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

* master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb:
  V4L/DVB (3568k): zoran: Use i2c_master_send when possible
  V4L/DVB (3568j): adv7175: Drop unused encoder dump command
  V4L/DVB (3568i): adv7175: Drop unused register cache
  V4L/DVB (3568h): cpia: correct email address
  V4L/DVB (3568g): sem2mutex: zoran
  V4L/DVB (3568f): saa7110: Fix array overrun
  V4L/DVB (3568e): bt856: Spare memory
  V4L/DVB (3568d): saa7111.c fix
  V4L/DVB (3568c): zoran: Init cleanups
  V4L/DVB (3568b): saa7111: Prevent array overrun
  V4L/DVB (3568a): saa7114: Fix i2c block write

drivers/media/video/adv7170.c

@@ -124,24 +124,21 @@ adv7170_write_block (struct i2c_client *client,
 	if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
 		/* do raw I2C, not smbus compatible */
 		struct adv7170 *encoder = i2c_get_clientdata(client);
-		struct i2c_msg msg;
 		u8 block_data[32];
+		int block_len;
 
-		msg.addr = client->addr;
-		msg.flags = 0;
 		while (len >= 2) {
-			msg.buf = (char *) block_data;
-			msg.len = 0;
-			block_data[msg.len++] = reg = data[0];
+			block_len = 0;
+			block_data[block_len++] = reg = data[0];
 			do {
-				block_data[msg.len++] =
+				block_data[block_len++] =
 				    encoder->reg[reg++] = data[1];
 				len -= 2;
 				data += 2;
 			} while (len >= 2 && data[0] == reg &&
-				 msg.len < 32);
-			if ((ret = i2c_transfer(client->adapter,
-						&msg, 1)) < 0)
+				 block_len < 32);
+			if ((ret = i2c_master_send(client, block_data,
+						   block_len)) < 0)
 				break;
 		}
 	} else {

drivers/media/video/adv7175.c

@@ -67,8 +67,6 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)");
 /* ----------------------------------------------------------------------- */
 
 struct adv7175 {
-	unsigned char reg[128];
-
 	int norm;
 	int input;
 	int enable;
@@ -94,9 +92,6 @@ adv7175_write (struct i2c_client *client,
 	       u8                 reg,
 	       u8                 value)
 {
-	struct adv7175 *encoder = i2c_get_clientdata(client);
-
-	encoder->reg[reg] = value;
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
@@ -119,25 +114,21 @@ adv7175_write_block (struct i2c_client *client,
 	 * the adapter understands raw I2C */
 	if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
 		/* do raw I2C, not smbus compatible */
-		struct adv7175 *encoder = i2c_get_clientdata(client);
-		struct i2c_msg msg;
 		u8 block_data[32];
+		int block_len;
 
-		msg.addr = client->addr;
-		msg.flags = 0;
 		while (len >= 2) {
-			msg.buf = (char *) block_data;
-			msg.len = 0;
-			block_data[msg.len++] = reg = data[0];
+			block_len = 0;
+			block_data[block_len++] = reg = data[0];
 			do {
-				block_data[msg.len++] =
-				    encoder->reg[reg++] = data[1];
+				block_data[block_len++] = data[1];
+				reg++;
 				len -= 2;
 				data += 2;
 			} while (len >= 2 && data[0] == reg &&
-				 msg.len < 32);
-			if ((ret = i2c_transfer(client->adapter,
-						&msg, 1)) < 0)
+				 block_len < 32);
+			if ((ret = i2c_master_send(client, block_data,
+						   block_len)) < 0)
 				break;
 		}
 	} else {
@@ -170,24 +161,6 @@ set_subcarrier_freq (struct i2c_client *client,
 	adv7175_write(client, 0x05, 0x25);
 }
 
