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i2c: Clean up <linux/i2c.h>

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Fix most checkpatch.pl errors and warnings. This includes replacing
spaces with tabs in many places, adding and removing spaces, and
folding long lines.

Also complete a couple prototypes to make it clearer what the
parameters represent.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Jean Delvare
2008-10-22 20:21:32 +02:00
parent 0e47858da4
commit 3ae70deef0
1 changed files with 74 additions and 73 deletions
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27
include/linux/i2c.h
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@@ -53,13 +53,14 @@ struct i2c_board_info;
* transmit one message at a time, a more complex version can be used to
* transmit an arbitrary number of messages without interruption.
*/
extern int i2c_master_send(struct i2c_client *,const char* ,int);
extern int i2c_master_recv(struct i2c_client *,char* ,int);
extern int i2c_master_send(struct i2c_client *client, const char *buf,
int count);
extern int i2c_master_recv(struct i2c_client *client, char *buf, int count);
/* Transfer num messages.
*/
extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num);
extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
int num);
/* This is the very generalized SMBus access routine. You probably do not
want to use this, though; one of the functions below may be much easier,
@@ -67,9 +68,8 @@ extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
Note that we use i2c_adapter here, because you do not need a specific
smbus adapter to call this function. */
extern s32 i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
unsigned short flags,
char read_write, u8 command, int size,
union i2c_smbus_data * data);
unsigned short flags, char read_write, u8 command,
int size, union i2c_smbus_data *data);
/* Now follow the 'nice' access routines. These also document the calling
conventions of i2c_smbus_xfer. */
@@ -86,8 +86,7 @@ extern s32 i2c_smbus_write_word_data(struct i2c_client * client,
extern s32 i2c_smbus_read_block_data(struct i2c_client *client,
u8 command, u8 *values);
extern s32 i2c_smbus_write_block_data(struct i2c_client *client,
u8 command, u8 length,
const u8 *values);
u8 command, u8 length, const u8 *values);
/* Returns the number of read bytes */
extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client *client,
u8 command, u8 length, u8 *values);
@@ -306,10 +305,12 @@ extern void i2c_unregister_device(struct i2c_client *);
*/
#ifdef CONFIG_I2C_BOARDINFO
extern int
i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned n);
i2c_register_board_info(int busnum, struct i2c_board_info const *info,
unsigned n);
#else
static inline int
i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned n)
i2c_register_board_info(int busnum, struct i2c_board_info const *info,
unsigned n)
{
return 0;
}
@@ -465,7 +466,7 @@ static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func)
return (func & i2c_get_functionality(adap)) == func;
}
/* Return id number for a specific adapter */
/* Return the adapter number for a specific adapter */
static inline int i2c_adapter_id(struct i2c_adapter *adap)
{
return adap->nr;
@@ -526,7 +527,7 @@ struct i2c_msg {
#define I2C_FUNC_I2C 0x00000001
#define I2C_FUNC_10BIT_ADDR 0x00000002
#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_NOSTART etc. */
#define I2C_FUNC_SMBUS_PEC 0x00000008
#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
#define I2C_FUNC_SMBUS_QUICK 0x00010000