V4L/DVB (10955): cx231xx: CodingStyle automatic fixes with Lindent

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 585 insertions, 541 deletions

diff --git a/drivers/media/video/cx231xx/cx231xx-core.c b/drivers/media/video/cx231xx/cx231xx-core.c
index efe0c66..874fc5b 100644
--- a/drivers/media/video/cx231xx/cx231xx-core.c
+++ b/drivers/media/video/cx231xx/cx231xx-core.c
@@ -2,7 +2,7 @@
    cx231xx-core.c - driver for Conexant Cx23100/101/102 USB video capture devices
 
    Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
-        Based on em28xx driver
+	Based on em28xx driver
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -32,8 +32,8 @@
 /* #define ENABLE_DEBUG_ISOC_FRAMES */
 
 static unsigned int core_debug;
-module_param(core_debug,int,0644);
-MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
+module_param(core_debug, int, 0644);
+MODULE_PARM_DESC(core_debug, "enable debug messages [core]");
 
 #define cx231xx_coredbg(fmt, arg...) do {\
 	if (core_debug) \
@@ -41,8 +41,8 @@ MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
 			 dev->name, __func__ , ##arg); } while (0)
 
 static unsigned int reg_debug;
-module_param(reg_debug,int,0644);
-MODULE_PARM_DESC(reg_debug,"enable debug messages [URB reg]");
+module_param(reg_debug, int, 0644);
+MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]");
 
 #define cx231xx_regdbg(fmt, arg...) do {\
 	if (reg_debug) \
@@ -59,8 +59,6 @@ MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
 		printk(KERN_INFO "%s %s :"fmt, \
 			 dev->name, __func__ , ##arg); } while (0)
 
-
-
 /************************************************************************************
 *                              Device control list functions                        *
 *************************************************************************************/
@@ -69,8 +67,7 @@ static LIST_HEAD(cx231xx_devlist);
 static DEFINE_MUTEX(cx231xx_devlist_mutex);
 
 struct cx231xx *cx231xx_get_device(int minor,
-				 enum v4l2_buf_type *fh_type,
-				 int *has_radio)
+				   enum v4l2_buf_type *fh_type, int *has_radio)
 {
 	struct cx231xx *h, *dev = NULL;
 
@@ -85,8 +82,7 @@ struct cx231xx *cx231xx_get_device(int minor,
 			dev = h;
 			*fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
 		}
-		if (h->radio_dev &&
-		    h->radio_dev->minor == minor) {
+		if (h->radio_dev && h->radio_dev->minor == minor) {
 			dev = h;
 			*has_radio = 1;
 		}
@@ -115,9 +111,6 @@ void cx231xx_add_into_devlist(struct cx231xx *dev)
 	mutex_unlock(&cx231xx_devlist_mutex);
 };
 
-
-
-
 static LIST_HEAD(cx231xx_extension_devlist);
 static DEFINE_MUTEX(cx231xx_extension_devlist_lock);
 
@@ -137,6 +130,7 @@ int cx231xx_register_extension(struct cx231xx_ops *ops)
 	mutex_unlock(&cx231xx_devlist_mutex);
 	return 0;
 }
+
 EXPORT_SYMBOL(cx231xx_register_extension);
 
 void cx231xx_unregister_extension(struct cx231xx_ops *ops)
@@ -155,8 +149,8 @@ void cx231xx_unregister_extension(struct cx231xx_ops *ops)
 	mutex_unlock(&cx231xx_extension_devlist_lock);
 	mutex_unlock(&cx231xx_devlist_mutex);
 }
-EXPORT_SYMBOL(cx231xx_unregister_extension);
 
+EXPORT_SYMBOL(cx231xx_unregister_extension);
 
 void cx231xx_init_extension(struct cx231xx *dev)
 {
@@ -190,78 +184,82 @@ void cx231xx_close_extension(struct cx231xx *dev)
 *                              U S B related functions                              *
 *************************************************************************************/
 int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
-                   struct cx231xx_i2c_xfer_data *req_data)
+			     struct cx231xx_i2c_xfer_data *req_data)
 {
-    int status = 0;
-    struct cx231xx *dev = i2c_bus->dev;
-    VENDOR_REQUEST_IN ven_req;
-
-    u8 saddr_len    = 0;
-    u8 _i2c_period  = 0;
-    u8 _i2c_nostop  = 0;
-    u8 _i2c_reserve = 0;
-
-    /* Get the I2C period, nostop and reserve parameters */
-    _i2c_period  = i2c_bus->i2c_period;
-    _i2c_nostop  = i2c_bus->i2c_nostop;
-    _i2c_reserve = i2c_bus->i2c_reserve;
-
-    saddr_len = req_data->saddr_len;
-
-    /* Set wValue */
-    if(saddr_len == 1)                          /* need check saddr_len == 0  */
-        ven_req.wValue = req_data->dev_addr<<9|_i2c_period<<4|saddr_len<<2|
-                        _i2c_nostop<<1|I2C_SYNC|_i2c_reserve<<6;
-    else
-        ven_req.wValue = req_data->dev_addr<<9|_i2c_period<<4|saddr_len<<2|
-                        _i2c_nostop<<1|I2C_SYNC|_i2c_reserve<<6;
-
-    /* set channel number */
-    if(req_data->direction & I2C_M_RD)
-        ven_req.bRequest = i2c_bus->nr + 4;   /* channel number, for read,
-                                                 spec required channel_num +4 */
-    else
-        ven_req.bRequest = i2c_bus->nr;       /* channel number,  */
-
-    /* set index value */
-    switch(saddr_len){
-        case 0:
-            ven_req.wIndex = 0;               /* need check */
-            break;
-        case 1:
-            ven_req.wIndex = (req_data->saddr_dat & 0xff);
-            break;
-        case 2:
-            ven_req.wIndex = req_data->saddr_dat;
-            break;
-    }
-
-    /* set wLength value */
-    ven_req.wLength = req_data->buf_size;
-
-    /* set bData value */
-    ven_req.bData = 0;
-
-    /* set the direction */
-    if(req_data->direction){
-        ven_req.direction = USB_DIR_IN;
-        memset(req_data->p_buffer, 0x00, ven_req.wLength);
-    }
-    else
-        ven_req.direction = USB_DIR_OUT;
-
-    /* set the buffer for read / write */
-    ven_req.pBuff = req_data->p_buffer;
-
-
-
-    /* call common vendor command request */
-    status = cx231xx_send_vendor_cmd(dev, &ven_req);
-    if (status < 0) {
-        cx231xx_info("UsbInterface::sendCommand, output buffer failed with status -%d\n", status);
-    }
-
-    return status;
+	int status = 0;
+	struct cx231xx *dev = i2c_bus->dev;
+	VENDOR_REQUEST_IN ven_req;
+
+	u8 saddr_len = 0;
+	u8 _i2c_period = 0;
+	u8 _i2c_nostop = 0;
+	u8 _i2c_reserve = 0;
+
+	/* Get the I2C period, nostop and reserve parameters */
+	_i2c_period = i2c_bus->i2c_period;
+	_i2c_nostop = i2c_bus->i2c_nostop;
+	_i2c_reserve = i2c_bus->i2c_reserve;
+
+	saddr_len = req_data->saddr_len;
+
+	/* Set wValue */
+	if (saddr_len == 1)	/* need check saddr_len == 0  */
+		ven_req.wValue =
+		    req_data->
+		    dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
+		    _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
+	else
+		ven_req.wValue =
+		    req_data->
+		    dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 |
+		    _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6;
+
+	/* set channel number */
+	if (req_data->direction & I2C_M_RD)
+		ven_req.bRequest = i2c_bus->nr + 4;	/* channel number, for read,
+							   spec required channel_num +4 */
+	else
+		ven_req.bRequest = i2c_bus->nr;	/* channel number,  */
+
+	/* set index value */
+	switch (saddr_len) {
+	case 0:
+		ven_req.wIndex = 0;	/* need check */
+		break;
+	case 1:
+		ven_req.wIndex = (req_data->saddr_dat & 0xff);
+		break;
+	case 2:
+		ven_req.wIndex = req_data->saddr_dat;
+		break;
+	}
+
+	/* set wLength value */
+	ven_req.wLength = req_data->buf_size;
+
+	/* set bData value */
+	ven_req.bData = 0;
+
+	/* set the direction */
+	if (req_data->direction) {
+		ven_req.direction = USB_DIR_IN;
+		memset(req_data->p_buffer, 0x00, ven_req.wLength);
+	} else
+		ven_req.direction = USB_DIR_OUT;
+
+	/* set the buffer for read / write */
+	ven_req.pBuff = req_data->p_buffer;
+
+
+	/* call common vendor command request */
+	status = cx231xx_send_vendor_cmd(dev, &ven_req);
+	if (status < 0) {
+		cx231xx_info
+		    ("UsbInterface::sendCommand, output buffer failed with status -%d\n",
+		     status);
+	}
+
+	return status;
 }
 
