aboutsummaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/i2c/algos/i2c-algo-bit.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index fcef6ff3d28..fc16f9d268a 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -540,7 +540,7 @@ static const struct i2c_algorithm i2c_bit_algo = {
/*
* 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;
@@ -558,10 +558,33 @@ int i2c_bit_add_bus(struct i2c_adapter *adap)
adap->timeout = 100; /* default values, should */
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);
}
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_DESCRIPTION("I2C-Bus bit-banging algorithm");
MODULE_LICENSE("GPL");