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

12 files changed, 200 insertions, 263 deletions

diff --git a/drivers/media/video/adv7170.c b/drivers/media/video/adv7170.c
index 6e2004cdec1f..671e36db224d 100644
--- a/drivers/media/video/adv7170.c
+++ b/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 {
diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c
index 6b17247adf87..085e8863cacb 100644
--- a/drivers/media/video/adv7175.c
+++ b/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;
 	}
diff --git a/drivers/media/video/bt819.c b/drivers/media/video/bt819.c
index 2bf63e7ab4e6..d8a18a6a5bee 100644
--- a/drivers/media/video/bt819.c
+++ b/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 {
diff --git a/drivers/media/video/bt856.c b/drivers/media/video/bt856.c
index da3be00ae2fb..4d47a0a0e974 100644
--- a/drivers/media/video/bt856.c
+++ b/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");
 }
 
diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c
index d93a561e6b80..3cebfa91ca14 100644
--- a/drivers/media/video/cpia.c
+++ b/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");
diff --git a/drivers/media/video/saa7110.c b/drivers/media/video/saa7110.c
index dff06895171b..e18ea268384b 100644
--- a/drivers/media/video/saa7110.c
+++ b/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;
 
diff --git a/drivers/media/video/saa7111.c b/drivers/media/video/saa7111.c
index 5e06cc98442d..f9ba0c943adf 100644
--- a/drivers/media/video/saa7111.c
+++ b/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));
 			}
diff --git a/drivers/media/video/saa7114.c b/drivers/media/video/saa7114.c
index ce5a740e923e..4a1f841d0c77 100644
--- a/drivers/media/video/saa7114.c
+++ b/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 {
diff --git a/drivers/media/video/saa7185.c b/drivers/media/video/saa7185.c
index e1718e85f6c4..9f99ee1303e0 100644
--- a/drivers/media/video/saa7185.c
+++ b/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 {
diff --git a/drivers/media/video/zoran.h b/drivers/media/video/zoran.h
index 9fe6ad3b6352..ad04a129499d 100644
--- a/drivers/media/video/zoran.h
+++ b/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 */
diff --git a/drivers/media/video/zoran_card.c b/drivers/media/video/zoran_card.c
index 246e67cd8b51..b22dbb6d18f6 100644
--- a/drivers/media/video/zoran_card.c
+++ b/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);
diff --git a/drivers/media/video/zoran_driver.c b/drivers/media/video/zoran_driver.c
index 485553be190b..b2c6e01e3923 100644
--- a/drivers/media/video/zoran_driver.c
+++ b/drivers/media/video/zoran_driver.c
@@ -81,6 +81,7 @@
 
 #include <linux/video_decoder.h>
 #include <linux/video_encoder.h>
+#include <linux/mutex.h>
 #include "zoran.h"
 #include "zoran_device.h"
 #include "zoran_card.h"
@@ -1292,7 +1293,7 @@ zoran_open (struct inode *inode,
 
 	/* see fs/device.c - the kernel already locks during open(),
 	 * so locking ourselves only causes deadlocks */
-	/*down(&zr->resource_lock);*/
+	/*mutex_lock(&zr->resource_lock);*/
 
 	if (!zr->decoder) {
 		dprintk(1,
@@ -1371,7 +1372,7 @@ zoran_open (struct inode *inode,
 	if (zr->user++ == 0)
 		first_open = 1;
 
-	/*up(&zr->resource_lock);*/
+	/*mutex_unlock(&zr->resource_lock);*/
 
 	/* default setup - TODO: look at flags */
 	if (first_open) {	/* First device open */
@@ -1401,7 +1402,7 @@ open_unlock_and_return:
 
 	/* if there's no device found, we didn't obtain the lock either */
 	if (zr) {
-		/*up(&zr->resource_lock);*/
+		/*mutex_unlock(&zr->resource_lock);*/
 	}
 
 	return res;
@@ -1419,7 +1420,7 @@ zoran_close (struct inode *inode,
 
 	/* kernel locks (fs/device.c), so don't do that ourselves
 	 * (prevents deadlocks) */
-	/*down(&zr->resource_lock);*/
+	/*mutex_lock(&zr->resource_lock);*/
 
 	zoran_close_end_session(file);
 
