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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(const 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

March 2016 Kernel Hackers Manual 3.2.