Commit e1bc80ad authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

V4L/DVB (3232): Several improvements at tvp5150 driver 




- Now reset do init tvp5150 registers to its default.
- Debug messages improved.
- Implemented video standard selection function.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@brturbo.com.br>
parent fc40b261

drivers/media/video/tvp5150.c

+362 −61
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 
#include <linux/videodev.h>

#include <linux/delay.h>

#include <linux/video_decoder.h>

#include <media/v4l2-common.h>



#include "tvp5150_reg.h"
@@ -28,10 +29,14 @@ static int debug = 0; 
module_param(debug, int, 0);

MODULE_PARM_DESC(debug, "Debug level (0-1)");



#define dprintk(num, format, args...) \

#define tvp5150_info(fmt, arg...) do { \

	printk(KERN_INFO "%s %d-%04x: " fmt, c->driver->name, \

	       i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)

#define tvp5150_dbg(num, fmt, arg...) \

	do { \

		if (debug >= num) \

			printk(format, ##args); \

			printk(KERN_DEBUG "%s debug %d-%04x: " fmt, c->driver->name, \

			       i2c_adapter_id(c->adapter), c->addr , ## arg); \

	} while (0)



/* supported controls */
@@ -94,12 +99,14 @@ static inline int tvp5150_read(struct i2c_client *c, unsigned char addr) 


	buffer[0] = addr;

	if (1 != (rc = i2c_master_send(c, buffer, 1)))

		dprintk(0, "i2c i/o error: rc == %d (should be 1)\n", rc);

		tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);



	msleep(10);



	if (1 != (rc = i2c_master_recv(c, buffer, 1)))

		dprintk(0, "i2c i/o error: rc == %d (should be 1)\n", rc);

		tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);



	tvp5150_dbg(2, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);



	return (buffer[0]);

}
@@ -109,13 +116,12 @@ static inline void tvp5150_write(struct i2c_client *c, unsigned char addr, 
{

	unsigned char buffer[2];

	int rc;

/*	struct tvp5150 *core = i2c_get_clientdata(c); */



	buffer[0] = addr;

	buffer[1] = value;

	dprintk(1, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);

	tvp5150_dbg(2, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);

	if (2 != (rc = i2c_master_send(c, buffer, 2)))

		dprintk(0, "i2c i/o error: rc == %d (should be 2)\n", rc);

		tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 2)\n", rc);

}



static void dump_reg(struct i2c_client *c)
@@ -458,40 +464,325 @@ static inline void tvp5150_selmux(struct i2c_client *c, 
	tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input);

};



static inline void tvp5150_reset(struct i2c_client *c)

struct i2c_reg_value {

	unsigned char reg;

	unsigned char value;

};



