i2c: Drop unused I2C_CLASS_TV flags

[net-next-2.6.git] / include / linux / i2c.h

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 4bae0b72ed3cdba567f306bddb2a2e26326f7fc4..889b35abaedac162061d01872237de109d62dbbb 100644 (file)
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -384,11 +384,15 @@ static inline void i2c_set_adapdata(struct i2c_adapter *dev, void *data)
        dev_set_drvdata(&dev->dev, data);
 }
 
-static inline int i2c_parent_is_i2c_adapter(const struct i2c_adapter *adapter)
+static inline struct i2c_adapter *
+i2c_parent_is_i2c_adapter(const struct i2c_adapter *adapter)
 {
-       return adapter->dev.parent != NULL
-               && adapter->dev.parent->bus == &i2c_bus_type
-               && adapter->dev.parent->type == &i2c_adapter_type;
+       struct device *parent = adapter->dev.parent;
+
+       if (parent != NULL && parent->type == &i2c_adapter_type)
+               return to_i2c_adapter(parent);
+       else
+               return NULL;
 }
 
 /* Adapter locking functions, exported for shared pin cases */
@@ -403,8 +407,6 @@ void i2c_unlock_adapter(struct i2c_adapter *);
 
 /* i2c adapter classes (bitmask) */
 #define I2C_CLASS_HWMON                (1<<0)  /* lm_sensors, ... */
-#define I2C_CLASS_TV_ANALOG    (1<<1)  /* bttv + friends */
-#define I2C_CLASS_TV_DIGITAL   (1<<2)  /* dvb cards */
 #define I2C_CLASS_DDC          (1<<3)  /* DDC bus on graphics adapters */
 #define I2C_CLASS_SPD          (1<<7)  /* SPD EEPROMs and similar */