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| author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-11-18 22:44:23 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-11-18 22:44:23 -0800 |
| commit | b92c617d88deda085e7209bffe47fc1817e18d8b (patch) | |
| tree | cdc817ad82bbeea43e4587b9737f6691cdf5c75e /Documentation | |
| parent | 2f30a379dd346c51a2693c5872c56a0fc2e2982f (diff) | |
| parent | ce1061cb7ebe9c32d1948c166e217a64093aeb9f (diff) | |
| download | history-b92c617d88deda085e7209bffe47fc1817e18d8b.tar.gz | |
Merge bk://kernel.bkbits.net/gregkh/linux/i2c-2.6
into ppc970.osdl.org:/home/torvalds/v2.6/linux
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/i2c/writing-clients | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients index b182423fdbb6f6..011e92094c028d 100644 --- a/Documentation/i2c/writing-clients +++ b/Documentation/i2c/writing-clients @@ -676,14 +676,26 @@ SMBus communication extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command); extern s32 i2c_smbus_write_word_data(struct i2c_client * client, u8 command, u16 value); - extern s32 i2c_smbus_process_call(struct i2c_client * client, - u8 command, u16 value); - 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, u8 *values); +These ones were removed in Linux 2.6.10 because they had no users, but could +be added back later if needed: + + extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client, + u8 command, u8 *values); + extern s32 i2c_smbus_read_block_data(struct i2c_client * client, + u8 command, u8 *values); + extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client, + u8 command, u8 length, + u8 *values); + extern s32 i2c_smbus_process_call(struct i2c_client * client, + u8 command, u16 value); + extern s32 i2c_smbus_block_process_call(struct i2c_client *client, + u8 command, u8 length, + u8 *values) + All these transactions return -1 on failure. The 'write' transactions return 0 on success; the 'read' transactions return the read value, except for read_block, which returns the number of values read. The block buffers |