vendor_command
result = vendor_command(cyp, CYPRESS_WRITE_PORT, write_id,
result = vendor_command(cyp, CYPRESS_READ_PORT, read_id, 0);
retval = vendor_command(cytherm->udev, WRITE_RAM, BRIGHTNESS_SEM,
retval = vendor_command(cytherm->udev, READ_RAM, TEMP, 0, buffer, 8);
retval = vendor_command(cytherm->udev, READ_RAM, SIGN, 0, buffer, 8);
retval = vendor_command(cytherm->udev, READ_RAM, BUTTON, 0, buffer, 8);
retval = vendor_command(cytherm->udev, READ_PORT, 0, 0, buffer, 8);
retval = vendor_command(cytherm->udev, WRITE_PORT, 0,
retval = vendor_command(cytherm->udev, READ_PORT, 1, 0, buffer, 8);
retval = vendor_command(cytherm->udev, WRITE_PORT, 1,
retval = vendor_command(cytherm->udev, WRITE_RAM, BRIGHTNESS,