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-rw-r--r--drivers/i2c/chips/it87.c195
-rw-r--r--drivers/i2c/i2c-core.c33
-rw-r--r--include/linux/i2c.h13
3 files changed, 133 insertions, 108 deletions
diff --git a/drivers/i2c/chips/it87.c b/drivers/i2c/chips/it87.c
index b0c07d525b9a..48d7755df5ae 100644
--- a/drivers/i2c/chips/it87.c
+++ b/drivers/i2c/chips/it87.c
@@ -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) |
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index f0a063da8095..c564775ae388 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -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;
}
}
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 6876a6705bb8..9bccd9f27a3a 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -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
generated by cgit v1.2.3 (git 2.46.0) at 2026-02-06 15:33:41 +0000