i2c_smbus_read_byte_data(9) SMBus read byte protocol

SYNOPSIS

s32 i2c_smbus_read_byte_data(const struct i2c_client * client, u8 command);

ARGUMENTS

client

Handle to slave device

command

Byte interpreted by slave

DESCRIPTION

This executes the SMBus "read byte" protocol, returning negative errno else a data byte received from the device.

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