 EXPORT_SYMBOL_GPL(cx231xx_send_usb_command);
@@ -270,9 +268,9 @@ EXPORT_SYMBOL_GPL(cx231xx_send_usb_command);
  * reads data from the usb device specifying bRequest and wValue
  */
 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
-			    char *buf, int len)
+			  char *buf, int len)
 {
-     u8 val = 0;
+	u8 val = 0;
 	int ret;
 	int pipe = usb_rcvctrlpipe(dev->udev, 0);
 
@@ -282,35 +280,33 @@ int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
 	if (len > URB_MAX_CTRL_SIZE)
 		return -EINVAL;
 
-    switch(len)
-    {
-        case 1:
-            val = ENABLE_ONE_BYTE;
-            break;
-        case 2:
-            val = ENABLE_TWE_BYTE;
-            break;
-        case 3:
-            val = ENABLE_THREE_BYTE;
-            break;
-        case 4:
-            val = ENABLE_FOUR_BYTE;
-            break;
-        default:
-            val = 0xFF; /* invalid option */
-    }
-
-    if(val == 0xFF)
-        return -EINVAL;
+	switch (len) {
+	case 1:
+		val = ENABLE_ONE_BYTE;
+		break;
+	case 2:
+		val = ENABLE_TWE_BYTE;
+		break;
+	case 3:
+		val = ENABLE_THREE_BYTE;
+		break;
+	case 4:
+		val = ENABLE_FOUR_BYTE;
+		break;
+	default:
+		val = 0xFF;	/* invalid option */
+	}
+
+	if (val == 0xFF)
+		return -EINVAL;
 
 	if (reg_debug) {
 		cx231xx_isocdbg("(pipe 0x%08x): "
-			"IN:  %02x %02x %02x %02x %02x %02x %02x %02x ",
-			pipe,
-			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			req, 0, val,
-			reg & 0xff, reg >> 8,
-			len & 0xff, len >> 8);
+				"IN:  %02x %02x %02x %02x %02x %02x %02x %02x ",
+				pipe,
+				USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+				req, 0, val,
+				reg & 0xff, reg >> 8, len & 0xff, len >> 8);
 	}
 
 	/* mutex_lock(&dev->ctrl_urb_lock);  */
@@ -340,10 +336,9 @@ int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
 	return ret;
 }
 
-
-int cx231xx_send_vendor_cmd(struct cx231xx *dev, VENDOR_REQUEST_IN *ven_req)
+int cx231xx_send_vendor_cmd(struct cx231xx *dev, VENDOR_REQUEST_IN * ven_req)
 {
-    int ret;
+	int ret;
 	int pipe = 0;
 
 	if (dev->state & DEV_DISCONNECTED)
@@ -352,32 +347,34 @@ int cx231xx_send_vendor_cmd(struct cx231xx *dev, VENDOR_REQUEST_IN *ven_req)
 	if ((ven_req->wLength > URB_MAX_CTRL_SIZE))
 		return -EINVAL;
 
-    if(ven_req->direction)
-        pipe = usb_rcvctrlpipe(dev->udev, 0);
-    else
-        pipe = usb_sndctrlpipe(dev->udev, 0);
-
+	if (ven_req->direction)
+		pipe = usb_rcvctrlpipe(dev->udev, 0);
+	else
+		pipe = usb_sndctrlpipe(dev->udev, 0);
 
 	if (reg_debug) {
 		int byte;
 
 		cx231xx_isocdbg("(pipe 0x%08x): "
-			"OUT: %02x %02x %02x %04x %04x %04x >>>",
-			pipe,
-			ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			ven_req->bRequest, 0, ven_req->wValue,
-			ven_req->wIndex,
-			ven_req->wLength);
+				"OUT: %02x %02x %02x %04x %04x %04x >>>",
+				pipe,
+				ven_req->
+				direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+				ven_req->bRequest, 0, ven_req->wValue,
+				ven_req->wIndex, ven_req->wLength);
 
 		for (byte = 0; byte < ven_req->wLength; byte++)
-			cx231xx_isocdbg(" %02x", (unsigned char)ven_req->pBuff[byte]);
+			cx231xx_isocdbg(" %02x",
+					(unsigned char)ven_req->pBuff[byte]);
 		cx231xx_isocdbg("\n");
 	}
 
