dma_handle,
 				s->buf_size + 256, s->dma);
 }
@@ -53,12 +78,14 @@ void ivtv_stream_free(struct ivtv_stream *s);
 
 static inline void ivtv_stream_sync_for_cpu(struct ivtv_stream *s)
 {
-	pci_dma_sync_single_for_cpu(s->itv->dev, s->SG_handle,
-		sizeof(struct ivtv_SG_element) * s->buffers, PCI_DMA_TODEVICE);
+	if (ivtv_use_dma(s))
+		pci_dma_sync_single_for_cpu(s->itv->dev, s->SG_handle,
+			sizeof(struct ivtv_SG_element) * s->buffers, PCI_DMA_TODEVICE);
 }
 
 static inline void ivtv_stream_sync_for_device(struct ivtv_stream *s)
 {
-	pci_dma_sync_single_for_device(s->itv->dev, s->SG_handle,
-		sizeof(struct ivtv_SG_element) * s->buffers, PCI_DMA_TODEVICE);
+	if (ivtv_use_dma(s))
+		pci_dma_sync_single_for_device(s->itv->dev, s->SG_handle,
+			sizeof(struct ivtv_SG_element) * s->buffers, PCI_DMA_TODEVICE);
 }
diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c
index 01a41a844a30..6af88ae9295f 100644
--- a/drivers/media/video/ivtv/ivtv-streams.c
+++ b/drivers/media/video/ivtv/ivtv-streams.c
@@ -868,7 +868,7 @@ int ivtv_stop_v4l2_decode_stream(struct ivtv_stream *s, int flags, u64 pts)
 	if (!test_bit(IVTV_F_S_STREAMING, &s->s_flags))
 		return 0;
 
-	IVTV_DEBUG_INFO("Stop Decode at %llu, flags: %x\n", pts, flags);
+	IVTV_DEBUG_INFO("Stop Decode at %llu, flags: %x\n", (unsigned long long)pts, flags);
 
 	/* Stop Decoder */
 	if (!(flags & VIDEO_CMD_STOP_IMMEDIATELY) || pts) {
diff --git a/drivers/media/video/ivtv/ivtv-vbi.c b/drivers/media/video/ivtv/ivtv-vbi.c
index 5efa5a867818..3ba46e07ea1f 100644
--- a/drivers/media/video/ivtv/ivtv-vbi.c
+++ b/drivers/media/video/ivtv/ivtv-vbi.c
@@ -450,7 +450,7 @@ void ivtv_disable_vbi(struct ivtv *itv)
 }
 
 
-void vbi_work_handler(struct ivtv *itv)
+void ivtv_vbi_work_handler(struct ivtv *itv)
 {
 	struct v4l2_sliced_vbi_data data;
 
diff --git a/drivers/media/video/ivtv/ivtv-vbi.h b/drivers/media/video/ivtv/ivtv-vbi.h
index cdaea697b3ec..ec211b49702c 100644
--- a/drivers/media/video/ivtv/ivtv-vbi.h
+++ b/drivers/media/video/ivtv/ivtv-vbi.h
@@ -23,4 +23,4 @@ void ivtv_process_vbi_data(struct ivtv *itv, struct ivtv_buffer *buf,
 int ivtv_used_line(struct ivtv *itv, int line, int field);
 void ivtv_disable_vbi(struct ivtv *itv);
 void ivtv_set_vbi(unsigned long arg);
-void vbi_work_handler(struct ivtv *itv);
+void ivtv_vbi_work_handler(struct ivtv *itv);
diff --git a/drivers/media/video/saa7111.c b/drivers/media/video/saa7111.c
index 74839f98b7c4..c1a392e47170 100644
--- a/drivers/media/video/saa7111.c
+++ b/drivers/media/video/saa7111.c
@@ -75,10 +75,6 @@ struct saa7111 {
 	int norm;
 	int input;
 	int enable;
-	int bright;
-	int contrast;
-	int hue;
-	int sat;
 };
 
