I2C_TRANSFER
saa7146_write(dev, I2C_TRANSFER, 0);
saa7146_write(dev, I2C_TRANSFER, le32_to_cpu(*dword));
saa7146_write(dev, I2C_TRANSFER, le32_to_cpu(*dword));
*dword = cpu_to_le32(saa7146_read(dev, I2C_TRANSFER));