 	/* mutex_lock(&dev->ctrl_urb_lock); */
 	ret = usb_control_msg(dev->udev, pipe, ven_req->bRequest,
-			      ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			      ven_req->wValue, ven_req->wIndex, ven_req->pBuff, ven_req->wLength, HZ);
+			      ven_req->
+			      direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+			      ven_req->wValue, ven_req->wIndex, ven_req->pBuff,
+			      ven_req->wLength, HZ);
 	/* mutex_unlock(&dev->ctrl_urb_lock); */
 
 	return ret;
@@ -388,9 +385,9 @@ int cx231xx_send_vendor_cmd(struct cx231xx *dev, VENDOR_REQUEST_IN *ven_req)
  * sends data to the usb device, specifying bRequest
  */
 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf,
-				 int len)
+			   int len)
 {
-    u8 val = 0;
+	u8 val = 0;
 	int ret;
 	int pipe = usb_sndctrlpipe(dev->udev, 0);
 
@@ -400,37 +397,35 @@ int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf,
 	if ((len < 1) || (len > URB_MAX_CTRL_SIZE))
 		return -EINVAL;
 
-    switch(len)
-    {
-        case 1:
-            val = ENABLE_ONE_BYTE;
-            break;
-        case 2:
-            val = ENABLE_TWE_BYTE;
-            break;
-        case 3:
-            val = ENABLE_THREE_BYTE;
-            break;
-        case 4:
-            val = ENABLE_FOUR_BYTE;
-            break;
-        default:
-            val = 0xFF; /* invalid option */
-    }
-
-    if(val == 0xFF)
-        return -EINVAL;
+	switch (len) {
+	case 1:
+		val = ENABLE_ONE_BYTE;
+		break;
+	case 2:
+		val = ENABLE_TWE_BYTE;
+		break;
+	case 3:
+		val = ENABLE_THREE_BYTE;
+		break;
+	case 4:
+		val = ENABLE_FOUR_BYTE;
+		break;
+	default:
+		val = 0xFF;	/* invalid option */
+	}
+
+	if (val == 0xFF)
+		return -EINVAL;
 
 	if (reg_debug) {
 		int byte;
 
 		cx231xx_isocdbg("(pipe 0x%08x): "
-			"OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
-			pipe,
-			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			req, 0, val,
-			reg & 0xff, reg >> 8,
-			len & 0xff, len >> 8);
+				"OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
+				pipe,
+				USB_DIR_OUT | USB_TYPE_VENDOR |
+				USB_RECIP_DEVICE, req, 0, val, reg & 0xff,
+				reg >> 8, len & 0xff, len >> 8);
 
 		for (byte = 0; byte < len; byte++)
 			cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]);
@@ -447,7 +442,6 @@ int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf,
 	return ret;
 }
 
-
 /************************************************************************************
 *                         USB Alternate Setting functions                           *
 *************************************************************************************/
@@ -456,7 +450,7 @@ int cx231xx_set_video_alternate(struct cx231xx *dev)
 {
 	int errCode, prev_alt = dev->video_mode.alt;
 	unsigned int min_pkt_size = dev->width * 2 + 4;
-    u32 usb_interface_index = 0;
+	u32 usb_interface_index = 0;
 
 	/* When image size is bigger than a certain value,
 	   the frame size should be increased, otherwise, only
@@ -465,35 +459,44 @@ int cx231xx_set_video_alternate(struct cx231xx *dev)
 	if (dev->width * 2 * dev->height > 720 * 240 * 2)
 		min_pkt_size *= 2;
 
-    if(dev->width > 360) {
-        /* resolutions: 720,704,640 */
-        dev->video_mode.alt = 3;
-    } else if(dev->width > 180) {
-        /* resolutions: 360,352,320,240 */
-        dev->video_mode.alt = 2;
-    } else if(dev->width > 0) {
-        /* resolutions: 180,176,160,128,88 */
-        dev->video_mode.alt = 1;
-    } else {
-        /* Change to alt0 BULK to release USB bandwidth */
-        dev->video_mode.alt = 0;
-    }
-
-    /* Get the correct video interface Index */
-    usb_interface_index = dev->current_pcb_config.hs_config_info[0].interface_info.video_index+1;
+	if (dev->width > 360) {
+		/* resolutions: 720,704,640 */
+		dev->video_mode.alt = 3;
+	} else if (dev->width > 180) {
+		/* resolutions: 360,352,320,240 */
+		dev->video_mode.alt = 2;
+	} else if (dev->width > 0) {
+		/* resolutions: 180,176,160,128,88 */
+		dev->video_mode.alt = 1;
+	} else {
+		/* Change to alt0 BULK to release USB bandwidth */
+		dev->video_mode.alt = 0;
+	}
+
+	/* Get the correct video interface Index */
+	usb_interface_index =
+	    dev->current_pcb_config.hs_config_info[0].interface_info.
+	    video_index + 1;
 
 	if (dev->video_mode.alt != prev_alt) {
 		cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n",
 				min_pkt_size, dev->video_mode.alt);
-		dev->video_mode.max_pkt_size = dev->video_mode.alt_max_pkt_size[dev->video_mode.alt];
+		dev->video_mode.max_pkt_size =
+		    dev->video_mode.alt_max_pkt_size[dev->video_mode.alt];
 		cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n",
-			       dev->video_mode.alt, dev->video_mode.max_pkt_size);
-        cx231xx_info(" setting alternate %d with wMaxPacketSize=%u , Interface = %d\n",
-			       dev->video_mode.alt, dev->video_mode.max_pkt_size, usb_interface_index);
-		errCode = usb_set_interface(dev->udev, usb_interface_index, dev->video_mode.alt);
+				dev->video_mode.alt,
+				dev->video_mode.max_pkt_size);
+		cx231xx_info
+		    (" setting alternate %d with wMaxPacketSize=%u , Interface = %d\n",
+		     dev->video_mode.alt, dev->video_mode.max_pkt_size,
+		     usb_interface_index);
+		errCode =
+		    usb_set_interface(dev->udev, usb_interface_index,
+				      dev->video_mode.alt);
 		if (errCode < 0) {
-			cx231xx_errdev("cannot change alternate number to %d (error=%i)\n",
-					dev->video_mode.alt, errCode);
+			cx231xx_errdev
+			    ("cannot change alternate number to %d (error=%i)\n",
+			     dev->video_mode.alt, errCode);
 			return errCode;
 		}
 	}
@@ -502,68 +505,92 @@ int cx231xx_set_video_alternate(struct cx231xx *dev)
 
