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Commit fb1a2653 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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Merge kroah.com:/home/greg/linux/BK/bleed-2.5 

into kroah.com:/home/greg/linux/BK/i2c-2.5
parents 55f3c6b7 392e687b
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Showing with 133 additions and 108 deletions
drivers/i2c/chips/it87.c
View file @ fb1a2653
......@@ -80,17 +80,17 @@ static int temp_type = 0x2a;
/* Monitors: 9 voltage (0 to 7, battery), 3 temp (1 to 3), 3 fan (1 to 3) */
#define IT87_REG_FAN(nr) (0x0c + (nr))
#define IT87_REG_FAN_MIN(nr) (0x0f + (nr))
#define IT87_REG_FAN(nr) (0x0d + (nr))
#define IT87_REG_FAN_MIN(nr) (0x10 + (nr))
#define IT87_REG_FAN_CTRL 0x13
#define IT87_REG_VIN(nr) (0x20 + (nr))
#define IT87_REG_TEMP(nr) (0x28 + (nr))
#define IT87_REG_TEMP(nr) (0x29 + (nr))
#define IT87_REG_VIN_MAX(nr) (0x30 + (nr) * 2)
#define IT87_REG_VIN_MIN(nr) (0x31 + (nr) * 2)
#define IT87_REG_TEMP_HIGH(nr) (0x3e + (nr) * 2)
#define IT87_REG_TEMP_LOW(nr) (0x3f + (nr) * 2)
#define IT87_REG_TEMP_HIGH(nr) (0x40 + ((nr) * 2))
#define IT87_REG_TEMP_LOW(nr) (0x41 + ((nr) * 2))
#define IT87_REG_I2C_ADDR 0x48
......@@ -99,46 +99,8 @@ static int temp_type = 0x2a;
#define IT87_REG_CHIPID 0x58
static inline u8 IN_TO_REG(long val, int inNum)
{
/* to avoid floating point, we multiply everything by 100.
val is guaranteed to be positive, so we can achieve the effect of
rounding by (...*10+5)/10. Note that the *10 is hidden in the
/250 (which should really be /2500).
At the end, we need to /100 because we *100 everything and we need
to /10 because of the rounding thing, so we /1000. */
if (inNum <= 1)
return (u8)
SENSORS_LIMIT(((val * 210240 - 13300) / 250 + 5) / 1000,
0, 255);
else if (inNum == 2)
return (u8)
SENSORS_LIMIT(((val * 157370 - 13300) / 250 + 5) / 1000,
0, 255);
else if (inNum == 3)
return (u8)
SENSORS_LIMIT(((val * 101080 - 13300) / 250 + 5) / 1000,
0, 255);
else
return (u8) SENSORS_LIMIT(((val * 41714 - 13300) / 250 + 5)
/ 1000, 0, 255);
}
static inline long IN_FROM_REG(u8 val, int inNum)
{
/* to avoid floating point, we multiply everything by 100.
val is guaranteed to be positive, so we can achieve the effect of
rounding by adding 0.5. Or, to avoid fp math, we do (...*10+5)/10.
We need to scale with *100 anyway, so no need to /100 at the end. */
if (inNum <= 1)
return (long) (((250000 * val + 13300) / 210240 * 10 + 5) /10);
else if (inNum == 2)
return (long) (((250000 * val + 13300) / 157370 * 10 + 5) /10);
else if (inNum == 3)
return (long) (((250000 * val + 13300) / 101080 * 10 + 5) /10);
else
return (long) (((250000 * val + 13300) / 41714 * 10 + 5) /10);
}
#define IN_TO_REG(val) (SENSORS_LIMIT((((val) * 10 + 8)/16),0,255))
#define IN_FROM_REG(val) (((val) * 16) / 10)
static inline u8 FAN_TO_REG(long rpm, int div)
{
......@@ -159,7 +121,14 @@ static inline u8 FAN_TO_REG(long rpm, int div)
205-(val)*5)
#define ALARMS_FROM_REG(val) (val)
#define DIV_TO_REG(val) ((val)==8?3:(val)==4?2:(val)==1?0:1)
static int log2(int val)
{
int answer = 0;
while ((val >>= 1))
answer++;
return answer;
}
#define DIV_TO_REG(val) log2(val)
#define DIV_FROM_REG(val) (1 << (val))
/* Initial limits. Use the config file to set better limits. */
......@@ -272,7 +241,7 @@ static ssize_t show_in(struct device *dev, char *buf, int nr)
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf, "%ld\n", IN_FROM_REG(data->in[nr], nr)*10 );
return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr])*10 );
