diff options
| -rw-r--r-- | Documentation/i2c/smbus-protocol | 4 | ||||
| -rw-r--r-- | Documentation/i2c/writing-clients | 4 | ||||
| -rw-r--r-- | drivers/i2c/i2c-core.c | 23 |
3 files changed, 4 insertions, 27 deletions
diff --git a/Documentation/i2c/smbus-protocol b/Documentation/i2c/smbus-protocol index d1f2261..6012b12 100644 --- a/Documentation/i2c/smbus-protocol +++ b/Documentation/i2c/smbus-protocol @@ -137,8 +137,8 @@ available for writes where the two data bytes are the other way around (not SMBus compliant, but very popular.) -SMBus Process Call: i2c_smbus_process_call() -============================================= +SMBus Process Call: +=================== This command selects a device register (through the Comm byte), sends 16 bits of data to it, and reads 16 bits of data in return. diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients index 3a94b0e..6b344b5 100644 --- a/Documentation/i2c/writing-clients +++ b/Documentation/i2c/writing-clients @@ -365,8 +365,6 @@ in terms of it. Never use this function directly! s32 i2c_smbus_read_word_data(struct i2c_client *client, u8 command); s32 i2c_smbus_write_word_data(struct i2c_client *client, u8 command, u16 value); - s32 i2c_smbus_process_call(struct i2c_client *client, - u8 command, u16 value); s32 i2c_smbus_read_block_data(struct i2c_client *client, u8 command, u8 *values); s32 i2c_smbus_write_block_data(struct i2c_client *client, @@ -381,6 +379,8 @@ These ones were removed from i2c-core because they had no users, but could be added back later if needed: s32 i2c_smbus_write_quick(struct i2c_client *client, u8 value); + s32 i2c_smbus_process_call(struct i2c_client *client, + u8 command, u16 value); s32 i2c_smbus_block_process_call(struct i2c_client *client, u8 command, u8 length, u8 *values); diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index e388590..66a30f7 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1866,29 +1866,6 @@ s32 i2c_smbus_write_word_data(const struct i2c_client *client, u8 command, EXPORT_SYMBOL(i2c_smbus_write_word_data); /** - * i2c_smbus_process_call - SMBus "process call" protocol - * @client: Handle to slave device - * @command: Byte interpreted by slave - * @value: 16-bit "word" being written - * - * This executes the SMBus "process call" protocol, returning negative errno - * else a 16-bit unsigned "word" received from the device. - */ -s32 i2c_smbus_process_call(const struct i2c_client *client, u8 command, - u16 value) -{ - union i2c_smbus_data data; - int status; - data.word = value; - - status = i2c_smbus_xfer(client->adapter, client->addr, client->flags, - I2C_SMBUS_WRITE, command, - I2C_SMBUS_PROC_CALL, &data); - return (status < 0) ? status : data.word; -} -EXPORT_SYMBOL(i2c_smbus_process_call); - -/** * i2c_smbus_read_block_data - SMBus "block read" protocol * @client: Handle to slave device * @command: Byte interpreted by slave |