 #define   I2C_SAA7111        0x48
@@ -96,6 +92,17 @@ saa7111_write (struct i2c_client *client,
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
+static inline void
+saa7111_write_if_changed(struct i2c_client *client, u8 reg, u8 value)
+{
+	struct saa7111 *decoder = i2c_get_clientdata(client);
+
+	if (decoder->reg[reg] != value) {
+		decoder->reg[reg] = value;
+		i2c_smbus_write_byte_data(client, reg, value);
+	}
+}
+
 static int
 saa7111_write_block (struct i2c_client *client,
 		     const u8          *data,
@@ -439,28 +446,14 @@ saa7111_command (struct i2c_client *client,
 	{
 		struct video_picture *pic = arg;
 
-		if (decoder->bright != pic->brightness) {
-			/* We want 0 to 255 we get 0-65535 */
-			decoder->bright = pic->brightness;
-			saa7111_write(client, 0x0a, decoder->bright >> 8);
-		}
-		if (decoder->contrast != pic->contrast) {
-			/* We want 0 to 127 we get 0-65535 */
-			decoder->contrast = pic->contrast;
-			saa7111_write(client, 0x0b,
-				      decoder->contrast >> 9);
-		}
-		if (decoder->sat != pic->colour) {
-			/* We want 0 to 127 we get 0-65535 */
-			decoder->sat = pic->colour;
-			saa7111_write(client, 0x0c, decoder->sat >> 9);
-		}
-		if (decoder->hue != pic->hue) {
-			/* We want -128 to 127 we get 0-65535 */
-			decoder->hue = pic->hue;
-			saa7111_write(client, 0x0d,
-				      (decoder->hue - 32768) >> 8);
-		}
+		/* We want 0 to 255 we get 0-65535 */
+		saa7111_write_if_changed(client, 0x0a, pic->brightness >> 8);
+		/* We want 0 to 127 we get 0-65535 */
+		saa7111_write(client, 0x0b, pic->contrast >> 9);
+		/* We want 0 to 127 we get 0-65535 */
+		saa7111_write(client, 0x0c, pic->colour >> 9);
+		/* We want -128 to 127 we get 0-65535 */
+		saa7111_write(client, 0x0d, (pic->hue - 32768) >> 8);
 	}
 		break;
 
@@ -524,10 +517,6 @@ saa7111_detect_client (struct i2c_adapter *adapter,
 	decoder->norm = VIDEO_MODE_NTSC;
 	decoder->input = 0;
 	decoder->enable = 1;
-	decoder->bright = 32768;
-	decoder->contrast = 32768;
-	decoder->hue = 32768;
-	decoder->sat = 32768;
 	i2c_set_clientdata(client, decoder);
 
 	i = i2c_attach_client(client);
diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c
index 9118a6227ea6..7df071eb0a3b 100644
--- a/drivers/media/video/usbvision/usbvision-core.c
+++ b/drivers/media/video/usbvision/usbvision-core.c
@@ -1414,6 +1414,11 @@ static void usbvision_isocIrq(struct urb *urb)
 	if (!USBVISION_IS_OPERATIONAL(usbvision))
 		return;
 
+	/* any urb with wrong status is ignored without acknowledgement */
+	if (urb->status == -ENOENT) {
+		return;
+	}
+
 	f = &usbvision->curFrame;
 
 	/* Manage streaming interruption */
@@ -1436,18 +1441,21 @@ static void usbvision_isocIrq(struct urb *urb)
 	if (usbvision->streaming == Stream_On) {
 
