Merge branch 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6

* 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (87 commits)
  V4L/DVB: ivtv: Timing tweaks and code re-order to try and improve stability
  V4L/DVB: ivtv: Avoid accidental video standard change
  V4L/DVB: ivtvfb : Module load / unload fixes
  V4L/DVB: cx2341x: Report correct temporal setting for log-status
  V4L/DVB: cx18, cx23885, v4l2 doc, MAINTAINERS: Update Andy Walls' email address
  V4L/DVB: drivers/media: Eliminate a NULL pointer dereference
  V4L/DVB: dvb-core: Fix ULE decapsulation bug
  V4L/DVB: Bug fix: make IR work again for dm1105
  V4L/DVB: media/IR: nec-decoder needs to select BITREV
  V4L/DVB: video/saa7134: change dprintk() to i2cdprintk()
  V4L/DVB: video/saa7134: remove duplicate break
  V4L/DVB: IR/imon: add auto-config for 0xffdc rf device
  V4L/DVB: IR/imon: clean up usage of bools
  V4L/DVB: em28xx: remove unneeded null checks
  V4L/DVB: ngene: remove unused #include <linux/version.h>
  V4L/DVB: ak881x needs slab.h
  V4L/DVB: FusionHDTV: Use quick reads for I2C IR device probing
  V4L/DVB: Technotrend S2-3200 ships with a TT 1500 remote
  V4L/DVB: drivers/media: Use kzalloc
  V4L/DVB: m920x: Select simple tuner
  ...

7 files changed, 309 insertions, 88 deletions

diff --git a/drivers/staging/tm6000/Kconfig b/drivers/staging/tm6000/Kconfig
index 5fe759cc2ee9..3657e33e8817 100644
--- a/drivers/staging/tm6000/Kconfig
+++ b/drivers/staging/tm6000/Kconfig
@@ -2,7 +2,8 @@ config VIDEO_TM6000
 	tristate "TV Master TM5600/6000/6010 driver"
 	depends on VIDEO_DEV && I2C && INPUT && USB && EXPERIMENTAL
 	select VIDEO_TUNER
-	select TUNER_XC2028
+	select MEDIA_TUNER_XC2028
+	select MEDIA_TUNER_XC5000
 	select VIDEOBUF_VMALLOC
 	help
 	  Support for TM5600/TM6000/TM6010 USB Device
diff --git a/drivers/staging/tm6000/tm6000-alsa.c b/drivers/staging/tm6000/tm6000-alsa.c
index bc89f9d28002..ce081cd44ad4 100644
--- a/drivers/staging/tm6000/tm6000-alsa.c
+++ b/drivers/staging/tm6000/tm6000-alsa.c
@@ -410,5 +410,28 @@ error:
 	snd_card_free(card);
 	return rc;
 }
-EXPORT_SYMBOL_GPL(tm6000_audio_init);
 
+static int tm6000_audio_fini(struct tm6000_core *dev)
+{
+	return 0;
+}
+
+struct tm6000_ops audio_ops = {
+	.id	= TM6000_AUDIO,
+	.name	= "TM6000 Audio Extension",
+	.init	= tm6000_audio_init,
+	.fini	= tm6000_audio_fini,
+};
+
+static int __init tm6000_alsa_register(void)
+{
+	return tm6000_register_extension(&audio_ops);
+}
+
+static void __exit tm6000_alsa_unregister(void)
+{
+	tm6000_unregister_extension(&audio_ops);
+}
+
+module_init(tm6000_alsa_register);
+module_exit(tm6000_alsa_unregister);
diff --git a/drivers/staging/tm6000/tm6000-cards.c b/drivers/staging/tm6000/tm6000-cards.c
index 6143e20d139d..cedd9044022f 100644
--- a/drivers/staging/tm6000/tm6000-cards.c
+++ b/drivers/staging/tm6000/tm6000-cards.c
@@ -363,13 +363,7 @@ int tm6000_tuner_callback(void *ptr, int component, int command, int arg)
 		tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT,
 					0x02, arg);
 		msleep(10);
-		rc = tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN,
-					TM6000_GPIO_CLK, 0);
-		if (rc < 0)
-			return rc;
-		msleep(10);
-		rc = tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN,
-					TM6000_GPIO_CLK, 1);
+		rc = tm6000_i2c_reset(dev, 10);
 		break;
 	case XC2028_TUNER_RESET:
 		/* Reset codes during load firmware */
@@ -423,14 +417,7 @@ int tm6000_tuner_callback(void *ptr, int component, int command, int arg)
 			break;
 