@@ -1466,7 +1467,7 @@ zoran_close (struct inode *inode,
 	}
 	module_put(THIS_MODULE);
 
-	/*up(&zr->resource_lock);*/
+	/*mutex_unlock(&zr->resource_lock);*/
 
 	dprintk(4, KERN_INFO "%s: zoran_close() done\n", ZR_DEVNAME(zr));
 
@@ -2027,14 +2028,14 @@ zoran_do_ioctl (struct inode *inode,
 	 * but moving the free code outside the munmap() handler fixes
 	 * all this... If someone knows why, please explain me (Ronald)
 	 */
-	if (!down_trylock(&zr->resource_lock)) {
+	if (!!mutex_trylock(&zr->resource_lock)) {
 		/* we obtained it! Let's try to free some things */
 		if (fh->jpg_buffers.ready_to_be_freed)
 			jpg_fbuffer_free(file);
 		if (fh->v4l_buffers.ready_to_be_freed)
 			v4l_fbuffer_free(file);
 
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 	}
 
 	switch (cmd) {
@@ -2051,12 +2052,12 @@ zoran_do_ioctl (struct inode *inode,
 
 		vcap->channels = zr->card.inputs;
 		vcap->audios = 0;
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		vcap->maxwidth = BUZ_MAX_WIDTH;
 		vcap->maxheight = BUZ_MAX_HEIGHT;
 		vcap->minwidth = BUZ_MIN_WIDTH;
 		vcap->minheight = BUZ_MIN_HEIGHT;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -2084,9 +2085,9 @@ zoran_do_ioctl (struct inode *inode,
 		vchan->tuners = 0;
 		vchan->flags = 0;
 		vchan->type = VIDEO_TYPE_CAMERA;
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		vchan->norm = zr->norm;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		vchan->channel = channel;
 
 		return 0;
@@ -2113,7 +2114,7 @@ zoran_do_ioctl (struct inode *inode,
 			"%s: VIDIOCSCHAN - channel=%d, norm=%d\n",
 			ZR_DEVNAME(zr), vchan->channel, vchan->norm);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		if ((res = zoran_set_input(zr, vchan->channel)))
 			goto schan_unlock_and_return;
 		if ((res = zoran_set_norm(zr, vchan->norm)))
@@ -2122,7 +2123,7 @@ zoran_do_ioctl (struct inode *inode,
 		/* Make sure the changes come into effect */
 		res = wait_grab_pending(zr);
 	schan_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return res;
 	}
 		break;
@@ -2134,7 +2135,7 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOCGPICT\n", ZR_DEVNAME(zr));
 
 		memset(vpict, 0, sizeof(struct video_picture));
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		vpict->hue = zr->hue;
 		vpict->brightness = zr->brightness;
 		vpict->contrast = zr->contrast;
@@ -2145,7 +2146,7 @@ zoran_do_ioctl (struct inode *inode,
 		} else {
 			vpict->depth = 0;
 		}
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -2180,7 +2181,7 @@ zoran_do_ioctl (struct inode *inode,
 			return -EINVAL;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		decoder_command(zr, DECODER_SET_PICTURE, vpict);
 
@@ -2191,7 +2192,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		fh->overlay_settings.format = &zoran_formats[i];
 
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -2204,9 +2205,9 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOCCAPTURE - on=%d\n",
 			ZR_DEVNAME(zr), *on);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = setup_overlay(file, *on);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2219,12 +2220,12 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOCGWIN\n", ZR_DEVNAME(zr));
 
 		memset(vwin, 0, sizeof(struct video_window));
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		vwin->x = fh->overlay_settings.x;
 		vwin->y = fh->overlay_settings.y;
 		vwin->width = fh->overlay_settings.width;
 		vwin->height = fh->overlay_settings.height;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		vwin->clipcount = 0;
 		return 0;
 	}
@@ -2241,12 +2242,12 @@ zoran_do_ioctl (struct inode *inode,
 			ZR_DEVNAME(zr), vwin->x, vwin->y, vwin->width,
 			vwin->height, vwin->clipcount);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res =
 		    setup_window(file, vwin->x, vwin->y, vwin->width,
 				 vwin->height, vwin->clips,
 				 vwin->clipcount, NULL);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2258,9 +2259,9 @@ zoran_do_ioctl (struct inode *inode,
 