/* Default values as sugested at TVP5150AM1 datasheet */

static const struct i2c_reg_value tvp5150_init_default[] = {

	{ /* 0x00 */

		TVP5150_VD_IN_SRC_SEL_1,0x00

	},

	{ /* 0x01 */

		TVP5150_ANAL_CHL_CTL,0x15

	},

	{ /* 0x02 */

		TVP5150_OP_MODE_CTL,0x00

	},

	{ /* 0x03 */

		TVP5150_MISC_CTL,0x01

	},

	{ /* 0x06 */

		TVP5150_COLOR_KIL_THSH_CTL,0x10

	},

	{ /* 0x07 */

		TVP5150_LUMA_PROC_CTL_1,0x60

	},

	{ /* 0x08 */

		TVP5150_LUMA_PROC_CTL_2,0x00

	},

	{ /* 0x09 */

		TVP5150_BRIGHT_CTL,0x80

	},

	{ /* 0x0a */

		TVP5150_SATURATION_CTL,0x80

	},

	{ /* 0x0b */

		TVP5150_HUE_CTL,0x00

	},

	{ /* 0x0c */

		TVP5150_CONTRAST_CTL,0x80

	},

	{ /* 0x0d */

		TVP5150_DATA_RATE_SEL,0x47

	},

	{ /* 0x0e */

		TVP5150_LUMA_PROC_CTL_3,0x00

	},

	{ /* 0x0f */

		TVP5150_CONF_SHARED_PIN,0x08

	},

	{ /* 0x11 */

		TVP5150_ACT_VD_CROP_ST_MSB,0x00

	},

	{ /* 0x12 */

		TVP5150_ACT_VD_CROP_ST_LSB,0x00

	},

	{ /* 0x13 */

		TVP5150_ACT_VD_CROP_STP_MSB,0x00

	},

	{ /* 0x14 */

		TVP5150_ACT_VD_CROP_STP_LSB,0x00

	},

	{ /* 0x15 */

		TVP5150_GENLOCK,0x01

	},

	{ /* 0x16 */

		TVP5150_HORIZ_SYNC_START,0x80

	},

	{ /* 0x18 */

		TVP5150_VERT_BLANKING_START,0x00

	},

	{ /* 0x19 */

		TVP5150_VERT_BLANKING_STOP,0x00

	},

	{ /* 0x1a */

		TVP5150_CHROMA_PROC_CTL_1,0x0c

	},

	{ /* 0x1b */

		TVP5150_CHROMA_PROC_CTL_2,0x14

	},

	{ /* 0x1c */

		TVP5150_INT_RESET_REG_B,0x00

	},

	{ /* 0x1d */

		TVP5150_INT_ENABLE_REG_B,0x00

	},

	{ /* 0x1e */

		TVP5150_INTT_CONFIG_REG_B,0x00

	},

	{ /* 0x28 */

		TVP5150_VIDEO_STD,0x00

	},

	{ /* 0x2e */

		TVP5150_MACROVISION_ON_CTR,0x0f

	},

	{ /* 0x2f */

		TVP5150_MACROVISION_OFF_CTR,0x01

	},

	{ /* 0xbb */

		TVP5150_TELETEXT_FIL_ENA,0x00

	},

	{ /* 0xc0 */

		TVP5150_INT_STATUS_REG_A,0x00

	},

	{ /* 0xc1 */

		TVP5150_INT_ENABLE_REG_A,0x00

	},

	{ /* 0xc2 */

		TVP5150_INT_CONF,0x04

	},

	{ /* 0xc8 */

		TVP5150_FIFO_INT_THRESHOLD,0x80

	},

	{ /* 0xc9 */

		TVP5150_FIFO_RESET,0x00

	},

	{ /* 0xca */

		TVP5150_LINE_NUMBER_INT,0x00

	},

	{ /* 0xcb */

		TVP5150_PIX_ALIGN_REG_LOW,0x4e

	},

	{ /* 0xcc */

		TVP5150_PIX_ALIGN_REG_HIGH,0x00

	},

	{ /* 0xcd */

		TVP5150_FIFO_OUT_CTRL,0x01

	},

	{ /* 0xcf */

		TVP5150_FULL_FIELD_ENA_1,0x00

	},

	{ /* 0xd0 */

		TVP5150_FULL_FIELD_ENA_2,0x00

	},

	{ /* 0xfc */

		TVP5150_FULL_FIELD_MODE_REG,0x7f

	},

	{ /* end of data */

		0xff,0xff

	}

};



/* Default values as sugested at TVP5150AM1 datasheet */

static const struct i2c_reg_value tvp5150_init_enable[] = {

	{

	struct tvp5150 *decoder = i2c_get_clientdata(c);

		TVP5150_CONF_SHARED_PIN, 2

	},{	/* Automatic offset and AGC enabled */

		TVP5150_ANAL_CHL_CTL, 0x15

	},{	/* Activate YCrCb output 0x9 or 0xd ? */

		TVP5150_MISC_CTL, 0x6f

	},{	/* Activates video std autodetection for all standards */

		TVP5150_AUTOSW_MSK, 0x0

	},{	/* Default format: 0x47. For 4:2:2: 0x40 */

		TVP5150_DATA_RATE_SEL, 0x47

	},{

		TVP5150_CHROMA_PROC_CTL_1, 0x0c

	},{

		TVP5150_CHROMA_PROC_CTL_2, 0x54

	},{	/* Non documented, but initialized on WinTV USB2 */

		0x27, 0x20

	},{

		0xff,0xff

	}

};



	tvp5150_write(c, TVP5150_CONF_SHARED_PIN, 2);

struct i2c_vbi_ram_value {

	u16 reg;

	unsigned char values[26];

};



