Merge branch 'linux-2.6'

1 files changed, 49 insertions, 88 deletions

diff --git a/drivers/media/video/wm8739.c b/drivers/media/video/wm8739.c
index 1bf4cbec6a87..31795b4f8b63 100644
--- a/drivers/media/video/wm8739.c
+++ b/drivers/media/video/wm8739.c
@@ -30,21 +30,19 @@
 #include <linux/videodev.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv.h>
 
 MODULE_DESCRIPTION("wm8739 driver");
 MODULE_AUTHOR("T. Adachi, Hans Verkuil");
 MODULE_LICENSE("GPL");
 
-static int debug = 0;
-static unsigned short normal_i2c[] = { 0x34 >> 1, 0x36 >> 1, I2C_CLIENT_END };
+static int debug;
 
 module_param(debug, int, 0644);
 
 MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
 
-I2C_CLIENT_INSMOD;
-
 /* ------------------------------------------------------------------------ */
 
 enum {
@@ -75,12 +73,10 @@ static int wm8739_write(struct i2c_client *client, int reg, u16 val)
 
 	v4l_dbg(1, debug, client, "write: %02x %02x\n", reg, val);
 
-	for (i = 0; i < 3; i++) {
-		if (i2c_smbus_write_byte_data(client, (reg << 1) |
-					(val >> 8), val & 0xff) == 0) {
+	for (i = 0; i < 3; i++)
+		if (i2c_smbus_write_byte_data(client,
+				(reg << 1) | (val >> 8), val & 0xff) == 0)
 			return 0;
-		}
-	}
 	v4l_err(client, "I2C: cannot write %03x to register R%d\n", val, reg);
 	return -1;
 }
@@ -167,7 +163,7 @@ static struct v4l2_queryctrl wm8739_qctrl[] = {
 		.default_value = 58880,
 		.flags         = 0,
 		.type          = V4L2_CTRL_TYPE_INTEGER,
-	},{
+	}, {
 		.id            = V4L2_CID_AUDIO_MUTE,
 		.name          = "Mute",
 		.minimum       = 0,
@@ -176,7 +172,7 @@ static struct v4l2_queryctrl wm8739_qctrl[] = {
 		.default_value = 1,
 		.flags         = 0,
 		.type          = V4L2_CTRL_TYPE_BOOLEAN,
-	},{
+	}, {
 		.id            = V4L2_CID_AUDIO_BALANCE,
 		.name          = "Balance",
 		.minimum       = 0,
@@ -190,7 +186,7 @@ static struct v4l2_queryctrl wm8739_qctrl[] = {
 
 /* ------------------------------------------------------------------------ */
 
-static int wm8739_command(struct i2c_client *client, unsigned int cmd, void *arg)
+static int wm8739_command(struct i2c_client *client, unsigned cmd, void *arg)
 {
 	struct wm8739_state *state = i2c_get_clientdata(client);
 
@@ -200,21 +196,26 @@ static int wm8739_command(struct i2c_client *client, unsigned int cmd, void *arg
 		u32 audiofreq = *(u32 *)arg;
 
 		state->clock_freq = audiofreq;
-		wm8739_write(client, R9, 0x000);	/* de-activate */
+		/* de-activate */
+		wm8739_write(client, R9, 0x000);
 		switch (audiofreq) {
 		case 44100:
-			wm8739_write(client, R8, 0x020); /* 256fps, fs=44.1k     */
+			/* 256fps, fs=44.1k */
+			wm8739_write(client, R8, 0x020);
 			break;
 		case 48000:
-			wm8739_write(client, R8, 0x000); /* 256fps, fs=48k       */
+			/* 256fps, fs=48k */
+			wm8739_write(client, R8, 0x000);
 			break;
 		case 32000:
-			wm8739_write(client, R8, 0x018); /* 256fps, fs=32k       */
+			/* 256fps, fs=32k */
+			wm8739_write(client, R8, 0x018);
 			break;
 		default:
 			break;
 		}
-		wm8739_write(client, R9, 0x001);	/* activate */
+		/* activate */
+		wm8739_write(client, R9, 0x001);
 		break;
 	}
 