 		dprintk(3, KERN_DEBUG "%s: VIDIOCGFBUF\n", ZR_DEVNAME(zr));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		*vbuf = zr->buffer;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return 0;
 	}
 		break;
@@ -2287,12 +2288,12 @@ zoran_do_ioctl (struct inode *inode,
 			return -EINVAL;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res =
 		    setup_fbuffer(file, vbuf->base, &zoran_formats[i],
 				  vbuf->width, vbuf->height,
 				  vbuf->bytesperline);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2305,9 +2306,9 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOCSYNC - frame=%d\n",
 			ZR_DEVNAME(zr), *frame);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = v4l_sync(file, *frame);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		if (!res)
 			zr->v4l_sync_tail++;
 		return res;
@@ -2325,9 +2326,9 @@ zoran_do_ioctl (struct inode *inode,
 			ZR_DEVNAME(zr), vmap->frame, vmap->width, vmap->height,
 			vmap->format);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = v4l_grab(file, vmap);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return res;
 	}
 		break;
@@ -2348,7 +2349,7 @@ zoran_do_ioctl (struct inode *inode,
 			    i * fh->v4l_buffers.buffer_size;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) {
 			dprintk(1,
@@ -2367,7 +2368,7 @@ zoran_do_ioctl (struct inode *inode,
 		/* The next mmap will map the V4L buffers */
 		fh->map_mode = ZORAN_MAP_MODE_RAW;
 	v4l1reqbuf_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2421,7 +2422,7 @@ zoran_do_ioctl (struct inode *inode,
 		bparams->major_version = MAJOR_VERSION;
 		bparams->minor_version = MINOR_VERSION;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		bparams->norm = zr->norm;
 		bparams->input = zr->input;
@@ -2450,7 +2451,7 @@ zoran_do_ioctl (struct inode *inode,
 		bparams->jpeg_markers =
 		    fh->jpg_settings.jpg_comp.jpeg_markers;
 
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		bparams->VFIFO_FB = 0;
 
@@ -2486,7 +2487,7 @@ zoran_do_ioctl (struct inode *inode,
 		       sizeof(bparams->COM_data));
 		settings.jpg_comp.jpeg_markers = bparams->jpeg_markers;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (zr->codec_mode != BUZ_MODE_IDLE) {
 			dprintk(1,
@@ -2506,7 +2507,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		fh->jpg_settings = settings;
 	sparams_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2538,7 +2539,7 @@ zoran_do_ioctl (struct inode *inode,
 		    breq->size > MAX_KMALLOC_MEM)
 			breq->size = MAX_KMALLOC_MEM;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) {
 			dprintk(1,
@@ -2561,7 +2562,7 @@ zoran_do_ioctl (struct inode *inode,
 		 * also be *_PLAY, but it doesn't matter here */
 		fh->map_mode = ZORAN_MAP_MODE_JPG_REC;
 	jpgreqbuf_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2574,9 +2575,9 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: BUZIOC_QBUF_CAPT - frame=%d\n",
 			ZR_DEVNAME(zr), *frame);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = jpg_qbuf(file, *frame, BUZ_MODE_MOTION_COMPRESS);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2589,9 +2590,9 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: BUZIOC_QBUF_PLAY - frame=%d\n",
 			ZR_DEVNAME(zr), *frame);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = jpg_qbuf(file, *frame, BUZ_MODE_MOTION_DECOMPRESS);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2604,9 +2605,9 @@ zoran_do_ioctl (struct inode *inode,
 