 		case 2:
-			rc = tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN,
-						TM6000_GPIO_CLK, 0);
-			if (rc < 0)
-				return rc;
-			msleep(100);
-			rc = tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN,
-						TM6000_GPIO_CLK, 1);
-			msleep(100);
+			rc = tm6000_i2c_reset(dev, 100);
 			break;
 		}
 	}
@@ -563,7 +550,7 @@ static void tm6000_config_tuner(struct tm6000_core *dev)
 
 	switch (dev->tuner_type) {
 	case TUNER_XC2028:
-		tun_setup.tuner_callback = tm6000_tuner_callback;;
+		tun_setup.tuner_callback = tm6000_tuner_callback;
 		break;
 	case TUNER_XC5000:
 		tun_setup.tuner_callback = tm6000_xc5000_callback;
@@ -692,6 +679,10 @@ static int tm6000_init_dev(struct tm6000_core *dev)
 	if (rc < 0)
 		goto err;
 
+	tm6000_add_into_devlist(dev);
+
+	tm6000_init_extension(dev);
+
 	if (dev->caps.has_dvb) {
 		dev->dvb = kzalloc(sizeof(*(dev->dvb)), GFP_KERNEL);
 		if (!dev->dvb) {
@@ -921,6 +912,25 @@ static void tm6000_usb_disconnect(struct usb_interface *interface)
 	}
 #endif
 
+	if (dev->gpio.power_led) {
+		switch (dev->model) {
+		case TM6010_BOARD_HAUPPAUGE_900H:
+		case TM6010_BOARD_TERRATEC_CINERGY_HYBRID_XE:
+		case TM6010_BOARD_TWINHAN_TU501:
+			/* Power led off */
+			tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN,
+				dev->gpio.power_led, 0x01);
+			msleep(15);
+			break;
+		case TM6010_BOARD_BEHOLD_WANDER:
+		case TM6010_BOARD_BEHOLD_VOYAGER:
+			/* Power led off */
+			tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN,
+				dev->gpio.power_led, 0x00);
+			msleep(15);
+			break;
+		}
+	}
 	tm6000_v4l2_unregister(dev);
 
 	tm6000_i2c_unregister(dev);
@@ -931,6 +941,9 @@ static void tm6000_usb_disconnect(struct usb_interface *interface)
 
 	usb_put_dev(dev->udev);
 
+	tm6000_remove_from_devlist(dev);
+	tm6000_close_extension(dev);
+
 	mutex_unlock(&dev->lock);
 	kfree(dev);
 }
diff --git a/drivers/staging/tm6000/tm6000-core.c b/drivers/staging/tm6000/tm6000-core.c
index bfbc53bd2912..27f3f551b545 100644
--- a/drivers/staging/tm6000/tm6000-core.c
+++ b/drivers/staging/tm6000/tm6000-core.c
@@ -153,6 +153,22 @@ int tm6000_get_reg32 (struct tm6000_core *dev, u8 req, u16 value, u16 index)
 	return buf[3] | buf[2] << 8 | buf[1] << 16 | buf[0] << 24;
 }
 
+int tm6000_i2c_reset(struct tm6000_core *dev, u16 tsleep)
+{
+	int rc;
+
+	rc = tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN, TM6000_GPIO_CLK, 0);
+	if (rc < 0)
+		return rc;
+
+	msleep(tsleep);
+
+	rc = tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN, TM6000_GPIO_CLK, 1);
+	msleep(tsleep);
+
+	return rc;
+}
+
 void tm6000_set_fourcc_format(struct tm6000_core *dev)
 {
 	if (dev->dev_type == TM6010) {
@@ -323,6 +339,12 @@ int tm6000_init_analog_mode (struct tm6000_core *dev)
 	tm6000_set_standard (dev, &dev->norm);
 	tm6000_set_audio_bitrate (dev,48000);
 