}
static ssize_t show_in_min(struct device *dev, char *buf, int nr)
......@@ -280,7 +249,7 @@ static ssize_t show_in_min(struct device *dev, char *buf, int nr)
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf, "%ld\n", IN_FROM_REG(data->in_min[nr], nr)*10 );
return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr])*10 );
}
static ssize_t show_in_max(struct device *dev, char *buf, int nr)
......@@ -288,7 +257,7 @@ static ssize_t show_in_max(struct device *dev, char *buf, int nr)
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf, "%ld\n", IN_FROM_REG(data->in_max[nr], nr)*10 );
return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr])*10 );
}
static ssize_t set_in_min(struct device *dev, const char *buf,
......@@ -297,7 +266,7 @@ static ssize_t set_in_min(struct device *dev, const char *buf,
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10)/10;
data->in_min[nr] = IN_TO_REG(val,nr);
data->in_min[nr] = IN_TO_REG(val);
it87_write_value(client, IT87_REG_VIN_MIN(nr),
data->in_min[nr]);
return count;
......@@ -308,7 +277,7 @@ static ssize_t set_in_max(struct device *dev, const char *buf,
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10)/10;
data->in_max[nr] = IN_TO_REG(val,nr);
data->in_max[nr] = IN_TO_REG(val);
it87_write_value(client, IT87_REG_VIN_MAX(nr),
data->in_max[nr]);
return count;
......@@ -320,6 +289,9 @@ static ssize_t \
{ \
return show_in(dev, buf, 0x##offset); \
} \
static DEVICE_ATTR(in_input##offset, S_IRUGO, show_in##offset, NULL)
#define limit_in_offset(offset) \
static ssize_t \
show_in##offset##_min (struct device *dev, char *buf) \
{ \
......@@ -340,20 +312,27 @@ static ssize_t set_in##offset##_max (struct device *dev, \
{ \
return set_in_max(dev, buf, count, 0x##offset); \
} \
static DEVICE_ATTR(in_input##offset, S_IRUGO, show_in##offset, NULL) \
static DEVICE_ATTR(in_min##offset, S_IRUGO | S_IWUSR, \
show_in##offset##_min, set_in##offset##_min) \
static DEVICE_ATTR(in_max##offset, S_IRUGO | S_IWUSR, \
show_in##offset##_max, set_in##offset##_max)
show_in_offset(0);
limit_in_offset(0);
show_in_offset(1);
limit_in_offset(1);
show_in_offset(2);
limit_in_offset(2);
show_in_offset(3);
limit_in_offset(3);
show_in_offset(4);
limit_in_offset(4);
show_in_offset(5);
limit_in_offset(5);
show_in_offset(6);
limit_in_offset(6);
show_in_offset(7);
limit_in_offset(7);
show_in_offset(8);
/* 3 temperatures */
......@@ -362,7 +341,7 @@ static ssize_t show_temp(struct device *dev, char *buf, int nr)
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr])*10 );
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr])*100 );
}
/* more like overshoot temperature */
static ssize_t show_temp_max(struct device *dev, char *buf, int nr)
......@@ -370,7 +349,7 @@ static ssize_t show_temp_max(struct device *dev, char *buf, int nr)
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[nr])*10);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[nr])*100);
}
/* more like hysteresis temperature */
static ssize_t show_temp_min(struct device *dev, char *buf, int nr)
......@@ -378,14 +357,14 @@ static ssize_t show_temp_min(struct device *dev, char *buf, int nr)
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_low[nr])*10);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_low[nr])*100);
}
static ssize_t set_temp_max(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10)/10;
int val = simple_strtol(buf, NULL, 10)/100;
data->temp_high[nr] = TEMP_TO_REG(val);
