i2c: Let framebuffer drivers set their I2C bus class to DDC

[linux-2.6-omap-h63xx.git] / include / linux / i2c.h

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index fb9af6a0fe9cb0bf275c706129c4589d4ee8fb30..145797fe6a310b128f42396619264638f131c71e 100644 (file)
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -69,9 +69,8 @@ extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr,
                            union i2c_smbus_data * data);
 
 /* Now follow the 'nice' access routines. These also document the calling
-   conventions of smbus_access. */
+   conventions of i2c_smbus_xfer. */
 
-extern s32 i2c_smbus_write_quick(struct i2c_client * client, u8 value);
 extern s32 i2c_smbus_read_byte(struct i2c_client * client);
 extern s32 i2c_smbus_write_byte(struct i2c_client * client, u8 value);
 extern s32 i2c_smbus_read_byte_data(struct i2c_client * client, u8 command);
@@ -171,7 +170,7 @@ struct i2c_client {
        struct i2c_adapter *adapter;    /* the adapter we sit on        */
        struct i2c_driver *driver;      /* and our access routines      */
        struct device dev;              /* the device structure         */
-       int irq;                        /* irq issued by device (or -1) */
+       int irq;                        /* irq issued by device         */
        struct list_head list;          /* DEPRECATED */
        struct completion released;
 };
@@ -350,7 +349,7 @@ static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
 #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)  /* i2c-matroxfb ? */
+#define I2C_CLASS_DDC          (1<<3)  /* DDC bus on graphics adapters */
 #define I2C_CLASS_CAM_ANALOG   (1<<4)  /* camera with analog CCD */
 #define I2C_CLASS_CAM_DIGITAL  (1<<5)  /* most webcams */
 #define I2C_CLASS_SOUND                (1<<6)  /* sound devices */
@@ -537,7 +536,7 @@ union i2c_smbus_data {
                               /* and one more for user-space compatibility */
 };
 
-/* smbus_access read or write markers */
+/* i2c_smbus_xfer read or write markers */
 #define I2C_SMBUS_READ 1
 #define I2C_SMBUS_WRITE        0