+	/* switch dvb led off */
+	if (dev->gpio.dvb_led) {
+		tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN,
+			dev->gpio.dvb_led, 0x01);
+	}
+
 	return 0;
 }
 
@@ -375,6 +397,13 @@ int tm6000_init_digital_mode (struct tm6000_core *dev)
 		tm6000_set_reg (dev, REQ_04_EN_DISABLE_MCU_INT, 0x0020, 0x00);
 		msleep(100);
 	}
+
+	/* switch dvb led on */
+	if (dev->gpio.dvb_led) {
+		tm6000_set_reg(dev, REQ_03_SET_GET_MCU_PIN,
+			dev->gpio.dvb_led, 0x00);
+	}
+
 	return 0;
 }
 
@@ -600,3 +629,95 @@ printk("Original value=%d\n",val);
 	return val;
 }
 EXPORT_SYMBOL_GPL(tm6000_set_audio_bitrate);
+
+static LIST_HEAD(tm6000_devlist);
+static DEFINE_MUTEX(tm6000_devlist_mutex);
+
+/*
+ * tm6000_realease_resource()
+ */
+
+void tm6000_remove_from_devlist(struct tm6000_core *dev)
+{
+	mutex_lock(&tm6000_devlist_mutex);
+	list_del(&dev->devlist);
+	mutex_unlock(&tm6000_devlist_mutex);
+};
+
+void tm6000_add_into_devlist(struct tm6000_core *dev)
+{
+	mutex_lock(&tm6000_devlist_mutex);
+	list_add_tail(&dev->devlist, &tm6000_devlist);
+	mutex_unlock(&tm6000_devlist_mutex);
+};
+
+/*
+ * Extension interface
+ */
+
+static LIST_HEAD(tm6000_extension_devlist);
+static DEFINE_MUTEX(tm6000_extension_devlist_lock);
+
+int tm6000_register_extension(struct tm6000_ops *ops)
+{
+	struct tm6000_core *dev = NULL;
+
+	mutex_lock(&tm6000_devlist_mutex);
+	mutex_lock(&tm6000_extension_devlist_lock);
+	list_add_tail(&ops->next, &tm6000_extension_devlist);
+	list_for_each_entry(dev, &tm6000_devlist, devlist) {
+		if (dev)
+			ops->init(dev);
+	}
+	printk(KERN_INFO "tm6000: Initialized (%s) extension\n", ops->name);
+	mutex_unlock(&tm6000_extension_devlist_lock);
+	mutex_unlock(&tm6000_devlist_mutex);
+	return 0;
+}
+EXPORT_SYMBOL(tm6000_register_extension);
+
+void tm6000_unregister_extension(struct tm6000_ops *ops)
+{
+	struct tm6000_core *dev = NULL;
+
+	mutex_lock(&tm6000_devlist_mutex);
+	list_for_each_entry(dev, &tm6000_devlist, devlist) {
+		if (dev)
+			ops->fini(dev);
+	}
+
+	mutex_lock(&tm6000_extension_devlist_lock);
+	printk(KERN_INFO "tm6000: Remove (%s) extension\n", ops->name);
+	list_del(&ops->next);
+	mutex_unlock(&tm6000_extension_devlist_lock);
+	mutex_unlock(&tm6000_devlist_mutex);
+}
+EXPORT_SYMBOL(tm6000_unregister_extension);
+
+void tm6000_init_extension(struct tm6000_core *dev)
+{
+	struct tm6000_ops *ops = NULL;
+
+	mutex_lock(&tm6000_extension_devlist_lock);
+	if (!list_empty(&tm6000_extension_devlist)) {
+		list_for_each_entry(ops, &tm6000_extension_devlist, next) {
+			if (ops->init)
+				ops->init(dev);
+		}
+	}
+	mutex_unlock(&tm6000_extension_devlist_lock);
+}
+
+void tm6000_close_extension(struct tm6000_core *dev)
+{
+	struct tm6000_ops *ops = NULL;
+
+	mutex_lock(&tm6000_extension_devlist_lock);
+	if (!list_empty(&tm6000_extension_devlist)) {
+		list_for_each_entry(ops, &tm6000_extension_devlist, next) {
+			if (ops->fini)
+				ops->fini(dev);
+		}
+	}
+	mutex_unlock(&tm6000_extension_devlist_lock);
+}
diff --git a/drivers/staging/tm6000/tm6000-dvb.c b/drivers/staging/tm6000/tm6000-dvb.c
index eafc89c22b6b..261e66acbe46 100644
--- a/drivers/staging/tm6000/tm6000-dvb.c
+++ b/drivers/staging/tm6000/tm6000-dvb.c
@@ -28,6 +28,7 @@
 #include <media/tuner.h>
 