 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt)
 {
-    int status = 0;
-    u32 usb_interface_index = 0;
-    u32 max_pkt_size = 0;
-
-    switch(index) {
-        case INDEX_TS1:
-            usb_interface_index = dev->current_pcb_config.hs_config_info[0].interface_info.ts1_index+1;
-            dev->video_mode.alt = alt;
-            if(dev->ts1_mode.alt_max_pkt_size != NULL)
-                max_pkt_size = dev->ts1_mode.max_pkt_size = dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt];
-            break;
-        case INDEX_TS2:
-            usb_interface_index = dev->current_pcb_config.hs_config_info[0].interface_info.ts2_index+1;
-            break;
-        case INDEX_AUDIO:
-            usb_interface_index = dev->current_pcb_config.hs_config_info[0].interface_info.audio_index+1;
-            dev->adev.alt = alt;
-            if( dev->adev.alt_max_pkt_size != NULL)
-                max_pkt_size = dev->adev.max_pkt_size = dev->adev.alt_max_pkt_size[dev->adev.alt];
-            break;
-        case INDEX_VIDEO:
-            usb_interface_index = dev->current_pcb_config.hs_config_info[0].interface_info.video_index+1;
-            dev->video_mode.alt = alt;
-            if(dev->video_mode.alt_max_pkt_size != NULL)
-                max_pkt_size = dev->video_mode.max_pkt_size = dev->video_mode.alt_max_pkt_size[dev->video_mode.alt];
-            break;
-        case INDEX_VANC:
-            usb_interface_index = dev->current_pcb_config.hs_config_info[0].interface_info.vanc_index+1;
-            dev->vbi_mode.alt = alt;
-            if(dev->vbi_mode.alt_max_pkt_size != NULL)
-                max_pkt_size = dev->vbi_mode.max_pkt_size = dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt];
-            break;
-        case INDEX_HANC:
-            usb_interface_index = dev->current_pcb_config.hs_config_info[0].interface_info.hanc_index+1;
-            dev->sliced_cc_mode.alt = alt;
-            if(dev->sliced_cc_mode.alt_max_pkt_size != NULL)
-                max_pkt_size = dev->sliced_cc_mode.max_pkt_size = dev->sliced_cc_mode.alt_max_pkt_size[dev->sliced_cc_mode.alt];
-            break;
-        default:
-            break;
-    }
-
-    if(alt > 0 && max_pkt_size == 0 ) {
-        cx231xx_errdev("cannot change interface %d alternate number to %d : Max. Pkt size is ZERO\n",
-					usb_interface_index, alt);
-        return -1;
-    }
-
-    cx231xx_info(" setting alternate %d with wMaxPacketSize=%u , Interface = %d\n",
-			       alt, max_pkt_size, usb_interface_index);
-
-    if(usb_interface_index > 0 ) {
-        status = usb_set_interface(dev->udev, usb_interface_index, alt);
+	int status = 0;
+	u32 usb_interface_index = 0;
+	u32 max_pkt_size = 0;
+
+	switch (index) {
+	case INDEX_TS1:
+		usb_interface_index =
+		    dev->current_pcb_config.hs_config_info[0].interface_info.
+		    ts1_index + 1;
+		dev->video_mode.alt = alt;
+		if (dev->ts1_mode.alt_max_pkt_size != NULL)
+			max_pkt_size = dev->ts1_mode.max_pkt_size =
+			    dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt];
+		break;
+	case INDEX_TS2:
+		usb_interface_index =
+		    dev->current_pcb_config.hs_config_info[0].interface_info.
+		    ts2_index + 1;
+		break;
+	case INDEX_AUDIO:
+		usb_interface_index =
+		    dev->current_pcb_config.hs_config_info[0].interface_info.
+		    audio_index + 1;
+		dev->adev.alt = alt;
+		if (dev->adev.alt_max_pkt_size != NULL)
+			max_pkt_size = dev->adev.max_pkt_size =
+			    dev->adev.alt_max_pkt_size[dev->adev.alt];
+		break;
+	case INDEX_VIDEO:
+		usb_interface_index =
+		    dev->current_pcb_config.hs_config_info[0].interface_info.
+		    video_index + 1;
+		dev->video_mode.alt = alt;
+		if (dev->video_mode.alt_max_pkt_size != NULL)
+			max_pkt_size = dev->video_mode.max_pkt_size =
+			    dev->video_mode.alt_max_pkt_size[dev->video_mode.
+							     alt];
+		break;
+	case INDEX_VANC:
+		usb_interface_index =
+		    dev->current_pcb_config.hs_config_info[0].interface_info.
+		    vanc_index + 1;
+		dev->vbi_mode.alt = alt;
+		if (dev->vbi_mode.alt_max_pkt_size != NULL)
+			max_pkt_size = dev->vbi_mode.max_pkt_size =
+			    dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt];
+		break;
+	case INDEX_HANC:
+		usb_interface_index =
+		    dev->current_pcb_config.hs_config_info[0].interface_info.
+		    hanc_index + 1;
+		dev->sliced_cc_mode.alt = alt;
+		if (dev->sliced_cc_mode.alt_max_pkt_size != NULL)
+			max_pkt_size = dev->sliced_cc_mode.max_pkt_size =
+			    dev->sliced_cc_mode.alt_max_pkt_size[dev->
+								 sliced_cc_mode.
+								 alt];
+		break;
+	default:
+		break;
+	}
+
+	if (alt > 0 && max_pkt_size == 0) {
+		cx231xx_errdev
+		    ("cannot change interface %d alternate number to %d : Max. Pkt size is ZERO\n",
+		     usb_interface_index, alt);
+		return -1;
+	}
+
+	cx231xx_info
+	    (" setting alternate %d with wMaxPacketSize=%u , Interface = %d\n",
+	     alt, max_pkt_size, usb_interface_index);
+
+	if (usb_interface_index > 0) {
+		status = usb_set_interface(dev->udev, usb_interface_index, alt);
 		if (status < 0) {
-			cx231xx_errdev("cannot change interface %d alternate number to %d (error=%i)\n",
-					usb_interface_index, alt, status);
+			cx231xx_errdev
+			    ("cannot change interface %d alternate number to %d (error=%i)\n",
+			     usb_interface_index, alt, status);
 			return status;
 		}
-    }
+	}
 
-    return status;
+	return status;
 }
+
 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting);
 
 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio)
@@ -575,10 +602,9 @@ int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio)
 
 	/* Send GPIO reset sequences specified at board entry */
 	while (gpio->sleep >= 0) {
-        rc = cx231xx_set_gpio_value(dev, gpio->bit,
-						   gpio->val);
-			if (rc < 0)
-				return rc;
+		rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val);
+		if (rc < 0)
+			return rc;
 
 		if (gpio->sleep > 0)
 			msleep(gpio->sleep);
@@ -594,7 +620,7 @@ int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
 		return 0;
 
 	if (set_mode == CX231XX_SUSPEND) {
-        /* Set the chip in power saving mode */
+		/* Set the chip in power saving mode */
 		dev->mode = set_mode;
 	}
 
@@ -604,13 +630,14 @@ int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode)
 
 	dev->mode = set_mode;
 
-    if (dev->mode == CX231XX_DIGITAL_MODE) {
-        /* Set Digital power mode */
-    } else {
-        /* Set Analog Power mode*/
-    }
-    return 0;
+	if (dev->mode == CX231XX_DIGITAL_MODE) {
+		/* Set Digital power mode */
+	} else {
+		/* Set Analog Power mode */
+	}
+	return 0;
 }
+
 EXPORT_SYMBOL_GPL(cx231xx_set_mode);
 
