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I2C_SMBUS_WRITE_BLOC(9) I2C and SMBus Subsystem I2C_SMBUS_WRITE_BLOC(9)

NAME

i2c_smbus_write_block_data - SMBus “block write” protocol

SYNOPSIS

s32 i2c_smbus_write_block_data(struct i2c_client * client, u8 command, u8 length, const u8 * values);

ARGUMENTS

client

Handle to slave device

command

Byte interpreted by slave

length

Size of data block; SMBus allows at most 32 bytes

values

Byte array which will be written.

DESCRIPTION

This executes the SMBus “block write” protocol, returning negative errno else zero on success.

COPYRIGHT

May 2024 Kernel Hackers Manual 2.6.