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i2c-algo-bit: Add i2c_bit_add_numbered_bus

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Add i2c_bit_add_numbered_bus(), which is equivalent to i2c_bit_add_bus
except that it calls i2c_add_numbered_adapter() at the end instead of
i2c_add_adapter().

Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Jean Delvare
2007-05-01 23:26:31 +02:00
committed by Jean Delvare
parent c05646069c
commit 0f3b483852
2 changed files with 25 additions and 1 deletions
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25
drivers/i2c/algos/i2c-algo-bit.c
View File

@@ -540,7 +540,7 @@ static const struct i2c_algorithm i2c_bit_algo = {
/* /*
* registering functions to load algorithms at runtime * registering functions to load algorithms at runtime
*/ */
int i2c_bit_add_bus(struct i2c_adapter *adap) static int i2c_bit_prepare_bus(struct i2c_adapter *adap)
{ {
struct i2c_algo_bit_data *bit_adap = adap->algo_data; struct i2c_algo_bit_data *bit_adap = adap->algo_data;
@@ -558,10 +558,33 @@ int i2c_bit_add_bus(struct i2c_adapter *adap)
adap->timeout = 100; /* default values, should */ adap->timeout = 100; /* default values, should */
adap->retries = 3; /* be replaced by defines */ adap->retries = 3; /* be replaced by defines */
return 0;
}
int i2c_bit_add_bus(struct i2c_adapter *adap)
{
int err;
err = i2c_bit_prepare_bus(adap);
if (err)
return err;
return i2c_add_adapter(adap); return i2c_add_adapter(adap);
} }
EXPORT_SYMBOL(i2c_bit_add_bus); EXPORT_SYMBOL(i2c_bit_add_bus);
int i2c_bit_add_numbered_bus(struct i2c_adapter *adap)
{
int err;
err = i2c_bit_prepare_bus(adap);
if (err)
return err;
return i2c_add_numbered_adapter(adap);
}
EXPORT_SYMBOL(i2c_bit_add_numbered_bus);
MODULE_AUTHOR("Simon G. Vogl <simon@tk.uni-linz.ac.at>"); MODULE_AUTHOR("Simon G. Vogl <simon@tk.uni-linz.ac.at>");
MODULE_DESCRIPTION("I2C-Bus bit-banging algorithm"); MODULE_DESCRIPTION("I2C-Bus bit-banging algorithm");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");

1
include/linux/i2c-algo-bit.h
View File

@@ -44,5 +44,6 @@ struct i2c_algo_bit_data {
}; };
int i2c_bit_add_bus(struct i2c_adapter *); int i2c_bit_add_bus(struct i2c_adapter *);
int i2c_bit_add_numbered_bus(struct i2c_adapter *);
#endif /* _LINUX_I2C_ALGO_BIT_H */ #endif /* _LINUX_I2C_ALGO_BIT_H */