it87_write_value(client, IT87_REG_TEMP_HIGH(nr), data->temp_high[nr]);
return count;
......@@ -395,7 +374,7 @@ static ssize_t set_temp_min(struct device *dev, const char *buf,
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10)/10;
int val = simple_strtol(buf, NULL, 10)/100;
data->temp_low[nr] = TEMP_TO_REG(val);
it87_write_value(client, IT87_REG_TEMP_LOW(nr), data->temp_low[nr]);
return count;
......@@ -511,7 +490,7 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
struct it87_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
it87_write_value(client, IT87_REG_FAN_MIN(nr+1), data->fan_min[nr]);
it87_write_value(client, IT87_REG_FAN_MIN(nr), data->fan_min[nr]);
return count;
}
static ssize_t set_fan_div(struct device *dev, const char *buf,
......@@ -520,10 +499,34 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
int old = it87_read_value(client, IT87_REG_FAN_DIV);
data->fan_div[nr] = DIV_TO_REG(val);
old = (old & 0x0f) | (data->fan_div[1] << 6) | (data->fan_div[0] << 4);
it87_write_value(client, IT87_REG_FAN_DIV, old);
int i, min[3];
u8 old = it87_read_value(client, IT87_REG_FAN_DIV);
for (i = 0; i < 3; i++)
min[i] = FAN_FROM_REG(data->fan_min[i], DIV_FROM_REG(data->fan_div[i]));
switch (nr) {
case 0:
case 1:
data->fan_div[nr] = DIV_TO_REG(val);
break;
case 2:
if (val < 8)
data->fan_div[nr] = 1;
else
data->fan_div[nr] = 3;
}
val = old & 0x100;
val |= (data->fan_div[0] & 0x07);
val |= (data->fan_div[1] & 0x07) << 3;
if (data->fan_div[2] == 3)
val |= 0x1 << 6;
it87_write_value(client, IT87_REG_FAN_DIV, val);
for (i = 0; i < 3; i++) {
data->fan_min[i]=FAN_TO_REG(min[i], DIV_FROM_REG(data->fan_div[i]));
it87_write_value(client, IT87_REG_FAN_MIN(i), data->fan_min[i]);
}
return count;
}
......@@ -720,7 +723,6 @@ int it87_detect(struct i2c_adapter *adapter, int address, int kind)
device_create_file(&new_client->dev, &dev_attr_in_min5);
device_create_file(&new_client->dev, &dev_attr_in_min6);
device_create_file(&new_client->dev, &dev_attr_in_min7);
device_create_file(&new_client->dev, &dev_attr_in_min8);
device_create_file(&new_client->dev, &dev_attr_in_max0);
device_create_file(&new_client->dev, &dev_attr_in_max1);
device_create_file(&new_client->dev, &dev_attr_in_max2);
......@@ -729,7 +731,6 @@ int it87_detect(struct i2c_adapter *adapter, int address, int kind)
device_create_file(&new_client->dev, &dev_attr_in_max5);
device_create_file(&new_client->dev, &dev_attr_in_max6);
device_create_file(&new_client->dev, &dev_attr_in_max7);
device_create_file(&new_client->dev, &dev_attr_in_max8);
device_create_file(&new_client->dev, &dev_attr_temp_input1);
device_create_file(&new_client->dev, &dev_attr_temp_input2);
device_create_file(&new_client->dev, &dev_attr_temp_input3);
......@@ -833,55 +834,55 @@ static void it87_init_client(struct i2c_client *client, struct it87_data *data)
This sets fan-divs to 2, among others */
it87_write_value(client, IT87_REG_CONFIG, 0x80);
it87_write_value(client, IT87_REG_VIN_MIN(0),
IN_TO_REG(IT87_INIT_IN_MIN_0, 0));
IN_TO_REG(IT87_INIT_IN_MIN_0));
it87_write_value(client, IT87_REG_VIN_MAX(0),
IN_TO_REG(IT87_INIT_IN_MAX_0, 0));
IN_TO_REG(IT87_INIT_IN_MAX_0));
it87_write_value(client, IT87_REG_VIN_MIN(1),
IN_TO_REG(IT87_INIT_IN_MIN_1, 1));
IN_TO_REG(IT87_INIT_IN_MIN_1));
it87_write_value(client, IT87_REG_VIN_MAX(1),
IN_TO_REG(IT87_INIT_IN_MAX_1, 1));
IN_TO_REG(IT87_INIT_IN_MAX_1));
it87_write_value(client, IT87_REG_VIN_MIN(2),
IN_TO_REG(IT87_INIT_IN_MIN_2, 2));
IN_TO_REG(IT87_INIT_IN_MIN_2));
