I2C_CLIENT_F_CLAIM_ADDR
if ((client->icli_flags & I2C_CLIENT_F_CLAIM_ADDR) != 0) {
client->icli_flags &= ~I2C_CLIENT_F_CLAIM_ADDR;
(*clientp)->icli_flags |= I2C_CLIENT_F_CLAIM_ADDR;
if ((client->icli_flags & I2C_CLIENT_F_CLAIM_ADDR) == 0)