 		/* If we collected enough data let's parse! */
-		if (scratch_len(usbvision) > USBVISION_HEADER_LENGTH) {	/* 12 == header_length */
-			/*If we don't have a frame we're current working on, complain */
-			if(!list_empty(&(usbvision->inqueue))) {
-				if (!(*f)) {
-					(*f) = list_entry(usbvision->inqueue.next,struct usbvision_frame, frame);
-				}
-				usbvision_parse_data(usbvision);
-			}
-			else {
-				PDEBUG(DBG_IRQ, "received data, but no one needs it");
-				scratch_reset(usbvision);
+		if ((scratch_len(usbvision) > USBVISION_HEADER_LENGTH) &&
+		    (!list_empty(&(usbvision->inqueue))) ) {
+			if (!(*f)) {
+				(*f) = list_entry(usbvision->inqueue.next,
+						  struct usbvision_frame,
+						  frame);
 			}
+			usbvision_parse_data(usbvision);
+		}
+		else {
+			/*If we don't have a frame
+			  we're current working on, complain */
+			PDEBUG(DBG_IRQ,
+			       "received data, but no one needs it");
+			scratch_reset(usbvision);
 		}
 	}
 	else {
@@ -1466,10 +1474,10 @@ static void usbvision_isocIrq(struct urb *urb)
 	urb->dev = usbvision->dev;
 	errCode = usb_submit_urb (urb, GFP_ATOMIC);
 
-	/* Disable this warning.  By design of the driver. */
-	//	if(errCode) {
-	//		err("%s: usb_submit_urb failed: error %d", __FUNCTION__, errCode);
-	//	}
+	if(errCode) {
+		err("%s: usb_submit_urb failed: error %d",
+		    __FUNCTION__, errCode);
+	}
 
 	return;
 }
@@ -2394,7 +2402,7 @@ int usbvision_init_isoc(struct usb_usbvision *usbvision)
 {
 	struct usb_device *dev = usbvision->dev;
 	int bufIdx, errCode, regValue;
-	const int sb_size = USBVISION_URB_FRAMES * USBVISION_MAX_ISOC_PACKET_SIZE;
+	int sb_size;
 
 	if (!USBVISION_IS_OPERATIONAL(usbvision))
 		return -EFAULT;
@@ -2408,11 +2416,14 @@ int usbvision_init_isoc(struct usb_usbvision *usbvision)
 		usbvision->last_error = errCode;
 		return -EBUSY;
 	}
+	sb_size = USBVISION_URB_FRAMES * usbvision->isocPacketSize;
 
-	regValue = (16 - usbvision_read_reg(usbvision, USBVISION_ALTER_REG)) & 0x0F;
+	regValue = (16 - usbvision_read_reg(usbvision,
+					    USBVISION_ALTER_REG)) & 0x0F;
 
 	usbvision->usb_bandwidth = regValue >> 1;
-	PDEBUG(DBG_ISOC, "USB Bandwidth Usage: %dMbit/Sec", usbvision->usb_bandwidth);
+	PDEBUG(DBG_ISOC, "USB Bandwidth Usage: %dMbit/Sec",
+	       usbvision->usb_bandwidth);
 
 
 
@@ -2428,7 +2439,11 @@ int usbvision_init_isoc(struct usb_usbvision *usbvision)
 			return -ENOMEM;
 		}
 		usbvision->sbuf[bufIdx].urb = urb;
-		usbvision->sbuf[bufIdx].data = usb_buffer_alloc(usbvision->dev, sb_size, GFP_KERNEL,&urb->transfer_dma);
+		usbvision->sbuf[bufIdx].data =
+			usb_buffer_alloc(usbvision->dev,
+					 sb_size,
+					 GFP_KERNEL,
+					 &urb->transfer_dma);
 		urb->dev = dev;
 		urb->context = usbvision;
 		urb->pipe = usb_rcvisocpipe(dev, usbvision->video_endp);
@@ -2442,21 +2457,26 @@ int usbvision_init_isoc(struct usb_usbvision *usbvision)
 		for (j = k = 0; j < USBVISION_URB_FRAMES; j++,
 		     k += usbvision->isocPacketSize) {
 			urb->iso_frame_desc[j].offset = k;
-			urb->iso_frame_desc[j].length = usbvision->isocPacketSize;
+			urb->iso_frame_desc[j].length =
+				usbvision->isocPacketSize;
 		}
 	}
 