-#ifdef ENCODER_DUMP
-static void
-dump (struct i2c_client *client)
-{
-	struct adv7175 *encoder = i2c_get_clientdata(client);
-	int i, j;
-
-	printk(KERN_INFO "%s: registry dump\n", I2C_NAME(client));
-	for (i = 0; i < 182 / 8; i++) {
-		printk("%s: 0x%02x -", I2C_NAME(client), i * 8);
-		for (j = 0; j < 8; j++) {
-			printk(" 0x%02x", encoder->reg[i * 8 + j]);
-		}
-		printk("\n");
-	}
-}
-#endif
-
 /* ----------------------------------------------------------------------- */
 // Output filter:  S-Video  Composite
 
@@ -406,14 +379,6 @@ adv7175_command (struct i2c_client *client,
 	}
 		break;
 
-#ifdef ENCODER_DUMP
-	case ENCODER_DUMP:
-	{
-		dump(client);
-	}
-		break;
-#endif
-
 	default:
 		return -EINVAL;
 	}

drivers/media/video/bt819.c

@@ -140,24 +140,21 @@ bt819_write_block (struct i2c_client *client,
 	if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
 		/* do raw I2C, not smbus compatible */
 		struct bt819 *decoder = i2c_get_clientdata(client);
-		struct i2c_msg msg;
 		u8 block_data[32];
+		int block_len;
 
-		msg.addr = client->addr;
-		msg.flags = 0;
 		while (len >= 2) {
-			msg.buf = (char *) block_data;
-			msg.len = 0;
-			block_data[msg.len++] = reg = data[0];
+			block_len = 0;
+			block_data[block_len++] = reg = data[0];
 			do {
-				block_data[msg.len++] =
+				block_data[block_len++] =
 				    decoder->reg[reg++] = data[1];
 				len -= 2;
 				data += 2;
 			} while (len >= 2 && data[0] == reg &&
-				 msg.len < 32);
-			if ((ret = i2c_transfer(client->adapter,
-						&msg, 1)) < 0)
+				 block_len < 32);
+			if ((ret = i2c_master_send(client, block_data,
+						   block_len)) < 0)
 				break;
 		}
 	} else {

drivers/media/video/bt856.c

@@ -70,17 +70,14 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
 /* ----------------------------------------------------------------------- */
 
-#define REG_OFFSET  0xCE
+#define REG_OFFSET	0xDA
+#define BT856_NR_REG	6
 
 struct bt856 {
-	unsigned char reg[32];
+	unsigned char reg[BT856_NR_REG];
 
 	int norm;
 	int enable;
-	int bright;
-	int contrast;
-	int hue;
-	int sat;
 };
 
 #define   I2C_BT856        0x88
@@ -119,8 +116,8 @@ bt856_dump (struct i2c_client *client)
 	struct bt856 *encoder = i2c_get_clientdata(client);
 
 	printk(KERN_INFO "%s: register dump:", I2C_NAME(client));
-	for (i = 0xd6; i <= 0xde; i += 2)
-		printk(" %02x", encoder->reg[i - REG_OFFSET]);
+	for (i = 0; i < BT856_NR_REG; i += 2)
+		printk(" %02x", encoder->reg[i]);
 	printk("\n");
 }
 

drivers/media/video/cpia.c

@@ -58,7 +58,7 @@ static int video_nr = -1;
 
 #ifdef MODULE
 module_param(video_nr, int, 0);
-MODULE_AUTHOR("Scott J. Bertin <sbertin@securenym.net> & Peter Pregler <Peter_Pregler@email.com> & Johannes Erdfelt <johannes@erdfeld.com>");
+MODULE_AUTHOR("Scott J. Bertin <sbertin@securenym.net> & Peter Pregler <Peter_Pregler@email.com> & Johannes Erdfelt <johannes@erdfelt.com>");
 MODULE_DESCRIPTION("V4L-driver for Vision CPiA based cameras");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("video");

drivers/media/video/saa7110.c

@@ -107,13 +107,8 @@ saa7110_write_block (struct i2c_client *client,
 	 * the adapter understands raw I2C */
 	if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
 		struct saa7110 *decoder = i2c_get_clientdata(client);
-		struct i2c_msg msg;
 