	/* Automatic offset and AGC enabled */

	tvp5150_write(c, TVP5150_ANAL_CHL_CTL, 0x15);

struct i2c_vbi_ram_value vbi_ram_default[] =

{

	{0x010, /* WST SECAM 6 */

		{ 0xaa, 0xaa, 0xff, 0xff , 0xe7, 0x2e, 0x20, 0x26, 0xe6, 0xb4, 0x0e, 0x0, 0x0, 0x0, 0x10, 0x0 }

	},

	{0x030, /* WST PAL B 6 */

		{ 0xaa, 0xaa, 0xff, 0xff , 0x27, 0x2e, 0x20, 0x2b, 0xa6, 0x72, 0x10, 0x0, 0x0, 0x0, 0x10, 0x0 }

	},

	{0x050, /* WST PAL C 6 */

		{ 0xaa, 0xaa, 0xff, 0xff , 0xe7, 0x2e, 0x20, 0x22, 0xa6, 0x98, 0x0d, 0x0, 0x0, 0x0, 0x10, 0x0 }

	},

	{0x070, /* WST NTSC 6 */

		{ 0xaa, 0xaa, 0xff, 0xff , 0x27, 0x2e, 0x20, 0x23, 0x69, 0x93, 0x0d, 0x0, 0x0, 0x0, 0x10, 0x0 }

	},

	{0x090, /* NABTS, NTSC 6 */

		{ 0xaa, 0xaa, 0xff, 0xff , 0xe7, 0x2e, 0x20, 0x22, 0x69, 0x93, 0x0d, 0x0, 0x0, 0x0, 0x15, 0x0 }

	},

	{0x0b0, /* NABTS, NTSC-J 6 */

		{ 0xaa, 0xaa, 0xff, 0xff , 0xa7, 0x2e, 0x20, 0x23, 0x69, 0x93, 0x0d, 0x0, 0x0, 0x0, 0x10, 0x0 }

	},

	{0x0d0, /* CC, PAL/SECAM 6 */

		{ 0xaa, 0x2a, 0xff, 0x3f , 0x04, 0x51, 0x6e, 0x02, 0xa6, 0x7b, 0x09, 0x0, 0x0, 0x0, 0x27, 0x0 }

	},

	{0x0f0, /* CC, NTSC 6 */

		{ 0xaa, 0x2a, 0xff, 0x3f , 0x04, 0x51, 0x6e, 0x02, 0x69, 0x8c, 0x09, 0x0, 0x0, 0x0, 0x27, 0x0 }

	},

	{0x110, /* WSS, PAL/SECAM 6 */

		{ 0x5b, 0x55, 0xc5, 0xff , 0x0, 0x71, 0x6e, 0x42, 0xa6, 0xcd, 0x0f, 0x0, 0x0, 0x0, 0x3a, 0x0 }

	},

	{0x130, /* WSS, NTSC C */

		{ 0x38, 0x00, 0x3f, 0x00 , 0x0, 0x71, 0x6e, 0x43, 0x69, 0x7c, 0x08, 0x0, 0x0, 0x0, 0x39, 0x0 }

	},

	{0x150, /* VITC, PAL/SECAM 6 */

		{ 0x0, 0x0, 0x0, 0x0 , 0x0, 0x8f, 0x6d, 0x49, 0xa6, 0x85, 0x08, 0x0, 0x0, 0x0, 0x4c, 0x0 }

	},

	{0x170, /* VITC, NTSC 6 */

		{ 0x0, 0x0, 0x0, 0x0 , 0x0, 0x8f, 0x6d, 0x49, 0x69, 0x94, 0x08, 0x0, 0x0, 0x0, 0x4c, 0x0 }

	},

	{ (u16)-1 }

};



	/* Normal Operation */

//      tvp5150_write(c, TVP5150_OP_MODE_CTL, 0x00);

static int tvp5150_write_inittab(struct i2c_client *c,

				 const struct i2c_reg_value *regs)

{

	while (regs->reg != 0xff) {

		tvp5150_write(c, regs->reg, regs->value);

		regs++;

	}

	return 0;

}



	/* Activate YCrCb output 0x9 or 0xd ? */

	tvp5150_write(c, TVP5150_MISC_CTL, 0x6f);

static int tvp5150_vdp_init(struct i2c_client *c,

				 const struct i2c_vbi_ram_value *regs)