 #include "tuner-xc2028.h"
+#include "xc5000.h"
 
 static void inline print_err_status (struct tm6000_core *dev,
 				     int packet, int status)
@@ -100,7 +101,10 @@ int tm6000_start_stream(struct tm6000_core *dev)
 
 	printk(KERN_INFO "tm6000: got start stream request %s\n",__FUNCTION__);
 
-	tm6000_init_digital_mode(dev);
+	if (dev->mode != TM6000_MODE_DIGITAL) {
+		tm6000_init_digital_mode(dev);
+		dev->mode = TM6000_MODE_DIGITAL;
+	}
 
 	dvb->bulk_urb = usb_alloc_urb(0, GFP_KERNEL);
 	if(dvb->bulk_urb == NULL) {
@@ -254,27 +258,55 @@ int tm6000_dvb_register(struct tm6000_core *dev)
 	dvb->adapter.priv = dev;
 
 	if (dvb->frontend) {
-		struct xc2028_config cfg = {
-			.i2c_adap = &dev->i2c_adap,
-			.i2c_addr = dev->tuner_addr,
-		};
-
-		dvb->frontend->callback = tm6000_tuner_callback;
-		ret = dvb_register_frontend(&dvb->adapter, dvb->frontend);
-		if (ret < 0) {
-			printk(KERN_ERR
-				"tm6000: couldn't register frontend\n");
-			goto adapter_err;
-		}
-
-		if (!dvb_attach(xc2028_attach, dvb->frontend, &cfg)) {
-			printk(KERN_ERR "tm6000: couldn't register "
-					"frontend (xc3028)\n");
-			ret = -EINVAL;
-			goto frontend_err;
+		switch (dev->tuner_type) {
+		case TUNER_XC2028: {
+			struct xc2028_config cfg = {
+				.i2c_adap = &dev->i2c_adap,
+				.i2c_addr = dev->tuner_addr,
+			};
+
+			dvb->frontend->callback = tm6000_tuner_callback;
+			ret = dvb_register_frontend(&dvb->adapter, dvb->frontend);
+			if (ret < 0) {
+				printk(KERN_ERR
+					"tm6000: couldn't register frontend\n");
+				goto adapter_err;
+			}
+
+			if (!dvb_attach(xc2028_attach, dvb->frontend, &cfg)) {
+				printk(KERN_ERR "tm6000: couldn't register "
+						"frontend (xc3028)\n");
+				ret = -EINVAL;
+				goto frontend_err;
+			}
+			printk(KERN_INFO "tm6000: XC2028/3028 asked to be "
+					 "attached to frontend!\n");
+			break;
+			}
+		case TUNER_XC5000: {
+			struct xc5000_config cfg = {
+				.i2c_address = dev->tuner_addr,
+			};
+
+			dvb->frontend->callback = tm6000_xc5000_callback;
+			ret = dvb_register_frontend(&dvb->adapter, dvb->frontend);
+			if (ret < 0) {
+				printk(KERN_ERR
+					"tm6000: couldn't register frontend\n");
+				goto adapter_err;
+			}
+
+			if (!dvb_attach(xc5000_attach, dvb->frontend, &dev->i2c_adap, &cfg)) {
+				printk(KERN_ERR "tm6000: couldn't register "
+						"frontend (xc5000)\n");
+				ret = -EINVAL;
+				goto frontend_err;
+			}
+			printk(KERN_INFO "tm6000: XC5000 asked to be "
+					 "attached to frontend!\n");
+			break;
+			}
 		}
-		printk(KERN_INFO "tm6000: XC2028/3028 asked to be "
-				 "attached to frontend!\n");
 	} else {
 		printk(KERN_ERR "tm6000: no frontend found\n");
 	}
diff --git a/drivers/staging/tm6000/tm6000-video.c b/drivers/staging/tm6000/tm6000-video.c
index f2b7fe4a3581..56fa371e08c8 100644
--- a/drivers/staging/tm6000/tm6000-video.c
+++ b/drivers/staging/tm6000/tm6000-video.c
@@ -48,7 +48,7 @@
 #define TM6000_MIN_BUF 4
 #define TM6000_DEF_BUF 8
 