 		dprintk(3, KERN_DEBUG "%s: BUZIOC_SYNC\n", ZR_DEVNAME(zr));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = jpg_sync(file, bsync);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2630,7 +2631,7 @@ zoran_do_ioctl (struct inode *inode,
 		input = zr->card.input[bstat->input].muxsel;
 		norm = VIDEO_MODE_AUTO;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (zr->codec_mode != BUZ_MODE_IDLE) {
 			dprintk(1,
@@ -2655,7 +2656,7 @@ zoran_do_ioctl (struct inode *inode,
 		decoder_command(zr, DECODER_SET_INPUT, &input);
 		decoder_command(zr, DECODER_SET_NORM, &zr->norm);
 	gstat_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		if (!res) {
 			bstat->signal =
@@ -2763,7 +2764,7 @@ zoran_do_ioctl (struct inode *inode,
 		switch (fmt->type) {
 		case V4L2_BUF_TYPE_VIDEO_OVERLAY:
 
-			down(&zr->resource_lock);
+			mutex_lock(&zr->resource_lock);
 
 			fmt->fmt.win.w.left = fh->overlay_settings.x;
 			fmt->fmt.win.w.top = fh->overlay_settings.y;
@@ -2776,14 +2777,14 @@ zoran_do_ioctl (struct inode *inode,
 			else
 				fmt->fmt.win.field = V4L2_FIELD_TOP;
 
-			up(&zr->resource_lock);
+			mutex_unlock(&zr->resource_lock);
 
 			break;
 
 		case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 		case V4L2_BUF_TYPE_VIDEO_OUTPUT:
 
-			down(&zr->resource_lock);
+			mutex_lock(&zr->resource_lock);
 
 			if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
 			    fh->map_mode == ZORAN_MAP_MODE_RAW) {
@@ -2837,7 +2838,7 @@ zoran_do_ioctl (struct inode *inode,
 				    V4L2_COLORSPACE_SMPTE170M;
 			}
 
-			up(&zr->resource_lock);
+			mutex_unlock(&zr->resource_lock);
 
 			break;
 
@@ -2870,7 +2871,7 @@ zoran_do_ioctl (struct inode *inode,
 				fmt->fmt.win.w.height,
 				fmt->fmt.win.clipcount,
 				fmt->fmt.win.bitmap);
-			down(&zr->resource_lock);
+			mutex_lock(&zr->resource_lock);
 			res =
 			    setup_window(file, fmt->fmt.win.w.left,
 					 fmt->fmt.win.w.top,
@@ -2880,7 +2881,7 @@ zoran_do_ioctl (struct inode *inode,
 					   fmt->fmt.win.clips,
 					 fmt->fmt.win.clipcount,
 					 fmt->fmt.win.bitmap);
-			up(&zr->resource_lock);
+			mutex_unlock(&zr->resource_lock);
 			return res;
 			break;
 
@@ -2917,7 +2918,7 @@ zoran_do_ioctl (struct inode *inode,
 			}
 
 			if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) {
-				down(&zr->resource_lock);
+				mutex_lock(&zr->resource_lock);
 
 				settings = fh->jpg_settings;
 
@@ -2995,7 +2996,7 @@ zoran_do_ioctl (struct inode *inode,
 				    ZORAN_MAP_MODE_JPG_REC :
 				    ZORAN_MAP_MODE_JPG_PLAY;
 			sfmtjpg_unlock_and_return:
-				up(&zr->resource_lock);
+				mutex_unlock(&zr->resource_lock);
 			} else {
 				for (i = 0; i < zoran_num_formats; i++)
 					if (fmt->fmt.pix.pixelformat ==
@@ -3010,7 +3011,7 @@ zoran_do_ioctl (struct inode *inode,
 						(char *) &printformat);
 					return -EINVAL;
 				}
-				down(&zr->resource_lock);
+				mutex_lock(&zr->resource_lock);
 				if (fh->jpg_buffers.allocated ||
 				    (fh->v4l_buffers.allocated &&
 				     fh->v4l_buffers.active !=
@@ -3052,7 +3053,7 @@ zoran_do_ioctl (struct inode *inode,
 
 				fh->map_mode = ZORAN_MAP_MODE_RAW;
 			sfmtv4l_unlock_and_return:
-				up(&zr->resource_lock);
+				mutex_unlock(&zr->resource_lock);
 			}
 
 			break;
@@ -3077,7 +3078,7 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_G_FBUF\n", ZR_DEVNAME(zr));
 