 /************************************************************************************
@@ -622,23 +649,23 @@ EXPORT_SYMBOL_GPL(cx231xx_set_mode);
  */
 static void cx231xx_irq_callback(struct urb *urb)
 {
-	struct cx231xx_dmaqueue  *dma_q = urb->context;
-    struct cx231xx_video_mode *vmode = container_of(dma_q, struct cx231xx_video_mode, vidq);
-    struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
+	struct cx231xx_dmaqueue *dma_q = urb->context;
+	struct cx231xx_video_mode *vmode =
+	    container_of(dma_q, struct cx231xx_video_mode, vidq);
+	struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
 	int rc, i;
 
-
-    switch (urb->status) {
-	    case 0:             /* success */
-	    case -ETIMEDOUT:    /* NAK */
-		    break;
-	    case -ECONNRESET:   /* kill */
-	    case -ENOENT:
-	    case -ESHUTDOWN:
-		    return;
-	    default:            /* error */
-		    cx231xx_isocdbg("urb completition error %d.\n", urb->status);
-		    break;
+	switch (urb->status) {
+	case 0:		/* success */
+	case -ETIMEDOUT:	/* NAK */
+		break;
+	case -ECONNRESET:	/* kill */
+	case -ENOENT:
+	case -ESHUTDOWN:
+		return;
+	default:		/* error */
+		cx231xx_isocdbg("urb completition error %d.\n", urb->status);
+		break;
 	}
 
 	/* Copy data from URB */
@@ -656,7 +683,7 @@ static void cx231xx_irq_callback(struct urb *urb)
 	urb->status = usb_submit_urb(urb, GFP_ATOMIC);
 	if (urb->status) {
 		cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
-			       urb->status);
+				urb->status);
 	}
 }
 
@@ -674,16 +701,17 @@ void cx231xx_uninit_isoc(struct cx231xx *dev)
 	for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
 		urb = dev->video_mode.isoc_ctl.urb[i];
 		if (urb) {
-            if (!irqs_disabled())
-			    usb_kill_urb(urb);
-            else
-			    usb_unlink_urb(urb);
+			if (!irqs_disabled())
+				usb_kill_urb(urb);
+			else
+				usb_unlink_urb(urb);
 
 			if (dev->video_mode.isoc_ctl.transfer_buffer[i]) {
 				usb_buffer_free(dev->udev,
-					urb->transfer_buffer_length,
-					dev->video_mode.isoc_ctl.transfer_buffer[i],
-					urb->transfer_dma);
+						urb->transfer_buffer_length,
+						dev->video_mode.isoc_ctl.
+						transfer_buffer[i],
+						urb->transfer_dma);
 			}
 			usb_free_urb(urb);
 			dev->video_mode.isoc_ctl.urb[i] = NULL;
@@ -700,14 +728,15 @@ void cx231xx_uninit_isoc(struct cx231xx *dev)
 
 	cx231xx_capture_start(dev, 0, Raw_Video);
 }
+
 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc);
 
 /*
  * Allocate URBs and start IRQ
  */
 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
-		     int num_bufs, int max_pkt_size,
-		     int (*isoc_copy) (struct cx231xx *dev, struct urb *urb))
+		      int num_bufs, int max_pkt_size,
+		      int (*isoc_copy) (struct cx231xx * dev, struct urb * urb))
 {
 	struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq;
 	int i;
@@ -718,36 +747,36 @@ int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
 
 	cx231xx_isocdbg("cx231xx: called cx231xx_prepare_isoc\n");
 
-    dev->video_input = dev->video_input > 2?2:dev->video_input;
-
-    cx231xx_info("Setting Video mux to %d\n",dev->video_input);
-    video_mux(dev, dev->video_input);
+	dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
 
+	cx231xx_info("Setting Video mux to %d\n", dev->video_input);
+	video_mux(dev, dev->video_input);
 
 	/* De-allocates all pending stuff */
 	cx231xx_uninit_isoc(dev);
 
 	dev->video_mode.isoc_ctl.isoc_copy = isoc_copy;
 	dev->video_mode.isoc_ctl.num_bufs = num_bufs;
-    dma_q->pos = 0;
-    dma_q->is_partial_line = 0;
-    dma_q->last_sav = 0;
-    dma_q->current_field = -1;
-    dma_q->field1_done = 0;
-    dma_q->lines_per_field = dev->height/2;
-    dma_q->bytes_left_in_line = dev->width << 1;
-    dma_q->lines_completed = 0;
-    for(i = 0; i < 8 ; i++)
-        dma_q->partial_buf[i] = 0;
-
-	dev->video_mode.isoc_ctl.urb = kzalloc(sizeof(void *)*num_bufs,  GFP_KERNEL);
+	dma_q->pos = 0;
+	dma_q->is_partial_line = 0;
+	dma_q->last_sav = 0;
+	dma_q->current_field = -1;
+	dma_q->field1_done = 0;
+	dma_q->lines_per_field = dev->height / 2;
+	dma_q->bytes_left_in_line = dev->width << 1;
+	dma_q->lines_completed = 0;
+	for (i = 0; i < 8; i++)
+		dma_q->partial_buf[i] = 0;
+
+	dev->video_mode.isoc_ctl.urb =
+	    kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
 	if (!dev->video_mode.isoc_ctl.urb) {
 		cx231xx_errdev("cannot alloc memory for usb buffers\n");
 		return -ENOMEM;
 	}
 
-	dev->video_mode.isoc_ctl.transfer_buffer = kzalloc(sizeof(void *)*num_bufs,
-					      GFP_KERNEL);
+	dev->video_mode.isoc_ctl.transfer_buffer =
+	    kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL);
 	if (!dev->video_mode.isoc_ctl.transfer_buffer) {
 		cx231xx_errdev("cannot allocate memory for usbtransfer\n");
 		kfree(dev->video_mode.isoc_ctl.urb);
@@ -769,23 +798,25 @@ int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
 		}
 		dev->video_mode.isoc_ctl.urb[i] = urb;
 
-		dev->video_mode.isoc_ctl.transfer_buffer[i] = usb_buffer_alloc(dev->udev,
-			sb_size, GFP_KERNEL, &urb->transfer_dma);
+		dev->video_mode.isoc_ctl.transfer_buffer[i] =
+		    usb_buffer_alloc(dev->udev, sb_size, GFP_KERNEL,
+				     &urb->transfer_dma);
 		if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) {
 			cx231xx_err("unable to allocate %i bytes for transfer"
-					" buffer %i%s\n",
-					sb_size, i,
-					in_interrupt()?" while in int":"");
+				    " buffer %i%s\n",
+				    sb_size, i,
+				    in_interrupt()? " while in int" : "");
 			cx231xx_uninit_isoc(dev);
 			return -ENOMEM;
 		}
 		memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size);
 
