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authorDavid Brownell <david-b@pacbell.net>2006-12-10 15:21:31 -0500
committerJean Delvare <khali@arrakis.delvare>2006-12-10 15:21:31 -0500
commit438d6c2c015cf63bf7e9bdc2033d435433ac8455 (patch)
tree12194d5fa00e09006f4fa332d2c4a8635b0ebc66 /include/linux/i2c.h
parent2c003e8e1c0c241aec162ba9ec781089c5b2ff3f (diff)
i2c: Whitespace cleanups
Remove extraneous whitespace from various i2c headers and core files, like space-before-tab and whitespace at end of line. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'include/linux/i2c.h')
-rw-r--r--include/linux/i2c.h74
1 files changed, 37 insertions, 37 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 08df4169b411..71e50d3e492f 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -1,7 +1,7 @@
1/* ------------------------------------------------------------------------- */ 1/* ------------------------------------------------------------------------- */
2/* */ 2/* */
3/* i2c.h - definitions for the i2c-bus interface */ 3/* i2c.h - definitions for the i2c-bus interface */
4/* */ 4/* */
5/* ------------------------------------------------------------------------- */ 5/* ------------------------------------------------------------------------- */
6/* Copyright (C) 1995-2000 Simon G. Vogl 6/* Copyright (C) 1995-2000 Simon G. Vogl
7 7
@@ -27,7 +27,7 @@
27#define _LINUX_I2C_H 27#define _LINUX_I2C_H
28 28
29#include <linux/types.h> 29#include <linux/types.h>
30#ifdef __KERNEL__ 30#ifdef __KERNEL__
31#include <linux/module.h> 31#include <linux/module.h>
32#include <linux/i2c-id.h> 32#include <linux/i2c-id.h>
33#include <linux/mod_devicetable.h> 33#include <linux/mod_devicetable.h>
@@ -53,8 +53,8 @@ union i2c_smbus_data;
53 53
54/* 54/*
55 * The master routines are the ones normally used to transmit data to devices 55 * The master routines are the ones normally used to transmit data to devices
56 * on a bus (or read from them). Apart from two basic transfer functions to 56 * on a bus (or read from them). Apart from two basic transfer functions to
57 * transmit one message at a time, a more complex version can be used to 57 * transmit one message at a time, a more complex version can be used to
58 * transmit an arbitrary number of messages without interruption. 58 * transmit an arbitrary number of messages without interruption.
59 */ 59 */
60extern int i2c_master_send(struct i2c_client *,const char* ,int); 60extern int i2c_master_send(struct i2c_client *,const char* ,int);
@@ -67,10 +67,10 @@ extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
67 67
68/* This is the very generalized SMBus access routine. You probably do not 68/* This is the very generalized SMBus access routine. You probably do not
69 want to use this, though; one of the functions below may be much easier, 69 want to use this, though; one of the functions below may be much easier,
70 and probably just as fast. 70 and probably just as fast.
71 Note that we use i2c_adapter here, because you do not need a specific 71 Note that we use i2c_adapter here, because you do not need a specific
72 smbus adapter to call this function. */ 72 smbus adapter to call this function. */
73extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr, 73extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr,
74 unsigned short flags, 74 unsigned short flags,
75 char read_write, u8 command, int size, 75 char read_write, u8 command, int size,
76 union i2c_smbus_data * data); 76 union i2c_smbus_data * data);
@@ -112,14 +112,14 @@ struct i2c_driver {
112 112
113 /* Notifies the driver that a new bus has appeared. This routine 113 /* Notifies the driver that a new bus has appeared. This routine
114 * can be used by the driver to test if the bus meets its conditions 114 * can be used by the driver to test if the bus meets its conditions
115 * & seek for the presence of the chip(s) it supports. If found, it 115 * & seek for the presence of the chip(s) it supports. If found, it
116 * registers the client(s) that are on the bus to the i2c admin. via 116 * registers the client(s) that are on the bus to the i2c admin. via
117 * i2c_attach_client. 117 * i2c_attach_client.