@@ -238,7 +239,8 @@ static int wm8739_command(struct i2c_client *client, unsigned int cmd, void *arg
 	}
 
 	case VIDIOC_G_CHIP_IDENT:
-		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_WM8739, 0);
+		return v4l2_chip_ident_i2c_client(client,
+				arg, V4L2_IDENT_WM8739, 0);
 
 	case VIDIOC_LOG_STATUS:
 		v4l_info(client, "Frequency: %u Hz\n", state->clock_freq);
@@ -259,27 +261,16 @@ static int wm8739_command(struct i2c_client *client, unsigned int cmd, void *arg
 
 /* i2c implementation */
 
-static struct i2c_driver i2c_driver;
-
-static int wm8739_attach(struct i2c_adapter *adapter, int address, int kind)
+static int wm8739_probe(struct i2c_client *client)
 {
-	struct i2c_client *client;
 	struct wm8739_state *state;
 
 	/* Check if the adapter supports the needed features */
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return 0;
-
-	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (client == NULL)
-		return -ENOMEM;
-
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &i2c_driver;
-	snprintf(client->name, sizeof(client->name) - 1, "wm8739");
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -EIO;
 
-	v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name);
+	v4l_info(client, "chip found @ 0x%x (%s)\n",
+			client->addr << 1, client->adapter->name);
 
 	state = kmalloc(sizeof(struct wm8739_state), GFP_KERNEL);
 	if (state == NULL) {
@@ -295,67 +286,37 @@ static int wm8739_attach(struct i2c_adapter *adapter, int address, int kind)
 	state->clock_freq = 48000;
 	i2c_set_clientdata(client, state);
 
-	/* initialize wm8739 */
-	wm8739_write(client, R15, 0x00); /* reset */
-	wm8739_write(client, R5, 0x000); /* filter setting, high path, offet clear */
-	wm8739_write(client, R6, 0x000); /* ADC, OSC, Power Off mode Disable */
-	wm8739_write(client, R7, 0x049); /* Digital Audio interface format */
-					 /* Enable Master mode */
-					 /* 24 bit, MSB first/left justified */
-	wm8739_write(client, R8, 0x000); /* sampling control */
-					 /* normal, 256fs, 48KHz sampling rate */
-	wm8739_write(client, R9, 0x001); /* activate */
-	wm8739_set_audio(client); 	 /* set volume/mute */
-
-	i2c_attach_client(client);
-
-	return 0;
-}
-
-static int wm8739_probe(struct i2c_adapter *adapter)
-{
-	if (adapter->class & I2C_CLASS_TV_ANALOG)
-		return i2c_probe(adapter, &addr_data, wm8739_attach);
+	/* Initialize wm8739 */
+
+	/* reset */
+	wm8739_write(client, R15, 0x00);
+	/* filter setting, high path, offet clear */
+	wm8739_write(client, R5, 0x000);
+	/* ADC, OSC, Power Off mode Disable */
+	wm8739_write(client, R6, 0x000);
+	/* Digital Audio interface format:
+	   Enable Master mode, 24 bit, MSB first/left justified */
+	wm8739_write(client, R7, 0x049);
+	/* sampling control: normal, 256fs, 48KHz sampling rate */
+	wm8739_write(client, R8, 0x000);
+	/* activate */
+	wm8739_write(client, R9, 0x001);
+	/* set volume/mute */
+	wm8739_set_audio(client);
 	return 0;
 }
 
-static int wm8739_detach(struct i2c_client *client)
+static int wm8739_remove(struct i2c_client *client)
 {
-	struct wm8739_state *state = i2c_get_clientdata(client);
-	int err;
-
-	err = i2c_detach_client(client);
-	if (err)
-		return err;
-
-	kfree(state);
-	kfree(client);
+	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
-/* ----------------------------------------------------------------------- */
-
-/* i2c implementation */
-static struct i2c_driver i2c_driver = {
-	.driver = {
-		.name = "wm8739",
-	},
-	.id = I2C_DRIVERID_WM8739,
-	.attach_adapter = wm8739_probe,
-	.detach_client  = wm8739_detach,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "wm8739",
+	.driverid = I2C_DRIVERID_WM8739,
 	.command = wm8739_command,
+	.probe = wm8739_probe,
+	.remove = wm8739_remove,
 };
 
-
-static int __init wm8739_init_module(void)
-{
-	return i2c_add_driver(&i2c_driver);
-}
-
-static void __exit wm8739_cleanup_module(void)
-{
-	i2c_del_driver(&i2c_driver);
-}
-
-module_init(wm8739_init_module);
-module_exit(wm8739_cleanup_module);