{

	unsigned int i;



	/* Activates video std autodetection for all standards */

	tvp5150_write(c, TVP5150_AUTOSW_MSK, 0x0);

	/* Disable Full Field */

	tvp5150_write(c, TVP5150_FULL_FIELD_ENA_1, 0);



	/* Default format: 0x47, 4:2:2: 0x40 */

	tvp5150_write(c, TVP5150_DATA_RATE_SEL, 0x47);

	/* Before programming, Line mode should be at 0xff */

	for (i=TVP5150_FULL_FIELD_ENA_2; i<=TVP5150_LINE_MODE_REG_44; i++)

		tvp5150_write(c, i, 0xff);



	tvp5150_selmux(c, decoder->input);

	/* Load Ram Table */

	while (regs->reg != (u16)-1 ) {

		tvp5150_write(c, TVP5150_CONF_RAM_ADDR_HIGH,regs->reg>>8);

		tvp5150_write(c, TVP5150_CONF_RAM_ADDR_LOW,regs->reg);



		for (i=0;i<16;i++)

			tvp5150_write(c, TVP5150_VDP_CONF_RAM_DATA,regs->values[i]);



		regs++;

	}

	return 0;

}



static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)

{

	struct tvp5150 *decoder = i2c_get_clientdata(c);

	int fmt=0;



	decoder->norm=std;



	/* First tests should be against specific std */



	if (std == V4L2_STD_ALL) {

		fmt=0;	/* Autodetect mode */

	} else if (std & V4L2_STD_NTSC_443) {

		fmt=0xa;

	} else if (std & V4L2_STD_PAL_M) {

		fmt=0x6;

	} else if (std & (V4L2_STD_PAL_N| V4L2_STD_PAL_Nc)) {

		fmt=0x8;

	} else {

		/* Then, test against generic ones */

		if (std & V4L2_STD_NTSC) {

			fmt=0x2;

		} else if (std & V4L2_STD_PAL) {

			fmt=0x4;

		} else if (std & V4L2_STD_SECAM) {

			fmt=0xc;

		}

	}



	tvp5150_dbg(1,"Set video std register to %d.\n",fmt);

	tvp5150_write(c, TVP5150_VIDEO_STD, fmt);



	tvp5150_write(c, TVP5150_CHROMA_PROC_CTL_1, 0x0c);

	tvp5150_write(c, TVP5150_CHROMA_PROC_CTL_2, 0x54);

	return 0;

}



	tvp5150_write(c, 0x27, 0x20);	/* ?????????? */

static inline void tvp5150_reset(struct i2c_client *c)

{

	u8 type, ver_656, msb_id, lsb_id, msb_rom, lsb_rom;

	struct tvp5150 *decoder = i2c_get_clientdata(c);



	type=tvp5150_read(c,TVP5150_AUTOSW_MSK);

	msb_id=tvp5150_read(c,TVP5150_MSB_DEV_ID);

	lsb_id=tvp5150_read(c,TVP5150_LSB_DEV_ID);

	msb_rom=tvp5150_read(c,TVP5150_ROM_MAJOR_VER);

	lsb_rom=tvp5150_read(c,TVP5150_ROM_MINOR_VER);



	if (type==0xdc) {

		ver_656=tvp5150_read(c,TVP5150_REV_SELECT);

		tvp5150_info("tvp%02x%02xam1 detected 656 version is %d.\n",msb_id, lsb_id,ver_656);

	} else if (type==0xfc) {

		tvp5150_info("tvp%02x%02xa detected.\n",msb_id, lsb_id);

	} else {

		tvp5150_info("unknown tvp%02x%02x chip detected(%d).\n",msb_id,lsb_id,type);

	}

	tvp5150_info("Rom ver is %d.%d\n",msb_rom,lsb_rom);



	tvp5150_write(c, TVP5150_VIDEO_STD, 0x0);	/* Auto switch */

	/* Initializes TVP5150 to its default values */

	tvp5150_write_inittab(c, tvp5150_init_default);



	/* Initializes VDP registers */

	tvp5150_vdp_init(c, vbi_ram_default);



	/* Selects decoder input */

	tvp5150_selmux(c, decoder->input);



