BUG ALSA Yamaha driver

[Luis Miguel Garcia <ktech@wanadoo.es>]

Hello:

I'm getting this error when I compile Yamaha ALSA Module IN KERNEL. If I compile it as a module, all goes OK and sound works well. Any more info about it?
 

  LD      vmlinux
sound/built-in.o(.text+0x262e4): In function `snd_rawmidi_dev_register':
: referencia a `snd_seq_device_new' sin definir
sound/built-in.o(.text+0x27f99): In function `snd_opl3_hwdep_new':
: referencia a `snd_seq_device_new' sin definir
sound/built-in.o(.text+0x28c3b): In function `snd_opl3_synth_event_input':
: referencia a `snd_seq_instr_event' sin definir
sound/built-in.o(.text+0x28c54): In function `snd_opl3_synth_event_input':
: referencia a `snd_midi_process_event' sin definir
sound/built-in.o(.text+0x28c9c): In function `snd_opl3_synth_create_port':
: referencia a `snd_midi_channel_alloc_set' sin definir
sound/built-in.o(.text+0x28d77): In function `snd_opl3_synth_create_port':
: referencia a `snd_seq_event_port_attach' sin definir
sound/built-in.o(.text+0x28d9a): In function `snd_opl3_synth_create_port':
: referencia a `snd_midi_channel_free_set' sin definir
sound/built-in.o(.text+0x28e21): In function `snd_opl3_seq_new_device':
: referencia a `snd_seq_create_kernel_client' sin definir
sound/built-in.o(.text+0x28e77): In function `snd_opl3_seq_new_device':
: referencia a `snd_seq_kernel_client_ctl' sin definir
sound/built-in.o(.text+0x28e84): In function `snd_opl3_seq_new_device':
: referencia a `snd_seq_instr_list_new' sin definir
sound/built-in.o(.text+0x28e93): In function `snd_opl3_seq_new_device':
: referencia a `snd_seq_delete_kernel_client' sin definir
sound/built-in.o(.text+0x28ee5): In function `snd_opl3_seq_new_device':
: referencia a `snd_seq_fm_init' sin definir
sound/built-in.o(.text+0x28f45): In function `snd_opl3_seq_delete_device':
: referencia a `snd_seq_delete_kernel_client' sin definir
sound/built-in.o(.text+0x28f68): In function `snd_opl3_seq_delete_device':
: referencia a `snd_seq_instr_list_free' sin definir
sound/built-in.o(.text+0x28c6c): In function `snd_opl3_synth_free_port':
: referencia a `snd_midi_channel_free_set' sin definir
sound/built-in.o(.text+0x293e1): In function `snd_opl3_note_on':
: referencia a `snd_seq_instr_find' sin definir
sound/built-in.o(.text+0x297ff): In function `snd_opl3_note_on':
: referencia a `snd_seq_instr_free_use' sin definir
sound/built-in.o(.text+0x29a8f): In function `snd_opl3_note_on':
: referencia a `snd_seq_instr_free_use' sin definir
sound/built-in.o(.exit.text+0x38b): In function `alsa_opl3_seq_exit':
: referencia a `snd_seq_device_unregister_driver' sin definir
sound/built-in.o(.init.text+0x81b): In function `alsa_opl3_seq_init':
: referencia a `snd_seq_device_register_driver' sin definir
make: *** [vmlinux] Error 1