 		memset(fb, 0, sizeof(*fb));
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		fb->base = zr->buffer.base;
 		fb->fmt.width = zr->buffer.width;
 		fb->fmt.height = zr->buffer.height;
@@ -3086,7 +3087,7 @@ zoran_do_ioctl (struct inode *inode,
 				fh->overlay_settings.format->fourcc;
 		}
 		fb->fmt.bytesperline = zr->buffer.bytesperline;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		fb->fmt.colorspace = V4L2_COLORSPACE_SRGB;
 		fb->fmt.field = V4L2_FIELD_INTERLACED;
 		fb->flags = V4L2_FBUF_FLAG_OVERLAY;
@@ -3121,12 +3122,12 @@ zoran_do_ioctl (struct inode *inode,
 			return -EINVAL;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res =
 		    setup_fbuffer(file, fb->base, &zoran_formats[i],
 				  fb->fmt.width, fb->fmt.height,
 				  fb->fmt.bytesperline);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3139,9 +3140,9 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_PREVIEW - on=%d\n",
 			ZR_DEVNAME(zr), *on);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = setup_overlay(file, *on);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3163,7 +3164,7 @@ zoran_do_ioctl (struct inode *inode,
 			return -EINVAL;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (fh->v4l_buffers.allocated || fh->jpg_buffers.allocated) {
 			dprintk(1,
@@ -3224,7 +3225,7 @@ zoran_do_ioctl (struct inode *inode,
 			goto v4l2reqbuf_unlock_and_return;
 		}
 	v4l2reqbuf_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -3245,9 +3246,9 @@ zoran_do_ioctl (struct inode *inode,
 		buf->type = type;
 		buf->index = index;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = zoran_v4l2_buffer_status(file, buf, buf->index);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3262,7 +3263,7 @@ zoran_do_ioctl (struct inode *inode,
 			KERN_DEBUG "%s: VIDIOC_QBUF - type=%d, index=%d\n",
 			ZR_DEVNAME(zr), buf->type, buf->index);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		switch (fh->map_mode) {
 		case ZORAN_MAP_MODE_RAW:
@@ -3322,7 +3323,7 @@ zoran_do_ioctl (struct inode *inode,
 			goto qbuf_unlock_and_return;
 		}
 	qbuf_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3336,7 +3337,7 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_DQBUF - type=%d\n",
 			ZR_DEVNAME(zr), buf->type);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		switch (fh->map_mode) {
 		case ZORAN_MAP_MODE_RAW:
@@ -3410,7 +3411,7 @@ zoran_do_ioctl (struct inode *inode,
 			goto dqbuf_unlock_and_return;
 		}
 	dqbuf_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3422,7 +3423,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_STREAMON\n", ZR_DEVNAME(zr));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		switch (fh->map_mode) {
 		case ZORAN_MAP_MODE_RAW:	/* raw capture */
@@ -3470,7 +3471,7 @@ zoran_do_ioctl (struct inode *inode,
 			goto strmon_unlock_and_return;
 		}
 	strmon_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3482,7 +3483,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_STREAMOFF\n", ZR_DEVNAME(zr));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		switch (fh->map_mode) {
 		case ZORAN_MAP_MODE_RAW:	/* raw capture */
@@ -3540,7 +3541,7 @@ zoran_do_ioctl (struct inode *inode,
 			goto strmoff_unlock_and_return;
 		}
 	strmoff_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3600,7 +3601,7 @@ zoran_do_ioctl (struct inode *inode,
 		    ctrl->id > V4L2_CID_HUE)
 			return -EINVAL;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		switch (ctrl->id) {
 		case V4L2_CID_BRIGHTNESS:
 			ctrl->value = zr->brightness;
@@ -3615,7 +3616,7 @@ zoran_do_ioctl (struct inode *inode,
 			ctrl->value = zr->hue;
 			break;
 		}
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -3642,7 +3643,7 @@ zoran_do_ioctl (struct inode *inode,
 			return -EINVAL;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		switch (ctrl->id) {
 		case V4L2_CID_BRIGHTNESS:
 			zr->brightness = ctrl->value;
@@ -3664,7 +3665,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		decoder_command(zr, DECODER_SET_PICTURE, &pict);
 