-#define TM6000_MAX_ISO_PACKETS	40	/* Max number of ISO packets */
+#define TM6000_MAX_ISO_PACKETS	46	/* Max number of ISO packets */
 
 /* Declare static vars that will be used as parameters */
 static unsigned int vid_limit = 16;	/* Video memory limit, in Mb */
@@ -205,7 +205,11 @@ static int copy_packet(struct urb *urb, u32 header, u8 **ptr, u8 *endp,
 		c = (header >> 24) & 0xff;
 
 		/* split the header fields */
-		size  = (((header & 0x7e) << 1) -1) *4;
+		size  = ((header & 0x7e) << 1);
+
+		if (size > 0)
+			size -= 4;
+
 		block = (header >> 7) & 0xf;
 		field = (header >> 11) & 0x1;
 		line  = (header >> 12) & 0x1ff;
@@ -307,10 +311,12 @@ static int copy_packet(struct urb *urb, u32 header, u8 **ptr, u8 *endp,
 		case TM6000_URB_MSG_PTS:
 			break;
 		case TM6000_URB_MSG_AUDIO:
-/* Need some code to process audio */
-printk ("%ld: cmd=%s, size=%d\n", jiffies,
+			/* Need some code to process audio */
+			printk ("%ld: cmd=%s, size=%d\n", jiffies,
 				tm6000_msg_type[cmd],size);
 			break;
+		case TM6000_URB_MSG_VBI:
+			break;
 		default:
 			dprintk (dev, V4L2_DEBUG_ISOC, "cmd=%s, size=%d\n",
 						tm6000_msg_type[cmd],size);
@@ -333,14 +339,23 @@ printk ("%ld: cmd=%s, size=%d\n", jiffies,
 	return rc;
 }
 
-static int copy_streams(u8 *data, u8 *out_p, unsigned long len,
-			struct urb *urb, struct tm6000_buffer **buf)
+static int copy_streams(u8 *data, unsigned long len,
+			struct urb *urb)
 {
 	struct tm6000_dmaqueue  *dma_q = urb->context;
 	struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
 	u8 *ptr=data, *endp=data+len;
 	unsigned long header=0;
 	int rc=0;
+	struct tm6000_buffer *buf;
+	char *outp = NULL;
+
+	get_next_buf(dma_q, &buf);
+	if (buf)
+		outp = videobuf_to_vmalloc(&buf->vb);
+
+	if (!outp)
+		return 0;
 
 	for (ptr=data; ptr<endp;) {
 		if (!dev->isoc_ctl.cmd) {
@@ -388,14 +403,14 @@ static int copy_streams(u8 *data, u8 *out_p, unsigned long len,
 		}
 HEADER:
 		/* Copy or continue last copy */
-		rc=copy_packet(urb,header,&ptr,endp,out_p,buf);
+		rc=copy_packet(urb,header,&ptr,endp,outp,&buf);
 		if (rc<0) {
 			buf=NULL;
 			printk(KERN_ERR "tm6000: buffer underrun at %ld\n",
 					jiffies);
 			return rc;
 		}
-		if (!*buf)
+		if (!buf)
 			return 0;
 	}
 