-		pipe = usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
+		pipe =
+		    usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr);
 
 		usb_fill_int_urb(urb, dev->udev, pipe,
-				 dev->video_mode.isoc_ctl.transfer_buffer[i], sb_size,
-				 cx231xx_irq_callback, dma_q, 1);
+				 dev->video_mode.isoc_ctl.transfer_buffer[i],
+				 sb_size, cx231xx_irq_callback, dma_q, 1);
 
 		urb->number_of_packets = max_packets;
 		urb->transfer_flags = URB_ISO_ASAP;
@@ -794,29 +825,30 @@ int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
 		for (j = 0; j < max_packets; j++) {
 			urb->iso_frame_desc[j].offset = k;
 			urb->iso_frame_desc[j].length =
-						dev->video_mode.isoc_ctl.max_pkt_size;
+			    dev->video_mode.isoc_ctl.max_pkt_size;
 			k += dev->video_mode.isoc_ctl.max_pkt_size;
 		}
 	}
 
 	init_waitqueue_head(&dma_q->wq);
 
-
 	/* submit urbs and enables IRQ */
 	for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) {
-		rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i], GFP_ATOMIC);
+		rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i],
+				    GFP_ATOMIC);
 		if (rc) {
 			cx231xx_err("submit of urb %i failed (error=%i)\n", i,
-				   rc);
+				    rc);
 			cx231xx_uninit_isoc(dev);
 			return rc;
 		}
 	}
 
-    cx231xx_capture_start(dev, 1, Raw_Video);
+	cx231xx_capture_start(dev, 1, Raw_Video);
 
 	return 0;
 }
+
 EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
 
 /************************************************************************************
@@ -824,171 +856,176 @@ EXPORT_SYMBOL_GPL(cx231xx_init_isoc);
 *************************************************************************************/
 int cx231xx_dev_init(struct cx231xx *dev)
 {
-    int errCode = 0;
+	int errCode = 0;
 
-    /* Initialize I2C bus */
+	/* Initialize I2C bus */
 
 	/* External Master 1 Bus */
 	dev->i2c_bus[0].nr = 0;
 	dev->i2c_bus[0].dev = dev;
-	dev->i2c_bus[0].i2c_period = I2C_SPEED_1M;  /* 1MHz */
-    dev->i2c_bus[0].i2c_nostop = 0;
-    dev->i2c_bus[0].i2c_reserve = 0;
+	dev->i2c_bus[0].i2c_period = I2C_SPEED_1M;	/* 1MHz */
+	dev->i2c_bus[0].i2c_nostop = 0;
+	dev->i2c_bus[0].i2c_reserve = 0;
 
 	/* External Master 2 Bus */
 	dev->i2c_bus[1].nr = 1;
 	dev->i2c_bus[1].dev = dev;
-	dev->i2c_bus[1].i2c_period =  I2C_SPEED_1M;  /* 1MHz */
-    dev->i2c_bus[1].i2c_nostop = 0;
-    dev->i2c_bus[1].i2c_reserve = 0;
+	dev->i2c_bus[1].i2c_period = I2C_SPEED_1M;	/* 1MHz */
+	dev->i2c_bus[1].i2c_nostop = 0;
+	dev->i2c_bus[1].i2c_reserve = 0;
 
 	/* Internal Master 3 Bus */
 	dev->i2c_bus[2].nr = 2;
 	dev->i2c_bus[2].dev = dev;
-	dev->i2c_bus[2].i2c_period = I2C_SPEED_400K; /* 400kHz */
-    dev->i2c_bus[2].i2c_nostop = 0;
-    dev->i2c_bus[2].i2c_reserve = 0;
+	dev->i2c_bus[2].i2c_period = I2C_SPEED_400K;	/* 400kHz */
+	dev->i2c_bus[2].i2c_nostop = 0;
+	dev->i2c_bus[2].i2c_reserve = 0;
 
-    /* register I2C buses */
+	/* register I2C buses */
 	cx231xx_i2c_register(&dev->i2c_bus[0]);
 	cx231xx_i2c_register(&dev->i2c_bus[1]);
 	cx231xx_i2c_register(&dev->i2c_bus[2]);
 
-    /* init hardware */
-    /* Note : with out calling set power mode function, colibri can not be set up correctly */
-    errCode = cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
-    if (errCode < 0) {
-        cx231xx_errdev("%s: cx231xx_set_power_mode : Failed to set Power - errCode [%d]!\n",
-			__func__, errCode);
+	/* init hardware */
+	/* Note : with out calling set power mode function, colibri can not be set up correctly */
+	errCode = cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
+	if (errCode < 0) {
+		cx231xx_errdev
+		    ("%s: cx231xx_set_power_mode : Failed to set Power - errCode [%d]!\n",
+		     __func__, errCode);
 		return errCode;
 	}
 
-    /* initialize Colibri block */
-    errCode = cx231xx_colibri_init_super_block(dev, 0x23c);
+	/* initialize Colibri block */
+	errCode = cx231xx_colibri_init_super_block(dev, 0x23c);
 	if (errCode < 0) {
-		cx231xx_errdev("%s: cx231xx_colibri init super block - errCode [%d]!\n",
-			__func__, errCode);
+		cx231xx_errdev
+		    ("%s: cx231xx_colibri init super block - errCode [%d]!\n",
+		     __func__, errCode);
 		return errCode;
 	}
-    errCode = cx231xx_colibri_init_channels(dev);
-    if (errCode < 0) {
-		cx231xx_errdev("%s: cx231xx_colibri init channels - errCode [%d]!\n",
-			__func__, errCode);
+	errCode = cx231xx_colibri_init_channels(dev);
+	if (errCode < 0) {
+		cx231xx_errdev
+		    ("%s: cx231xx_colibri init channels - errCode [%d]!\n",
+		     __func__, errCode);
 		return errCode;
 	}
 
-    /* Set DIF in By pass mode */
-    errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
-    if (errCode < 0) {
-		cx231xx_errdev("%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
-			__func__, errCode);
+	/* Set DIF in By pass mode */
+	errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND);
+	if (errCode < 0) {
+		cx231xx_errdev
+		    ("%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
+		     __func__, errCode);
 		return errCode;
 	}
 
-    /* flatiron related functions */
-    errCode = cx231xx_flatiron_initialize(dev);
-    if (errCode < 0) {
-		cx231xx_errdev("%s: cx231xx_flatiron initialize - errCode [%d]!\n",
-			__func__, errCode);
+	/* flatiron related functions */
+	errCode = cx231xx_flatiron_initialize(dev);
+	if (errCode < 0) {
+		cx231xx_errdev
+		    ("%s: cx231xx_flatiron initialize - errCode [%d]!\n",
+		     __func__, errCode);
 		return errCode;
 	}
 