 
 	/* Submit all URBs */
 	for (bufIdx = 0; bufIdx < USBVISION_NUMSBUF; bufIdx++) {
-			errCode = usb_submit_urb(usbvision->sbuf[bufIdx].urb, GFP_KERNEL);
+			errCode = usb_submit_urb(usbvision->sbuf[bufIdx].urb,
+						 GFP_KERNEL);
 		if (errCode) {
-			err("%s: usb_submit_urb(%d) failed: error %d", __FUNCTION__, bufIdx, errCode);
+			err("%s: usb_submit_urb(%d) failed: error %d",
+			    __FUNCTION__, bufIdx, errCode);
 		}
 	}
 
 	usbvision->streaming = Stream_Idle;
-	PDEBUG(DBG_ISOC, "%s: streaming=1 usbvision->video_endp=$%02x", __FUNCTION__, usbvision->video_endp);
+	PDEBUG(DBG_ISOC, "%s: streaming=1 usbvision->video_endp=$%02x",
+	       __FUNCTION__,
+	       usbvision->video_endp);
 	return 0;
 }
 
@@ -2470,7 +2490,7 @@ int usbvision_init_isoc(struct usb_usbvision *usbvision)
 void usbvision_stop_isoc(struct usb_usbvision *usbvision)
 {
 	int bufIdx, errCode, regValue;
-	const int sb_size = USBVISION_URB_FRAMES * USBVISION_MAX_ISOC_PACKET_SIZE;
+	int sb_size = USBVISION_URB_FRAMES * usbvision->isocPacketSize;
 
 	if ((usbvision->streaming == Stream_Off) || (usbvision->dev == NULL))
 		return;
@@ -2499,15 +2519,19 @@ void usbvision_stop_isoc(struct usb_usbvision *usbvision)
 		errCode = usb_set_interface(usbvision->dev, usbvision->iface,
 					    usbvision->ifaceAlt);
 		if (errCode < 0) {
-			err("%s: usb_set_interface() failed: error %d", __FUNCTION__, errCode);
+			err("%s: usb_set_interface() failed: error %d",
+			    __FUNCTION__, errCode);
 			usbvision->last_error = errCode;
 		}
-		regValue = (16 - usbvision_read_reg(usbvision, USBVISION_ALTER_REG)) & 0x0F;
-		usbvision->isocPacketSize = (regValue == 0) ? 0 : (regValue * 64) - 1;
-		PDEBUG(DBG_ISOC, "ISO Packet Length:%d", usbvision->isocPacketSize);
+		regValue = (16-usbvision_read_reg(usbvision, USBVISION_ALTER_REG)) & 0x0F;
+		usbvision->isocPacketSize =
+			(regValue == 0) ? 0 : (regValue * 64) - 1;
+		PDEBUG(DBG_ISOC, "ISO Packet Length:%d",
+		       usbvision->isocPacketSize);
 
 		usbvision->usb_bandwidth = regValue >> 1;
-		PDEBUG(DBG_ISOC, "USB Bandwidth Usage: %dMbit/Sec", usbvision->usb_bandwidth);
+		PDEBUG(DBG_ISOC, "USB Bandwidth Usage: %dMbit/Sec",
+		       usbvision->usb_bandwidth);
 	}
 }
 
diff --git a/drivers/media/video/usbvision/usbvision.h b/drivers/media/video/usbvision/usbvision.h
index bd6f6422ed54..c759d00d7014 100644
--- a/drivers/media/video/usbvision/usbvision.h
+++ b/drivers/media/video/usbvision/usbvision.h
@@ -146,7 +146,6 @@
 #define USBVISION_CLIPMASK_SIZE		(MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT / 8) //bytesize of clipmask
 
 #define USBVISION_URB_FRAMES		32
-#define USBVISION_MAX_ISOC_PACKET_SIZE 	959			// NT1003 Specs Document says 1023
 
 #define USBVISION_NUM_HEADERMARKER	20
 #define USBVISION_NUMFRAMES		3  /* Maximum number of frames an application can get */