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Commit 2caea56f authored by Wolfram Sang's avatar Wolfram Sang
Browse files

i2c: headers: update docs about I2C_CLIENT_* 



Update kerneldoc for i2c client flags because they increased over time.
Also, move them to a position where they can be more easily found.

Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent edd7a563

include/linux/i2c.h

+10 −12
Original line number Diff line number Diff line
@@ -298,8 +298,7 @@ struct i2c_driver { 


/**

 * struct i2c_client - represent an I2C slave device

 * @flags: I2C_CLIENT_TEN indicates the device uses a ten bit chip address;

 *	I2C_CLIENT_PEC indicates it uses SMBus Packet Error Checking

 * @flags: see I2C_CLIENT_* for possible flags

 * @addr: Address used on the I2C bus connected to the parent adapter.

 * @name: Indicates the type of the device, usually a chip name that's

 *	generic enough to hide second-sourcing and compatible revisions.
@@ -317,6 +316,15 @@ struct i2c_driver { 
 */

struct i2c_client {

	unsigned short flags;		/* div., see below		*/

#define I2C_CLIENT_PEC		0x04	/* Use Packet Error Checking */

#define I2C_CLIENT_TEN		0x10	/* we have a ten bit chip address */

					/* Must equal I2C_M_TEN below */

#define I2C_CLIENT_SLAVE	0x20	/* we are the slave */

#define I2C_CLIENT_HOST_NOTIFY	0x40	/* We want to use I2C host notify */

#define I2C_CLIENT_WAKE		0x80	/* for board_info; true iff can wake */

#define I2C_CLIENT_SCCB		0x9000	/* Use Omnivision SCCB protocol */

					/* Must match I2C_M_STOP|IGNORE_NAK */



	unsigned short addr;		/* chip address - NOTE: 7bit	*/

					/* addresses are stored in the	*/

					/* _LOWER_ 7 bits		*/
@@ -803,16 +811,6 @@ static inline void i2c_mark_adapter_resumed(struct i2c_adapter *adap) 
	i2c_unlock_bus(adap, I2C_LOCK_ROOT_ADAPTER);

}



/*flags for the client struct: */

#define I2C_CLIENT_PEC		0x04	/* Use Packet Error Checking */

#define I2C_CLIENT_TEN		0x10	/* we have a ten bit chip address */

					/* Must equal I2C_M_TEN below */

#define I2C_CLIENT_SLAVE	0x20	/* we are the slave */

#define I2C_CLIENT_HOST_NOTIFY	0x40	/* We want to use I2C host notify */

#define I2C_CLIENT_WAKE		0x80	/* for board_info; true iff can wake */

#define I2C_CLIENT_SCCB		0x9000	/* Use Omnivision SCCB protocol */

					/* Must match I2C_M_STOP|IGNORE_NAK */



/* i2c adapter classes (bitmask) */

#define I2C_CLASS_HWMON		(1<<0)	/* lm_sensors, ... */

#define I2C_CLASS_DDC		(1<<3)	/* DDC bus on graphics adapters */