diff options
Diffstat (limited to 'Documentation/i2c/dev-interface.rst')
| -rw-r--r-- | Documentation/i2c/dev-interface.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/i2c/dev-interface.rst b/Documentation/i2c/dev-interface.rst index bdb247f2f11a..c277a8e1202b 100644 --- a/Documentation/i2c/dev-interface.rst +++ b/Documentation/i2c/dev-interface.rst @@ -148,7 +148,7 @@ You can do plain I2C transactions by using read(2) and write(2) calls. You do not need to pass the address byte; instead, set it through ioctl I2C_SLAVE before you try to access the device. -You can do SMBus level transactions (see documentation file smbus-protocol +You can do SMBus level transactions (see documentation file smbus-protocol.rst for details) through the following functions:: __s32 i2c_smbus_write_quick(int file, __u8 value); @@ -159,6 +159,8 @@ for details) through the following functions:: __s32 i2c_smbus_read_word_data(int file, __u8 command); __s32 i2c_smbus_write_word_data(int file, __u8 command, __u16 value); __s32 i2c_smbus_process_call(int file, __u8 command, __u16 value); + __s32 i2c_smbus_block_process_call(int file, __u8 command, __u8 length, + __u8 *values); __s32 i2c_smbus_read_block_data(int file, __u8 command, __u8 *values); __s32 i2c_smbus_write_block_data(int file, __u8 command, __u8 length, __u8 *values); |