-		msg.len = len;
-		msg.buf = (char *) data;
-		msg.addr = client->addr;
-		msg.flags = 0;
-		ret = i2c_transfer(client->adapter, &msg, 1);
+		ret = i2c_master_send(client, data, len);
 
 		/* Cache the written data */
 		memcpy(decoder->reg + reg, data + 1, len - 1);
@@ -431,15 +426,13 @@ saa7110_command (struct i2c_client *client,
 		break;
 
 	case DECODER_DUMP:
-		for (v = 0; v < 0x34; v += 16) {
+		for (v = 0; v < SAA7110_NR_REG; v += 16) {
 			int j;
-			dprintk(1, KERN_INFO "%s: %03x\n", I2C_NAME(client),
+			dprintk(1, KERN_DEBUG "%s: %02x:", I2C_NAME(client),
 				v);
-			for (j = 0; j < 16; j++) {
-				dprintk(1, KERN_INFO " %02x",
-					decoder->reg[v + j]);
-			}
-			dprintk(1, KERN_INFO "\n");
+			for (j = 0; j < 16 && v + j < SAA7110_NR_REG; j++)
+				dprintk(1, " %02x", decoder->reg[v + j]);
+			dprintk(1, "\n");
 		}
 		break;
 

drivers/media/video/saa7111.c

@@ -69,8 +69,10 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
 /* ----------------------------------------------------------------------- */
 
+#define SAA7111_NR_REG		0x18
+
 struct saa7111 {
-	unsigned char reg[32];
+	unsigned char reg[SAA7111_NR_REG];
 
 	int norm;
 	int input;
@@ -109,24 +111,21 @@ saa7111_write_block (struct i2c_client *client,
 	if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
 		/* do raw I2C, not smbus compatible */
 		struct saa7111 *decoder = i2c_get_clientdata(client);
-		struct i2c_msg msg;
 		u8 block_data[32];
+		int block_len;
 
-		msg.addr = client->addr;
-		msg.flags = 0;
 		while (len >= 2) {
-			msg.buf = (char *) block_data;
-			msg.len = 0;
-			block_data[msg.len++] = reg = data[0];
+			block_len = 0;
+			block_data[block_len++] = reg = data[0];
 			do {
-				block_data[msg.len++] =
+				block_data[block_len++] =
 				    decoder->reg[reg++] = data[1];
 				len -= 2;
 				data += 2;
 			} while (len >= 2 && data[0] == reg &&
-				 msg.len < 32);
-			if ((ret = i2c_transfer(client->adapter,
-						&msg, 1)) < 0)
+				 block_len < 32);
+			if ((ret = i2c_master_send(client, block_data,
+						   block_len)) < 0)
 				break;
 		}
 	} else {
@@ -209,6 +208,7 @@ saa7111_command (struct i2c_client *client,
 	switch (cmd) {
 
 	case 0:
+		break;
 	case DECODER_INIT:
 	{
 		struct video_decoder_init *init = arg;
@@ -226,11 +226,11 @@ saa7111_command (struct i2c_client *client,
 	{
 		int i;
 
-		for (i = 0; i < 32; i += 16) {
+		for (i = 0; i < SAA7111_NR_REG; i += 16) {
 			int j;
 
 			printk(KERN_DEBUG "%s: %03x", I2C_NAME(client), i);
-			for (j = 0; j < 16; ++j) {
+			for (j = 0; j < 16 && i + j < SAA7111_NR_REG; ++j) {
 				printk(" %02x",
 				       saa7111_read(client, i + j));
 			}

drivers/media/video/saa7114.c

@@ -138,9 +138,6 @@ saa7114_write (struct i2c_client *client,
 	       u8                 reg,
 	       u8                 value)
 {
-	/*struct saa7114 *decoder = i2c_get_clientdata(client);*/
-
-	/*decoder->reg[reg] = value;*/
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
@@ -156,25 +153,21 @@ saa7114_write_block (struct i2c_client *client,
 	 * the adapter understands raw I2C */
 	if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
 		/* do raw I2C, not smbus compatible */
-		/*struct saa7114 *decoder = i2c_get_clientdata(client);*/
-		struct i2c_msg msg;
 		u8 block_data[32];
+		int block_len;
 