-    /* init control pins */
-    errCode = cx231xx_init_ctrl_pin_status(dev);
-    if (errCode < 0) {
+	/* init control pins */
+	errCode = cx231xx_init_ctrl_pin_status(dev);
+	if (errCode < 0) {
 		cx231xx_errdev("%s: cx231xx_init ctrl pins - errCode [%d]!\n",
-			__func__, errCode);
+			       __func__, errCode);
 		return errCode;
 	}
 
-    /* set AGC mode to Analog */
-    errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
-    if (errCode < 0) {
-		cx231xx_errdev("%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
-			__func__, errCode);
+	/* set AGC mode to Analog */
+	errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1);
+	if (errCode < 0) {
+		cx231xx_errdev
+		    ("%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
+		     __func__, errCode);
 		return errCode;
 	}
 
-    /* set all alternate settings to zero initially */
-    cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
-    cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
-    cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
-    if(dev->board.has_dvb)
-        cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
+	/* set all alternate settings to zero initially */
+	cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
+	cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
+	cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
+	if (dev->board.has_dvb)
+		cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
 
-    /* set the I2C master port to 3 on channel 1 */
-    errCode = cx231xx_enable_i2c_for_tuner(dev, I2C_3);
+	/* set the I2C master port to 3 on channel 1 */
+	errCode = cx231xx_enable_i2c_for_tuner(dev, I2C_3);
 
 	return errCode;
 }
+
 EXPORT_SYMBOL_GPL(cx231xx_dev_init);
 
 void cx231xx_dev_uninit(struct cx231xx *dev)
 {
-    /* Un Initialize I2C bus */
+	/* Un Initialize I2C bus */
 	cx231xx_i2c_unregister(&dev->i2c_bus[2]);
 	cx231xx_i2c_unregister(&dev->i2c_bus[1]);
 	cx231xx_i2c_unregister(&dev->i2c_bus[0]);
 }
-EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
 
+EXPORT_SYMBOL_GPL(cx231xx_dev_uninit);
 
 /************************************************************************************
 *                              G P I O related functions                            *
 *************************************************************************************/
-int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8* gpio_val,
-                          u8 len, u8 request, u8 direction)
+int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 * gpio_val,
+			  u8 len, u8 request, u8 direction)
 {
-    int status = 0;
-    VENDOR_REQUEST_IN ven_req;
-
-    /* Set wValue */
-    ven_req.wValue = (u16)(gpio_bit>>16 & 0xffff);
-
-    /* set request */
-    if(!request){
-        if(direction)
-            ven_req.bRequest = VRT_GET_GPIO; /* 0x8 gpio */
-        else
-            ven_req.bRequest = VRT_SET_GPIO; /* 0x9 gpio */
-    }
-    else {
-        if(direction)
-            ven_req.bRequest = VRT_GET_GPIE; /* 0xa gpie */
-        else
-            ven_req.bRequest = VRT_SET_GPIE; /* 0xb gpie */
-    }
-
-    /* set index value */
-    ven_req.wIndex = (u16)(gpio_bit & 0xffff);
-
-    /* set wLength value */
-    ven_req.wLength = len;
-
-    /* set bData value */
-    ven_req.bData = 0;
-
-	/* set the buffer for read / write */
-    ven_req.pBuff = gpio_val;
+	int status = 0;
+	VENDOR_REQUEST_IN ven_req;
+
+	/* Set wValue */
+	ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff);
+
+	/* set request */
+	if (!request) {
+		if (direction)
+			ven_req.bRequest = VRT_GET_GPIO;	/* 0x8 gpio */
+		else
+			ven_req.bRequest = VRT_SET_GPIO;	/* 0x9 gpio */
+	} else {
+		if (direction)
+			ven_req.bRequest = VRT_GET_GPIE;	/* 0xa gpie */
+		else
+			ven_req.bRequest = VRT_SET_GPIE;	/* 0xb gpie */
+	}
 
-    /* set the direction */
-    if(direction){
-        ven_req.direction = USB_DIR_IN;
-        memset(ven_req.pBuff, 0x00, ven_req.wLength);
-    }
-    else
-        ven_req.direction = USB_DIR_OUT;
+	/* set index value */
+	ven_req.wIndex = (u16) (gpio_bit & 0xffff);
 
+	/* set wLength value */
+	ven_req.wLength = len;
 
+	/* set bData value */
+	ven_req.bData = 0;
 
-    /* call common vendor command request */
-    status = cx231xx_send_vendor_cmd(dev, &ven_req);
-    if (status < 0)
-    {
-        cx231xx_info("UsbInterface::sendCommand, output buffer failed with status -%d\n", status);
-    }
+	/* set the buffer for read / write */
+	ven_req.pBuff = gpio_val;
+
+	/* set the direction */
+	if (direction) {
+		ven_req.direction = USB_DIR_IN;
+		memset(ven_req.pBuff, 0x00, ven_req.wLength);
+	} else
+		ven_req.direction = USB_DIR_OUT;
+
+
+	/* call common vendor command request */
+	status = cx231xx_send_vendor_cmd(dev, &ven_req);
+	if (status < 0) {
+		cx231xx_info
+		    ("UsbInterface::sendCommand, output buffer failed with status -%d\n",
+		     status);
+	}
 
-    return status;
+	return status;
 }
 
 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
@@ -998,170 +1035,177 @@ EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd);
  *************************************************************************************/
 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode)
 {
-    u8  value[4] = {0x0, 0x0, 0x0, 0x0};
-    u32 tmp =0;
-    int status = 0;
+	u8 value[4] = { 0x0, 0x0, 0x0, 0x0 };
+	u32 tmp = 0;
+	int status = 0;
 
-    status = cx231xx_read_ctrl_reg(dev,VRT_GET_REGISTER, address,value,4);
-    if(status < 0)
-        return status;
+	status =
+	    cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4);
+	if (status < 0)
+		return status;
 
-    tmp = *((u32 *)value);
-    tmp |= mode;
+	tmp = *((u32 *) value);
+	tmp |= mode;
 
-    value[0]=(u8) tmp;
-    value[1]=(u8)(tmp>>8);
-    value[2]=(u8)(tmp>>16);
-    value[3]=(u8)(tmp>>24);
+	value[0] = (u8) tmp;
+	value[1] = (u8) (tmp >> 8);
+	value[2] = (u8) (tmp >> 16);
+	value[3] = (u8) (tmp >> 24);
 
-    status = cx231xx_write_ctrl_reg(dev,VRT_SET_REGISTER, address,value,4);
+	status =
+	    cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4);
 