it87_write_value(client, IT87_REG_VIN_MAX(2),
IN_TO_REG(IT87_INIT_IN_MAX_2, 2));
IN_TO_REG(IT87_INIT_IN_MAX_2));
it87_write_value(client, IT87_REG_VIN_MIN(3),
IN_TO_REG(IT87_INIT_IN_MIN_3, 3));
IN_TO_REG(IT87_INIT_IN_MIN_3));
it87_write_value(client, IT87_REG_VIN_MAX(3),
IN_TO_REG(IT87_INIT_IN_MAX_3, 3));
IN_TO_REG(IT87_INIT_IN_MAX_3));
it87_write_value(client, IT87_REG_VIN_MIN(4),
IN_TO_REG(IT87_INIT_IN_MIN_4, 4));
IN_TO_REG(IT87_INIT_IN_MIN_4));
it87_write_value(client, IT87_REG_VIN_MAX(4),
IN_TO_REG(IT87_INIT_IN_MAX_4, 4));
IN_TO_REG(IT87_INIT_IN_MAX_4));
it87_write_value(client, IT87_REG_VIN_MIN(5),
IN_TO_REG(IT87_INIT_IN_MIN_5, 5));
IN_TO_REG(IT87_INIT_IN_MIN_5));
it87_write_value(client, IT87_REG_VIN_MAX(5),
IN_TO_REG(IT87_INIT_IN_MAX_5, 5));
IN_TO_REG(IT87_INIT_IN_MAX_5));
it87_write_value(client, IT87_REG_VIN_MIN(6),
IN_TO_REG(IT87_INIT_IN_MIN_6, 6));
IN_TO_REG(IT87_INIT_IN_MIN_6));
it87_write_value(client, IT87_REG_VIN_MAX(6),
IN_TO_REG(IT87_INIT_IN_MAX_6, 6));
IN_TO_REG(IT87_INIT_IN_MAX_6));
it87_write_value(client, IT87_REG_VIN_MIN(7),
IN_TO_REG(IT87_INIT_IN_MIN_7, 7));
IN_TO_REG(IT87_INIT_IN_MIN_7));
it87_write_value(client, IT87_REG_VIN_MAX(7),
IN_TO_REG(IT87_INIT_IN_MAX_7, 7));
IN_TO_REG(IT87_INIT_IN_MAX_7));
/* Note: Battery voltage does not have limit registers */
it87_write_value(client, IT87_REG_FAN_MIN(1),
it87_write_value(client, IT87_REG_FAN_MIN(0),
FAN_TO_REG(IT87_INIT_FAN_MIN_1, 2));
it87_write_value(client, IT87_REG_FAN_MIN(2),
it87_write_value(client, IT87_REG_FAN_MIN(1),
FAN_TO_REG(IT87_INIT_FAN_MIN_2, 2));
it87_write_value(client, IT87_REG_FAN_MIN(3),
it87_write_value(client, IT87_REG_FAN_MIN(2),
FAN_TO_REG(IT87_INIT_FAN_MIN_3, 2));
it87_write_value(client, IT87_REG_TEMP_HIGH(1),
it87_write_value(client, IT87_REG_TEMP_HIGH(0),
TEMP_TO_REG(IT87_INIT_TEMP_HIGH_1));
it87_write_value(client, IT87_REG_TEMP_LOW(1),
it87_write_value(client, IT87_REG_TEMP_LOW(0),
TEMP_TO_REG(IT87_INIT_TEMP_LOW_1));
it87_write_value(client, IT87_REG_TEMP_HIGH(2),
it87_write_value(client, IT87_REG_TEMP_HIGH(1),
TEMP_TO_REG(IT87_INIT_TEMP_HIGH_2));
it87_write_value(client, IT87_REG_TEMP_LOW(2),
it87_write_value(client, IT87_REG_TEMP_LOW(1),
TEMP_TO_REG(IT87_INIT_TEMP_LOW_2));
it87_write_value(client, IT87_REG_TEMP_HIGH(3),
it87_write_value(client, IT87_REG_TEMP_HIGH(2),
TEMP_TO_REG(IT87_INIT_TEMP_HIGH_3));
it87_write_value(client, IT87_REG_TEMP_LOW(3),
it87_write_value(client, IT87_REG_TEMP_LOW(2),
TEMP_TO_REG(IT87_INIT_TEMP_LOW_3));
/* Enable voltage monitors */
......@@ -934,18 +935,18 @@ static void it87_update_client(struct i2c_client *client)
data->in_min[8] = 0;
data->in_max[8] = 255;
for (i = 1; i <= 3; i++) {
data->fan[i - 1] =
for (i = 0; i < 3; i++) {
data->fan[i] =
it87_read_value(client, IT87_REG_FAN(i));
data->fan_min[i - 1] =
data->fan_min[i] =
it87_read_value(client, IT87_REG_FAN_MIN(i));
}
for (i = 1; i <= 3; i++) {
data->temp[i - 1] =
for (i = 0; i < 3; i++) {
data->temp[i] =
it87_read_value(client, IT87_REG_TEMP(i));
data->temp_high[i - 1] =
data->temp_high[i] =
it87_read_value(client, IT87_REG_TEMP_HIGH(i));
data->temp_low[i - 1] =
data->temp_low[i] =
it87_read_value(client, IT87_REG_TEMP_LOW(i));
}
......@@ -961,7 +962,7 @@ static void it87_update_client(struct i2c_client *client)
i = it87_read_value(client, IT87_REG_FAN_DIV);
data->fan_div[0] = i & 0x07;
data->fan_div[1] = (i >> 3) & 0x07;
data->fan_div[2] = 1;
data->fan_div[2] = (i & 0x40) ? 3 : 1;
data->alarms =
it87_read_value(client, IT87_REG_ALARM1) |
......
