root@mnb:/usr/src/alsa/alsa-driver-1.0.24# ./configure --with-cards=ymfpci --with-sequencer=yes
checking for gcc... gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking for ranlib... ranlib
checking for a BSD-compatible install... /usr/bin/install -c
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... yes
checking for an ANSI C-conforming const... yes
checking for inline... inline
checking whether time.h and sys/time.h may both be included... yes
checking whether gcc needs -traditional... no
checking for current directory... /usr/src/alsa/alsa-driver-1.0.24
checking cross compile...
checking for directory with ALSA kernel sources... /usr/src/alsa/alsa-driver-1.0.24/alsa-kernel
checking for directory with kernel source... /usr/src/linux
checking for directory with kernel build... /usr/src/linux
checking for kernel linux/version.h ... no
The file /usr/src/linux/include/INCLUDE_VERSION_H does not exist.
Please install the package with full kernel sources for your distribution
or use --with-kernel=dir option to specify another directory with kernel
sources (default is /usr/src/linux).
root@mnb:/usr/src/alsa/alsa-driver-1.0.24# cat /usr/src/linux/version.Debian 
2.6.32 31
root@mnb:/usr/src/alsa/alsa-driver-1.0.24# 

michael@mnb:~$ lsmod | grep ymf
snd_ymfpci             22219  0 
gameport                6061  1 snd_ymfpci
snd_ac97_codec         79148  1 snd_ymfpci
snd_pcm                47226  3 snd_ymfpci,snd_ac97_codec,snd_pcm_oss
snd_opl3_lib            6022  1 snd_ymfpci
snd_page_alloc          5045  2 snd_ymfpci,snd_pcm
snd_mpu401_uart         4067  1 snd_ymfpci
snd_timer              12258  4 snd_ymfpci,snd_pcm,snd_opl3_lib,snd_seq
snd                    34375  12 snd_ymfpci,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_opl3_lib,snd_hwdep,snd_mpu401_uart,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
michael@mnb:~$ sudo modprobe snd-ymfpci
[sudo] password for michael: 
michael@mnb:~$