118 */ 118 */
119 int (*attach_adapter)(struct i2c_adapter *); 119 int (*attach_adapter)(struct i2c_adapter *);
120 int (*detach_adapter)(struct i2c_adapter *); 120 int (*detach_adapter)(struct i2c_adapter *);
121 121
122 /* tells the driver that a client is about to be deleted & gives it 122 /* tells the driver that a client is about to be deleted & gives it
123 * the chance to remove its private data. Also, if the client struct 123 * the chance to remove its private data. Also, if the client struct
124 * has been dynamically allocated by the driver in the function above, 124 * has been dynamically allocated by the driver in the function above,
125 * it must be freed here. 125 * it must be freed here.
@@ -139,13 +139,13 @@ struct i2c_driver {
139#define I2C_NAME_SIZE 50 139#define I2C_NAME_SIZE 50
140 140
141/* 141/*
142 * i2c_client identifies a single device (i.e. chip) that is connected to an 142 * i2c_client identifies a single device (i.e. chip) that is connected to an
143 * i2c bus. The behaviour is defined by the routines of the driver. This 143 * i2c bus. The behaviour is defined by the routines of the driver. This
144 * function is mainly used for lookup & other admin. functions. 144 * function is mainly used for lookup & other admin. functions.
145 */ 145 */
146struct i2c_client { 146struct i2c_client {
147 unsigned int flags; /* div., see below */ 147 unsigned int flags; /* div., see below */
148 unsigned short addr; /* chip address - NOTE: 7bit */ 148 unsigned short addr; /* chip address - NOTE: 7bit */
149 /* addresses are stored in the */ 149 /* addresses are stored in the */
150 /* _LOWER_ 7 bits */ 150 /* _LOWER_ 7 bits */
151 struct i2c_adapter *adapter; /* the adapter we sit on */ 151 struct i2c_adapter *adapter; /* the adapter we sit on */
@@ -182,14 +182,14 @@ static inline void i2c_set_clientdata (struct i2c_client *dev, void *data)
182 */ 182 */
183struct i2c_algorithm { 183struct i2c_algorithm {
184 /* If an adapter algorithm can't do I2C-level access, set master_xfer 184 /* If an adapter algorithm can't do I2C-level access, set master_xfer
185 to NULL. If an adapter algorithm can do SMBus access, set 185 to NULL. If an adapter algorithm can do SMBus access, set
186 smbus_xfer. If set to NULL, the SMBus protocol is simulated 186 smbus_xfer. If set to NULL, the SMBus protocol is simulated
187 using common I2C messages */ 187 using common I2C messages */
188 /* master_xfer should return the number of messages successfully 188 /* master_xfer should return the number of messages successfully
189 processed, or a negative value on error */ 189 processed, or a negative value on error */
190 int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs, 190 int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs,
191 int num); 191 int num);
192 int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr, 192 int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,
193 unsigned short flags, char read_write, 193 unsigned short flags, char read_write,
194 u8 command, int size, union i2c_smbus_data * data); 194 u8 command, int size, union i2c_smbus_data * data);
195 195
@@ -317,7 +317,7 @@ extern int i2c_check_addr (struct i2c_adapter *adapter, int addr);
317 * It will only call found_proc if some client is connected at the 317 * It will only call found_proc if some client is connected at the
318 * specific address (unless a 'force' matched); 318 * specific address (unless a 'force' matched);
319 */ 319 */
320extern int i2c_probe(struct i2c_adapter *adapter, 320extern int i2c_probe(struct i2c_adapter *adapter,
321 struct i2c_client_address_data *address_data, 321 struct i2c_client_address_data *address_data,
322 int (*found_proc) (struct i2c_adapter *, int, int)); 322 int (*found_proc) (struct i2c_adapter *, int, int));
323 323
@@ -353,15 +353,15 @@ static inline int i2c_adapter_id(struct i2c_adapter *adap)
353 */ 353 */
354struct i2c_msg { 354struct i2c_msg {
355 __u16 addr; /* slave address */ 355 __u16 addr; /* slave address */
356 __u16 flags; 356 __u16 flags;
357#define I2C_M_TEN 0x10 /* we have a ten bit chip address */ 357#define I2C_M_TEN 0x10 /* we have a ten bit chip address */
358#define I2C_M_RD 0x01 358#define I2C_M_RD 0x01
359#define I2C_M_NOSTART 0x4000 359#define I2C_M_NOSTART 0x4000
360#define I2C_M_REV_DIR_ADDR 0x2000 360#define I2C_M_REV_DIR_ADDR 0x2000
361#define I2C_M_IGNORE_NAK 0x1000 361#define I2C_M_IGNORE_NAK 0x1000
362#define I2C_M_NO_RD_ACK 0x0800 362#define I2C_M_NO_RD_ACK 0x0800
363 __u16 len; /* msg length */ 363 __u16 len; /* msg length */