	/* Initializes TVP5150 to stream enabled values */

	tvp5150_write_inittab(c, tvp5150_init_enable);



	/* Initialize image preferences */

	tvp5150_write(c, TVP5150_BRIGHT_CTL, decoder->bright >> 8);

	tvp5150_write(c, TVP5150_CONTRAST_CTL, decoder->contrast >> 8);

	tvp5150_write(c, TVP5150_SATURATION_CTL, decoder->contrast >> 8);

	tvp5150_write(c, TVP5150_HUE_CTL, (decoder->hue - 32768) >> 8);



	tvp5150_set_std(c, decoder->norm);

};



static int tvp5150_get_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
@@ -539,20 +830,28 @@ static int tvp5150_set_ctrl(struct i2c_client *c, struct v4l2_control *ctrl) 
/****************************************************************************

			I2C Command

 ****************************************************************************/

static int tvp5150_command(struct i2c_client *client,

static int tvp5150_command(struct i2c_client *c,

			   unsigned int cmd, void *arg)

{

	struct tvp5150 *decoder = i2c_get_clientdata(client);

	struct tvp5150 *decoder = i2c_get_clientdata(c);



	switch (cmd) {



	case 0:

	case VIDIOC_INT_RESET:

	case DECODER_INIT:

		tvp5150_reset(client);

		tvp5150_reset(c);

		break;

	case VIDIOC_S_STD:

		if (decoder->norm == *(v4l2_std_id *)arg)

			break;

		return tvp5150_set_std(c, *(v4l2_std_id *)arg);

	case VIDIOC_G_STD:

		*(v4l2_std_id *)arg = decoder->norm;

		break;



	case DECODER_DUMP:

		dump_reg(client);

		dump_reg(c);

		break;



	case DECODER_GET_CAPABILITIES:
@@ -611,7 +910,7 @@ static int tvp5150_command(struct i2c_client *client, 
			}



			decoder->input = *iarg;

			tvp5150_selmux(client, decoder->input);

			tvp5150_selmux(c, decoder->input);



			break;

		}
@@ -631,7 +930,7 @@ static int tvp5150_command(struct i2c_client *client, 


			decoder->enable = (*iarg != 0);



			tvp5150_selmux(client, decoder->input);

			tvp5150_selmux(c, decoder->input);



			break;

		}
@@ -640,7 +939,7 @@ static int tvp5150_command(struct i2c_client *client, 
			struct v4l2_queryctrl *qc = arg;

			int i;



			dprintk(1, KERN_DEBUG "VIDIOC_QUERYCTRL");

			tvp5150_dbg(1, "VIDIOC_QUERYCTRL called\n");



			for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++)

				if (qc->id && qc->id == tvp5150_qctrl[i].id) {
@@ -654,15 +953,14 @@ static int tvp5150_command(struct i2c_client *client, 
	case VIDIOC_G_CTRL:

		{

			struct v4l2_control *ctrl = arg;

			dprintk(1, KERN_DEBUG "VIDIOC_G_CTRL");

			tvp5150_dbg(1, "VIDIOC_G_CTRL called\n");



			return tvp5150_get_ctrl(client, ctrl);

			return tvp5150_get_ctrl(c, ctrl);

		}

	case VIDIOC_S_CTRL:

		{

			struct v4l2_control *ctrl = arg;

			u8 i, n;

			dprintk(1, KERN_DEBUG "VIDIOC_S_CTRL");

			n = sizeof(tvp5150_qctrl) / sizeof(tvp5150_qctrl[0]);

			for (i = 0; i < n; i++)

				if (ctrl->id == tvp5150_qctrl[i].id) {
@@ -671,11 +969,10 @@ static int tvp5150_command(struct i2c_client *client, 
					    || ctrl->value >

					    tvp5150_qctrl[i].maximum)

						return -ERANGE;

					dprintk(1,

						KERN_DEBUG

						"VIDIOC_S_CTRL: id=%d, value=%d",

					tvp5150_dbg(1,

						"VIDIOC_S_CTRL: id=%d, value=%d\n",

						ctrl->id, ctrl->value);

					return tvp5150_set_ctrl(client, ctrl);

					return tvp5150_set_ctrl(c, ctrl);