-    return status;
+	return status;
 }
 
 /*************************************************************************************
  *                      I 2 C Internal C O N T R O L   functions                     *
  *************************************************************************************/
 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
-                           u8 saddr_len, u32 *data, u8 data_len)
+			  u8 saddr_len, u32 * data, u8 data_len)
 {
-    int status = 0;
-    struct cx231xx_i2c_xfer_data req_data;
-    u8 value[4] ={0,0,0,0};
-
-    if(saddr_len == 0)
-        saddr = 0;
-    else if(saddr_len == 0)
-        saddr &= 0xff;
-
-    /* prepare xfer_data struct */
-    req_data.dev_addr = dev_addr >> 1;
-    req_data.direction = I2C_M_RD;
-    req_data.saddr_len = saddr_len;
-    req_data.saddr_dat = saddr;
-    req_data.buf_size = data_len;
-    req_data.p_buffer = (u8*)value;
-
-    /* usb send command */
-    status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
-
-    if(status >= 0)
-    {
-        /* Copy the data read back to main buffer */
-        if(data_len == 1)
-            *data = value[0];
-        else
-            *data = value[0] | value[1] << 8 | value[2] << 16 | value[3] << 24;
-    }
-
-    return status;
+	int status = 0;
+	struct cx231xx_i2c_xfer_data req_data;
+	u8 value[4] = { 0, 0, 0, 0 };
+
+	if (saddr_len == 0)
+		saddr = 0;
+	else if (saddr_len == 0)
+		saddr &= 0xff;
+
+	/* prepare xfer_data struct */
+	req_data.dev_addr = dev_addr >> 1;
+	req_data.direction = I2C_M_RD;
+	req_data.saddr_len = saddr_len;
+	req_data.saddr_dat = saddr;
+	req_data.buf_size = data_len;
+	req_data.p_buffer = (u8 *) value;
+
+	/* usb send command */
+	status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
+
+	if (status >= 0) {
+		/* Copy the data read back to main buffer */
+		if (data_len == 1)
+			*data = value[0];
+		else
+			*data =
+			    value[0] | value[1] << 8 | value[2] << 16 | value[3]
+			    << 24;
+	}
+
+	return status;
 }
 
 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr,
-                           u8 saddr_len, u32 data, u8 data_len)
+			   u8 saddr_len, u32 data, u8 data_len)
 {
-    int status = 0;
-    u8 value[4] ={0,0,0,0};
-    struct cx231xx_i2c_xfer_data req_data;
-
-    value[0]=(u8)data;
-    value[1]=(u8)(data>>8);
-    value[2]=(u8)(data>>16);
-    value[3]=(u8)(data>>24);
-
-    if(saddr_len == 0)
-        saddr = 0;
-    else if(saddr_len == 0)
-        saddr &= 0xff;
-
-    /* prepare xfer_data struct */
-    req_data.dev_addr = dev_addr >> 1;
-    req_data.direction = 0;
-    req_data.saddr_len = saddr_len;
-    req_data.saddr_dat = saddr;
-    req_data.buf_size = data_len;
-    req_data.p_buffer = value;
-
-    /* usb send command */
-    status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
-
-    return status;
+	int status = 0;
+	u8 value[4] = { 0, 0, 0, 0 };
+	struct cx231xx_i2c_xfer_data req_data;
+
+	value[0] = (u8) data;
+	value[1] = (u8) (data >> 8);
+	value[2] = (u8) (data >> 16);
+	value[3] = (u8) (data >> 24);
+
+	if (saddr_len == 0)
+		saddr = 0;
+	else if (saddr_len == 0)
+		saddr &= 0xff;
+
+	/* prepare xfer_data struct */
+	req_data.dev_addr = dev_addr >> 1;
+	req_data.direction = 0;
+	req_data.saddr_len = saddr_len;
+	req_data.saddr_dat = saddr;
+	req_data.buf_size = data_len;
+	req_data.p_buffer = value;
+
+	/* usb send command */
+	status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data);
+
+	return status;
 }
 
-int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size, u16 register_address,
-                           u8 bit_start,u8 bit_end, u32 value)
+int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
+			   u16 register_address, u8 bit_start, u8 bit_end,
+			   u32 value)
 {
-    int status = 0;
-    u32 tmp;
-    u32 mask = 0;
-    int i;
-
-    if (bit_start>(size-1) || bit_end>(size-1)) {
-        return -1;
-    }
-
-    if (size==8){
-        status = cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, &tmp, 1);
-    } else {
-        status = cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, &tmp, 4);
-    }
-
-    if (status < 0) {
-        return status;
-    }
-
-    mask = 1<<bit_end;
-    for (i=bit_end; i>bit_start&&i>0; i--) {
-        mask = mask + (1<<(i-1));
-    }
-
-    value <<= bit_start;
-
-    if (size==8)
-    {
-        tmp &=  ~mask;
-        tmp |=  value;
-        tmp &= 0xff;
-        status = cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, tmp, 1);
-    }
-    else
-    {
-        tmp &=  ~mask;
-        tmp |=  value;
-        status = cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, tmp, 4);
-    }
-
-    return status;
-}
+	int status = 0;
+	u32 tmp;
+	u32 mask = 0;
+	int i;
+
+	if (bit_start > (size - 1) || bit_end > (size - 1)) {
+		return -1;
+	}
 
+	if (size == 8) {
+		status =
+		    cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
+					  &tmp, 1);
+	} else {
+		status =
+		    cx231xx_read_i2c_data(dev, dev_addr, register_address, 2,
+					  &tmp, 4);
+	}
 
+	if (status < 0) {
+		return status;
+	}
+
+	mask = 1 << bit_end;
+	for (i = bit_end; i > bit_start && i > 0; i--) {
+		mask = mask + (1 << (i - 1));
+	}
+
+	value <<= bit_start;
+
+	if (size == 8) {
+		tmp &= ~mask;
+		tmp |= value;
+		tmp &= 0xff;
+		status =
+		    cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
+					   tmp, 1);
+	} else {
+		tmp &= ~mask;
+		tmp |= value;
+		status =
+		    cx231xx_write_i2c_data(dev, dev_addr, register_address, 2,
+					   tmp, 4);
+	}
+
+	return status;
+}
 
 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
-                                       u16 saddr, u32 mask, u32 value)
+					u16 saddr, u32 mask, u32 value)
 {
-    u32   temp;
-    int status = 0;
+	u32 temp;
+	int status = 0;
 
-    status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4);
+	status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4);
 
-    if(status < 0)
-        return status;
+	if (status < 0)
+		return status;
 
-    temp &= ~mask;
-    temp |= value;
+	temp &= ~mask;
+	temp |= value;
 
-    status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4);
+	status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4);
 
-    return status;
+	return status;
 }
 
 u32 cx231xx_set_field(u32 field_mask, u32 data)
 {
-   u32 temp;
+	u32 temp;
 
-   for (temp = field_mask; (temp & 1) == 0; temp >>= 1) {
-      data <<= 1;
-   }
+	for (temp = field_mask; (temp & 1) == 0; temp >>= 1) {
+		data <<= 1;
+	}
 
-   return data;
+	return data;
 }