364 __u8 *buf; /* pointer to msg data */ 364 __u8 *buf; /* pointer to msg data */
365}; 365};
366 366
367/* To determine what functionality is present */ 367/* To determine what functionality is present */
@@ -371,16 +371,16 @@ struct i2c_msg {
371#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */ 371#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
372#define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */ 372#define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */
373#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */ 373#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
374#define I2C_FUNC_SMBUS_QUICK 0x00010000 374#define I2C_FUNC_SMBUS_QUICK 0x00010000
375#define I2C_FUNC_SMBUS_READ_BYTE 0x00020000 375#define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
376#define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000 376#define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
377#define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000 377#define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
378#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000 378#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
379#define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000 379#define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
380#define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000 380#define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
381#define I2C_FUNC_SMBUS_PROC_CALL 0x00800000 381#define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
382#define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000 382#define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
383#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000 383#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
384#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */ 384#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
385#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */ 385#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
386#define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */ 386#define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */
@@ -407,10 +407,10 @@ struct i2c_msg {
407 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \ 407 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
408 I2C_FUNC_SMBUS_I2C_BLOCK) 408 I2C_FUNC_SMBUS_I2C_BLOCK)
409 409
410/* 410/*
411 * Data for SMBus Messages 411 * Data for SMBus Messages
412 */ 412 */
413#define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */ 413#define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
414union i2c_smbus_data { 414union i2c_smbus_data {
415 __u8 byte; 415 __u8 byte;
416 __u16 word; 416 __u16 word;
@@ -422,11 +422,11 @@ union i2c_smbus_data {
422#define I2C_SMBUS_READ 1 422#define I2C_SMBUS_READ 1
423#define I2C_SMBUS_WRITE 0 423#define I2C_SMBUS_WRITE 0
424 424
425/* SMBus transaction types (size parameter in the above functions) 425/* SMBus transaction types (size parameter in the above functions)
426 Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */ 426 Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
427#define I2C_SMBUS_QUICK 0 427#define I2C_SMBUS_QUICK 0
428#define I2C_SMBUS_BYTE 1 428#define I2C_SMBUS_BYTE 1
429#define I2C_SMBUS_BYTE_DATA 2 429#define I2C_SMBUS_BYTE_DATA 2
430#define I2C_SMBUS_WORD_DATA 3 430#define I2C_SMBUS_WORD_DATA 3
431#define I2C_SMBUS_PROC_CALL 4 431#define I2C_SMBUS_PROC_CALL 4
432#define I2C_SMBUS_BLOCK_DATA 5 432#define I2C_SMBUS_BLOCK_DATA 5
@@ -435,15 +435,15 @@ union i2c_smbus_data {
435 435
436 436
437/* ----- commands for the ioctl like i2c_command call: 437/* ----- commands for the ioctl like i2c_command call:
438 * note that additional calls are defined in the algorithm and hw 438 * note that additional calls are defined in the algorithm and hw
439 * dependent layers - these can be listed here, or see the 439 * dependent layers - these can be listed here, or see the
440 * corresponding header files. 440 * corresponding header files.
441 */ 441 */
442 /* -> bit-adapter specific ioctls */ 442 /* -> bit-adapter specific ioctls */
443#define I2C_RETRIES 0x0701 /* number of times a device address */ 443#define I2C_RETRIES 0x0701 /* number of times a device address */
444 /* should be polled when not */ 444 /* should be polled when not */
445 /* acknowledging */ 445 /* acknowledging */
446#define I2C_TIMEOUT 0x0702 /* set timeout - call with int */ 446#define I2C_TIMEOUT 0x0702 /* set timeout - call with int */
447 447
448 448
449/* this is for i2c-dev.c */ 449/* this is for i2c-dev.c */