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -3732,9 +3733,9 @@ zoran_do_ioctl (struct inode *inode,
 
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_G_STD\n", ZR_DEVNAME(zr));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		norm = zr->norm;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		switch (norm) {
 		case VIDEO_MODE_PAL:
@@ -3776,13 +3777,13 @@ zoran_do_ioctl (struct inode *inode,
 			return -EINVAL;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		if ((res = zoran_set_norm(zr, norm)))
 			goto sstd_unlock_and_return;
 
 		res = wait_grab_pending(zr);
 	sstd_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return res;
 	}
 		break;
@@ -3809,9 +3810,9 @@ zoran_do_ioctl (struct inode *inode,
 		inp->std = V4L2_STD_ALL;
 
 		/* Get status of video decoder */
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		decoder_command(zr, DECODER_GET_STATUS, &status);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		if (!(status & DECODER_STATUS_GOOD)) {
 			inp->status |= V4L2_IN_ST_NO_POWER;
@@ -3830,9 +3831,9 @@ zoran_do_ioctl (struct inode *inode,
 
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_G_INPUT\n", ZR_DEVNAME(zr));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		*input = zr->input;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -3845,14 +3846,14 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_S_INPUT - input=%d\n",
 			ZR_DEVNAME(zr), *input);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		if ((res = zoran_set_input(zr, *input)))
 			goto sinput_unlock_and_return;
 
 		/* Make sure the changes come into effect */
 		res = wait_grab_pending(zr);
 	sinput_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return res;
 	}
 		break;
@@ -3914,7 +3915,7 @@ zoran_do_ioctl (struct inode *inode,
 		memset(cropcap, 0, sizeof(*cropcap));
 		cropcap->type = type;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 		    (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
@@ -3934,7 +3935,7 @@ zoran_do_ioctl (struct inode *inode,
 		cropcap->defrect.width = BUZ_MIN_WIDTH;
 		cropcap->defrect.height = BUZ_MIN_HEIGHT;
 	cropcap_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return res;
 	}
 		break;
@@ -3950,7 +3951,7 @@ zoran_do_ioctl (struct inode *inode,
 		memset(crop, 0, sizeof(*crop));
 		crop->type = type;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 		    (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
@@ -3969,7 +3970,7 @@ zoran_do_ioctl (struct inode *inode,
 		crop->c.height = fh->jpg_settings.img_height;
 
 	gcrop_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3988,7 +3989,7 @@ zoran_do_ioctl (struct inode *inode,
 			ZR_DEVNAME(zr), crop->type, crop->c.left, crop->c.top,
 			crop->c.width, crop->c.height);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) {
 			dprintk(1,
@@ -4024,7 +4025,7 @@ zoran_do_ioctl (struct inode *inode,
 		fh->jpg_settings = settings;
 
 	scrop_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return res;
 	}
 		break;
@@ -4038,7 +4039,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		memset(params, 0, sizeof(*params));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		params->quality = fh->jpg_settings.jpg_comp.quality;
 		params->APPn = fh->jpg_settings.jpg_comp.APPn;
@@ -4053,7 +4054,7 @@ zoran_do_ioctl (struct inode *inode,
 		params->jpeg_markers =
 		    fh->jpg_settings.jpg_comp.jpeg_markers;
 
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -4074,7 +4075,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		settings.jpg_comp = *params;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (fh->v4l_buffers.active != ZORAN_FREE ||
 		    fh->jpg_buffers.active != ZORAN_FREE) {
@@ -4093,7 +4094,7 @@ zoran_do_ioctl (struct inode *inode,
 			    zoran_v4l2_calc_bufsize(&fh->jpg_settings);
 		fh->jpg_settings.jpg_comp = *params = settings.jpg_comp;
 	sjpegc_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -4127,7 +4128,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		switch (fmt->type) {
 		case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-			down(&zr->resource_lock);
+			mutex_lock(&zr->resource_lock);
 
 			if (fmt->fmt.win.w.width > BUZ_MAX_WIDTH)
 				fmt->fmt.win.w.width = BUZ_MAX_WIDTH;
@@ -4138,7 +4139,7 @@ zoran_do_ioctl (struct inode *inode,
 			if (fmt->fmt.win.w.height < BUZ_MIN_HEIGHT)
 				fmt->fmt.win.w.height = BUZ_MIN_HEIGHT;
 
