for (i = 0; i < ARRAY_SIZE(platform_devices); ++i)
platform_device_unregister(platform_devices[i]);
platform_driver_unregister(&snd_opl3sa2_nonpnp_driver);
for (i = 0; i < ARRAY_SIZE(platform_devices); ++i)
platform_device_unregister(platform_devices[i]);
platform_driver_unregister(&snd_opl3sa2_nonpnp_driver);