-		msg.addr = client->addr;
-		msg.flags = 0;
 		while (len >= 2) {
-			msg.buf = (char *) block_data;
-			msg.len = 0;
-			block_data[msg.len++] = reg = data[0];
+			block_len = 0;
+			block_data[block_len++] = reg = data[0];
 			do {
-				block_data[msg.len++] =
-				    /*decoder->reg[reg++] =*/ data[1];
+				block_data[block_len++] = data[1];
+				reg++;
 				len -= 2;
 				data += 2;
 			} while (len >= 2 && data[0] == reg &&
-				 msg.len < 32);
-			if ((ret = i2c_transfer(client->adapter,
-						&msg, 1)) < 0)
+				 block_len < 32);
+			if ((ret = i2c_master_send(client, block_data,
+						   block_len)) < 0)
 				break;
 		}
 	} else {

drivers/media/video/saa7185.c

@@ -112,24 +112,21 @@ saa7185_write_block (struct i2c_client *client,
 	if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
 		/* do raw I2C, not smbus compatible */
 		struct saa7185 *encoder = i2c_get_clientdata(client);
-		struct i2c_msg msg;
 		u8 block_data[32];
+		int block_len;
 
-		msg.addr = client->addr;
-		msg.flags = 0;
 		while (len >= 2) {
-			msg.buf = (char *) block_data;
-			msg.len = 0;
-			block_data[msg.len++] = reg = data[0];
+			block_len = 0;
+			block_data[block_len++] = reg = data[0];
 			do {
-				block_data[msg.len++] =
+				block_data[block_len++] =
 				    encoder->reg[reg++] = data[1];
 				len -= 2;
 				data += 2;
 			} while (len >= 2 && data[0] == reg &&
-				 msg.len < 32);
-			if ((ret = i2c_transfer(client->adapter,
-						&msg, 1)) < 0)
+				 block_len < 32);
+			if ((ret = i2c_master_send(client, block_data,
+						   block_len)) < 0)
 				break;
 		}
 	} else {

drivers/media/video/zoran.h

@@ -395,7 +395,7 @@ struct zoran {
 	struct videocodec *codec;	/* video codec */
 	struct videocodec *vfe;	/* video front end */
 
-	struct semaphore resource_lock;	/* prevent evil stuff */
+	struct mutex resource_lock;	/* prevent evil stuff */
 
 	u8 initialized;		/* flag if zoran has been correctly initalized */
 	int user;		/* number of current users */

drivers/media/video/zoran_card.c

@@ -47,6 +47,7 @@
 #include <linux/interrupt.h>
 #include <linux/video_decoder.h>
 #include <linux/video_encoder.h>
+#include <linux/mutex.h>
 
 #include <asm/io.h>
 
@@ -673,7 +674,7 @@ zoran_i2c_client_register (struct i2c_client *client)
 		KERN_DEBUG "%s: i2c_client_register() - driver id = %d\n",
 		ZR_DEVNAME(zr), client->driver->id);
 
-	down(&zr->resource_lock);
+	mutex_lock(&zr->resource_lock);
 
 	if (zr->user > 0) {
 		/* we're already busy, so we keep a reference to
@@ -694,7 +695,7 @@ zoran_i2c_client_register (struct i2c_client *client)
 	}
 
 clientreg_unlock_and_return:
-	up(&zr->resource_lock);
+	mutex_unlock(&zr->resource_lock);
 
 	return res;
 }
@@ -707,7 +708,7 @@ zoran_i2c_client_unregister (struct i2c_client *client)
 
 	dprintk(2, KERN_DEBUG "%s: i2c_client_unregister()\n", ZR_DEVNAME(zr));
 