@@ -404,31 +419,40 @@ HEADER:
 /*
  * Identify the tm5600/6000 buffer header type and properly handles
  */
-static int copy_multiplexed(u8 *ptr, u8 *out_p, unsigned long len,
-			struct urb *urb, struct tm6000_buffer **buf)
+static int copy_multiplexed(u8 *ptr, unsigned long len,
+			struct urb *urb)
 {
 	struct tm6000_dmaqueue  *dma_q = urb->context;
 	struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
 	unsigned int pos=dev->isoc_ctl.pos,cpysize;
 	int rc=1;
+	struct tm6000_buffer *buf;
+	char *outp = NULL;
+
+	get_next_buf(dma_q, &buf);
+	if (buf)
+		outp = videobuf_to_vmalloc(&buf->vb);
+
+	if (!outp)
+		return 0;
 
 	while (len>0) {
-		cpysize=min(len,(*buf)->vb.size-pos);
-//printk("Copying %d bytes (max=%lu) from %p to %p[%u]\n",cpysize,(*buf)->vb.size,ptr,out_p,pos);
-		memcpy(&out_p[pos], ptr, cpysize);
+		cpysize=min(len,buf->vb.size-pos);
+		//printk("Copying %d bytes (max=%lu) from %p to %p[%u]\n",cpysize,(*buf)->vb.size,ptr,out_p,pos);
+		memcpy(&outp[pos], ptr, cpysize);
 		pos+=cpysize;
 		ptr+=cpysize;
 		len-=cpysize;
-		if (pos >= (*buf)->vb.size) {
+		if (pos >= buf->vb.size) {
 			pos=0;
 			/* Announces that a new buffer were filled */
-			buffer_filled (dev, dma_q, *buf);
+			buffer_filled (dev, dma_q, buf);
 			dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n");
-			get_next_buf (dma_q, buf);
-			if (!*buf)
+			get_next_buf (dma_q, &buf);
+			if (!buf)
 				break;
-			out_p = videobuf_to_vmalloc(&((*buf)->vb));
-			if (!out_p)
+			outp = videobuf_to_vmalloc(&(buf->vb));
+			if (!outp)
 				return rc;
 			pos = 0;
 		}
@@ -487,52 +511,36 @@ static inline int tm6000_isoc_copy(struct urb *urb)
 	struct tm6000_dmaqueue  *dma_q = urb->context;
 	struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
 	struct tm6000_buffer *buf;
-	int i, len=0, rc=1;
-	int size;
-	char *outp = NULL, *p;
-	unsigned long copied;
-
-	get_next_buf(dma_q, &buf);
-	if (buf)
-		outp = videobuf_to_vmalloc(&buf->vb);
+	int i, len=0, rc=1, status;
+	char *p;
 
-	if (!outp)
-		return 0;
-
-	size = buf->vb.size;
-
-	copied=0;
-
-	if (urb->status<0) {
-		print_err_status (dev,-1,urb->status);
+	if (urb->status < 0) {
+		print_err_status (dev, -1, urb->status);
 		return 0;
 	}
 
 	for (i = 0; i < urb->number_of_packets; i++) {
-		int status = urb->iso_frame_desc[i].status;
+		status = urb->iso_frame_desc[i].status;
 
 		if (status<0) {
 			print_err_status (dev,i,status);
 			continue;
 		}
 
-		len=urb->iso_frame_desc[i].actual_length;
+		len = urb->iso_frame_desc[i].actual_length;
 
