KEMPLD_I2C_DATA
kempld_write8(pld, KEMPLD_I2C_DATA, addr);
kempld_write8(pld, KEMPLD_I2C_DATA, addr);
msg->buf[i2c->pos++] = kempld_read8(pld, KEMPLD_I2C_DATA);
kempld_write8(pld, KEMPLD_I2C_DATA, msg->buf[i2c->pos++]);