-	down(&zr->resource_lock);
+	mutex_lock(&zr->resource_lock);
 
 	if (zr->user > 0) {
 		res = -EBUSY;
@@ -722,7 +723,7 @@ zoran_i2c_client_unregister (struct i2c_client *client)
 		snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%d]", zr->id);
 	}
 clientunreg_unlock_and_return:
-	up(&zr->resource_lock);
+	mutex_unlock(&zr->resource_lock);
 	return res;
 }
 
@@ -995,10 +996,7 @@ test_interrupts (struct zoran *zr)
 static int __devinit
 zr36057_init (struct zoran *zr)
 {
-	u32 *mem;
-	void *vdev;
-	unsigned mem_needed;
-	int j;
+	int j, err;
 	int two = 2;
 	int zero = 0;
 
@@ -1049,19 +1047,16 @@ zr36057_init (struct zoran *zr)
 
 	/* allocate memory *before* doing anything to the hardware
 	 * in case allocation fails */
-	mem_needed = BUZ_NUM_STAT_COM * 4;
-	mem = kzalloc(mem_needed, GFP_KERNEL);
-	vdev = (void *) kmalloc(sizeof(struct video_device), GFP_KERNEL);
-	if (!mem || !vdev) {
+	zr->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL);
+	zr->video_dev = kmalloc(sizeof(struct video_device), GFP_KERNEL);
+	if (!zr->stat_com || !zr->video_dev) {
 		dprintk(1,
 			KERN_ERR
 			"%s: zr36057_init() - kmalloc (STAT_COM) failed\n",
 			ZR_DEVNAME(zr));
-		kfree(vdev);
-		kfree(mem);
-		return -ENOMEM;
+		err = -ENOMEM;
+		goto exit_free;
 	}
-	zr->stat_com = mem;
 	for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
 		zr->stat_com[j] = 1;	/* mark as unavailable to zr36057 */
 	}
@@ -1069,16 +1064,11 @@ zr36057_init (struct zoran *zr)
 	/*
 	 *   Now add the template and register the device unit.
 	 */
-	zr->video_dev = vdev;
 	memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template));
 	strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
-	if (video_register_device(zr->video_dev, VFL_TYPE_GRABBER,
-				  video_nr) < 0) {
-		zoran_unregister_i2c(zr);
-		kfree((void *) zr->stat_com);
-		kfree(vdev);
-		return -1;
-	}
+	err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr);
+	if (err < 0)
+		goto exit_unregister;
 
 	zoran_init_hardware(zr);
 	if (*zr_debug > 2)
@@ -1092,6 +1082,13 @@ zr36057_init (struct zoran *zr)
 	zr->zoran_proc = NULL;
 	zr->initialized = 1;
 	return 0;
+
+exit_unregister:
+	zoran_unregister_i2c(zr);
+exit_free:
+	kfree(zr->stat_com);
+	kfree(zr->video_dev);
+	return err;
 }
 
 static void
@@ -1121,7 +1118,7 @@ zoran_release (struct zoran *zr)
 	btwrite(0, ZR36057_SPGPPCR);
 	free_irq(zr->pci_dev->irq, zr);
 	/* unmap and free memory */
-	kfree((void *) zr->stat_com);
+	kfree(zr->stat_com);
 	zoran_proc_cleanup(zr);
 	iounmap(zr->zr36057_mem);
 	pci_disable_device(zr->pci_dev);
@@ -1206,7 +1203,7 @@ find_zr36057 (void)
 		zr->id = zoran_num;
 		snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
 		spin_lock_init(&zr->spinlock);
-		init_MUTEX(&zr->resource_lock);
+		mutex_init(&zr->resource_lock);
 		if (pci_enable_device(dev))
 			continue;
 		zr->zr36057_adr = pci_resource_start(zr->pci_dev, 0);