				}

			return -EINVAL;

		}
@@ -686,25 +983,25 @@ static int tvp5150_command(struct i2c_client *client, 
			if (decoder->bright != pic->brightness) {

				/* We want 0 to 255 we get 0-65535 */

				decoder->bright = pic->brightness;

				tvp5150_write(client, TVP5150_BRIGHT_CTL,

				tvp5150_write(c, TVP5150_BRIGHT_CTL,

					      decoder->bright >> 8);

			}

			if (decoder->contrast != pic->contrast) {

				/* We want 0 to 255 we get 0-65535 */

				decoder->contrast = pic->contrast;

				tvp5150_write(client, TVP5150_CONTRAST_CTL,

				tvp5150_write(c, TVP5150_CONTRAST_CTL,

					      decoder->contrast >> 8);

			}

			if (decoder->sat != pic->colour) {

				/* We want 0 to 255 we get 0-65535 */

				decoder->sat = pic->colour;

				tvp5150_write(client, TVP5150_SATURATION_CTL,

				tvp5150_write(c, TVP5150_SATURATION_CTL,

					      decoder->contrast >> 8);

			}

			if (decoder->hue != pic->hue) {

				/* We want -128 to 127 we get 0-65535 */

				decoder->hue = pic->hue;

				tvp5150_write(client, TVP5150_HUE_CTL,

				tvp5150_write(c, TVP5150_HUE_CTL,

					      (decoder->hue - 32768) >> 8);

			}

			break;
@@ -729,12 +1026,12 @@ static struct i2c_client client_template = { 
static int tvp5150_detect_client(struct i2c_adapter *adapter,

				 int address, int kind)

{

	struct i2c_client *client;

	struct i2c_client *c;

	struct tvp5150 *core;

	int rv;



	dprintk(1,

		KERN_INFO

	if (debug)

		printk( KERN_INFO

		"tvp5150.c: detecting tvp5150 client on address 0x%x\n",

		address << 1);
@@ -747,22 +1044,22 @@ static int tvp5150_detect_client(struct i2c_adapter *adapter, 
	     I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))

		return 0;



	client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);

	if (client == 0)

	c = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);

	if (c == 0)

		return -ENOMEM;

	memcpy(client, &client_template, sizeof(struct i2c_client));

	memcpy(c, &client_template, sizeof(struct i2c_client));



	core = kmalloc(sizeof(struct tvp5150), GFP_KERNEL);

	if (core == 0) {

		kfree(client);

		kfree(c);

		return -ENOMEM;

	}

	memset(core, 0, sizeof(struct tvp5150));

	i2c_set_clientdata(client, core);

	i2c_set_clientdata(c, core);



	rv = i2c_attach_client(client);

	rv = i2c_attach_client(c);



	core->norm = VIDEO_MODE_AUTO;

	core->norm = V4L2_STD_ALL;

	core->input = 2;

	core->enable = 1;

	core->bright = 32768;
@@ -771,37 +1068,41 @@ static int tvp5150_detect_client(struct i2c_adapter *adapter, 
	core->sat = 32768;



	if (rv) {

		kfree(client);

		kfree(c);

		kfree(core);

		return rv;

	}



	if (debug > 1)

		dump_reg(client);

		dump_reg(c);

	return 0;

}



static int tvp5150_attach_adapter(struct i2c_adapter *adapter)

{

	dprintk(1,

		KERN_INFO

	if (debug)

		printk( KERN_INFO

		"tvp5150.c: starting probe for adapter %s (0x%x)\n",

		adapter->name, adapter->id);

	return i2c_probe(adapter, &addr_data, &tvp5150_detect_client);

}



static int tvp5150_detach_client(struct i2c_client *client)

static int tvp5150_detach_client(struct i2c_client *c)

{

	struct tvp5150 *decoder = i2c_get_clientdata(client);

	struct tvp5150 *decoder = i2c_get_clientdata(c);

	int err;



	err = i2c_detach_client(client);

	tvp5150_dbg(1,

		"tvp5150.c: removing tvp5150 adapter on address 0x%x\n",

		c->addr << 1);



	err = i2c_detach_client(c);

	if (err) {

		return err;

	}



	kfree(decoder);

	kfree(client);

	kfree(c);



	return 0;

}