-//		if (len>=TM6000_URB_MSG_LEN) {
-			p=urb->transfer_buffer + urb->iso_frame_desc[i].offset;
+		if (len > 0) {
+			p = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
 			if (!urb->iso_frame_desc[i].status) {
-				if ((buf->fmt->fourcc)==V4L2_PIX_FMT_TM6000) {
-					rc=copy_multiplexed(p, outp, len, urb, &buf);
+				if ((dev->fourcc)==V4L2_PIX_FMT_TM6000) {
+					rc=copy_multiplexed(p, len, urb);
 					if (rc<=0)
 						return rc;
 				} else {
-					copy_streams(p, outp, len, urb, &buf);
+					copy_streams(p, len, urb);
 				}
 			}
-			copied += len;
-			if (copied >= size || !buf)
-				break;
-//		}
+		}
 	}
 	return rc;
 }
@@ -612,7 +620,7 @@ static void tm6000_uninit_isoc(struct tm6000_core *dev)
 static int tm6000_prepare_isoc(struct tm6000_core *dev, unsigned int framesize)
 {
 	struct tm6000_dmaqueue *dma_q = &dev->vidq;
-	int i, j, sb_size, pipe, size, max_packets, num_bufs = 5;
+	int i, j, sb_size, pipe, size, max_packets, num_bufs = 8;
 	struct urb *urb;
 
 	/* De-allocates all pending stuff */
diff --git a/drivers/staging/tm6000/tm6000.h b/drivers/staging/tm6000/tm6000.h
index 6812d6867d57..7bbaf26dea14 100644
--- a/drivers/staging/tm6000/tm6000.h
+++ b/drivers/staging/tm6000/tm6000.h
@@ -168,6 +168,10 @@ struct tm6000_core {
 	struct i2c_adapter		i2c_adap;
 	struct i2c_client		i2c_client;
 
+
+	/* extension */
+	struct list_head		devlist;
+
 	/* video for linux */
 	int				users;
 
@@ -203,6 +207,16 @@ struct tm6000_core {
 	spinlock_t                   slock;
 };
 
+#define TM6000_AUDIO 0x10
+
+struct tm6000_ops {
+	struct list_head	next;
+	char			*name;
+	int			id;
+	int (*init)(struct tm6000_core *);
+	int (*fini)(struct tm6000_core *);
+};
+
 struct tm6000_fh {
 	struct tm6000_core           *dev;
 
@@ -232,6 +246,8 @@ int tm6000_get_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index);
 int tm6000_get_reg16(struct tm6000_core *dev, u8 req, u16 value, u16 index);
 int tm6000_get_reg32(struct tm6000_core *dev, u8 req, u16 value, u16 index);
 int tm6000_set_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index);
+int tm6000_i2c_reset(struct tm6000_core *dev, u16 tsleep);
+
 int tm6000_init (struct tm6000_core *dev);
 
 int tm6000_init_analog_mode (struct tm6000_core *dev);
@@ -246,6 +262,13 @@ int tm6000_v4l2_unregister(struct tm6000_core *dev);
 int tm6000_v4l2_exit(void);
 void tm6000_set_fourcc_format(struct tm6000_core *dev);
 
+void tm6000_remove_from_devlist(struct tm6000_core *dev);
+void tm6000_add_into_devlist(struct tm6000_core *dev);
+int tm6000_register_extension(struct tm6000_ops *ops);
+void tm6000_unregister_extension(struct tm6000_ops *ops);
+void tm6000_init_extension(struct tm6000_core *dev);
+void tm6000_close_extension(struct tm6000_core *dev);
+
 /* In tm6000-stds.c */
 void tm6000_get_std_res(struct tm6000_core *dev);
 int tm6000_set_standard (struct tm6000_core *dev, v4l2_std_id *norm);
@@ -275,7 +298,7 @@ unsigned int tm6000_v4l2_poll(struct file *file,
 int tm6000_queue_init(struct tm6000_core *dev);
 
 /* In tm6000-alsa.c */
-int tm6000_audio_init(struct tm6000_core *dev, int idx);
+/*int tm6000_audio_init(struct tm6000_core *dev, int idx);*/
 
 
 /* Debug stuff */