-			up(&zr->resource_lock);
+			mutex_unlock(&zr->resource_lock);
 			break;
 
 		case V4L2_BUF_TYPE_VIDEO_CAPTURE:
@@ -4146,7 +4147,7 @@ zoran_do_ioctl (struct inode *inode,
 			if (fmt->fmt.pix.bytesperline > 0)
 				return -EINVAL;
 
-			down(&zr->resource_lock);
+			mutex_lock(&zr->resource_lock);
 
 			if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) {
 				settings = fh->jpg_settings;
@@ -4229,7 +4230,7 @@ zoran_do_ioctl (struct inode *inode,
 				goto tryfmt_unlock_and_return;
 			}
 		tryfmt_unlock_and_return:
-			up(&zr->resource_lock);
+			mutex_unlock(&zr->resource_lock);
 
 			return res;
 			break;
@@ -4280,7 +4281,7 @@ zoran_poll (struct file *file,
 	 * if no buffers queued or so, return POLLNVAL
 	 */
 
-	down(&zr->resource_lock);
+	mutex_lock(&zr->resource_lock);
 
 	switch (fh->map_mode) {
 	case ZORAN_MAP_MODE_RAW:
@@ -4329,7 +4330,7 @@ zoran_poll (struct file *file,
 	}
 
 poll_unlock_and_return:
-	up(&zr->resource_lock);
+	mutex_unlock(&zr->resource_lock);
 
 	return res;
 }
@@ -4385,7 +4386,7 @@ zoran_vm_close (struct vm_area_struct *vma)
 				if (fh->jpg_buffers.buffer[i].map)
 					break;
 			if (i == fh->jpg_buffers.num_buffers) {
-				down(&zr->resource_lock);
+				mutex_lock(&zr->resource_lock);
 
 				if (fh->jpg_buffers.active != ZORAN_FREE) {
 					jpg_qbuf(file, -1, zr->codec_mode);
@@ -4398,7 +4399,7 @@ zoran_vm_close (struct vm_area_struct *vma)
 				fh->jpg_buffers.allocated = 0;
 				fh->jpg_buffers.ready_to_be_freed = 1;
 
-				up(&zr->resource_lock);
+				mutex_unlock(&zr->resource_lock);
 			}
 
 			break;
@@ -4421,7 +4422,7 @@ zoran_vm_close (struct vm_area_struct *vma)
 				if (fh->v4l_buffers.buffer[i].map)
 					break;
 			if (i == fh->v4l_buffers.num_buffers) {
-				down(&zr->resource_lock);
+				mutex_lock(&zr->resource_lock);
 
 				if (fh->v4l_buffers.active != ZORAN_FREE) {
 					zr36057_set_memgrab(zr, 0);
@@ -4434,7 +4435,7 @@ zoran_vm_close (struct vm_area_struct *vma)
 				fh->v4l_buffers.allocated = 0;
 				fh->v4l_buffers.ready_to_be_freed = 1;
 
-				up(&zr->resource_lock);
+				mutex_unlock(&zr->resource_lock);
 			}
 
 			break;
@@ -4489,7 +4490,7 @@ zoran_mmap (struct file           *file,
 	case ZORAN_MAP_MODE_JPG_PLAY:
 
 		/* lock */
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		/* Map the MJPEG buffers */
 		if (!fh->jpg_buffers.allocated) {
@@ -4579,13 +4580,13 @@ zoran_mmap (struct file           *file,
 
 		}
 	jpg_mmap_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		break;
 
 	case ZORAN_MAP_MODE_RAW:
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		/* Map the V4L buffers */
 		if (!fh->v4l_buffers.allocated) {
@@ -4657,7 +4658,7 @@ zoran_mmap (struct file           *file,
 				break;
 		}
 	v4l_mmap_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		break;