drivers/i2c/i2c-core.c
View file @ fb1a2653
......@@ -55,13 +55,17 @@ int i2c_device_remove(struct device *dev)
return 0;
}
static struct device_driver i2c_generic_driver = {
.name = "i2c",
static struct device_driver i2c_adapter_driver = {
.name = "i2c_adapter",
.bus = &i2c_bus_type,
.probe = i2c_device_probe,
.remove = i2c_device_remove,
};
static struct class i2c_adapter_class = {
.name = "i2c-adapter"
};
/* ---------------------------------------------------
* registering functions
......@@ -94,9 +98,16 @@ int i2c_add_adapter(struct i2c_adapter *adap)
if (adap->dev.parent == NULL)
adap->dev.parent = &legacy_bus;
sprintf(adap->dev.bus_id, "i2c-%d", adap->nr);
adap->dev.driver = &i2c_generic_driver;
adap->dev.driver = &i2c_adapter_driver;
device_register(&adap->dev);
/* Add this adapter to the i2c_adapter class */
memset(&adap->class_dev, 0x00, sizeof(struct class_device));
adap->class_dev.dev = &adap->dev;
adap->class_dev.class = &i2c_adapter_class;
strncpy(adap->class_dev.class_id, adap->dev.bus_id, BUS_ID_SIZE);
class_device_register(&adap->class_dev);
/* inform drivers of new adapters */
list_for_each(item,&drivers) {
driver = list_entry(item, struct i2c_driver, list);
......@@ -150,6 +161,7 @@ int i2c_del_adapter(struct i2c_adapter *adap)
}
/* clean up the sysfs representation */
class_device_unregister(&adap->class_dev);
device_unregister(&adap->dev);
list_del(&adap->list);
......@@ -443,14 +455,23 @@ struct bus_type i2c_bus_type = {
.match = i2c_device_match,
};
static int __init i2c_init(void)
{
return bus_register(&i2c_bus_type);
int retval;
retval = bus_register(&i2c_bus_type);
if (retval)
return retval;
retval = driver_register(&i2c_adapter_driver);
if (retval)
return retval;
return class_register(&i2c_adapter_class);
}
static void __exit i2c_exit(void)
{
class_unregister(&i2c_adapter_class);
driver_unregister(&i2c_adapter_driver);
bus_unregister(&i2c_bus_type);
}
......@@ -475,7 +496,7 @@ int i2c_transfer(struct i2c_adapter * adap, struct i2c_msg msgs[],int num)
return ret;
} else {
dev_err(&adap->dev, "I2C level transfers not supported\n");
DEB2(dev_dbg(&adap->dev, "I2C level transfers not supported\n"));
return -ENOSYS;
}
}
......
include/linux/i2c.h
View file @ fb1a2653
......@@ -240,7 +240,8 @@ struct i2c_adapter {
int timeout;
int retries;
struct device dev; /* the adapter device */
struct device dev; /* the adapter device */
struct class_device class_dev; /* the class device */
#ifdef CONFIG_PROC_FS
/* No need to set this when you initialize the adapter */
......@@ -280,10 +281,12 @@ static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
/* Must equal I2C_M_TEN below */
/* i2c adapter classes (bitmask) */
#define I2C_ADAP_CLASS_SMBUS (1<<0) /* lm_sensors, ... */
#define I2C_ADAP_CLASS_TV_ANALOG (1<<1) /* bttv + friends */
#define I2C_ADAP_CLASS_TV_DIGINAL (1<<2) /* dbv cards */
#define I2C_ADAP_CLASS_DDC (1<<3) /* i2c-matroxfb ? */
#define I2C_ADAP_CLASS_SMBUS (1<<0) /* lm_sensors, ... */
#define I2C_ADAP_CLASS_TV_ANALOG (1<<1) /* bttv + friends */
#define I2C_ADAP_CLASS_TV_DIGITAL (1<<2) /* dbv cards */
#define I2C_ADAP_CLASS_DDC (1<<3) /* i2c-matroxfb ? */
#define I2C_ADAP_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */
#define I2C_ADAP_CLASS_CAM_DIGITAL (1<<5) /* most webcams */
/* i2c_client_address_data is the struct for holding default client
* addresses for a driver and for the parameters supplied on the
......
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