[Alsa-user] error compiling sound.c in alsa-driver

[kza <kha...@gm...>]

Hello, I am trying to compile alsa-driver latest stable version and I
get this error:
wah:/home/kza/alsa-driver-0.5.12a# make install
make[1]: Entering directory `/home/kza/alsa-driver-0.5.12a/kernel'
gcc   -DALSA_BUILD -D__KERNEL__ -O2 -mpreferred-stack-boundary=2
-march=i586 -DLINUX -Wall -Wstrict-prototypes -fomit-frame-pointer -pipe
-I/usr/src/linux/include -I.. -DEXPORT_SYMTAB -c sound.c
sound.c: In function `snd_lseek':
sound.c:140: invalid operands to binary &
sound.c: In function `snd_read':
sound.c:156: invalid operands to binary &
sound.c: In function `snd_write':
sound.c:172: invalid operands to binary &
sound.c: In function `snd_readv':
sound.c:189: invalid operands to binary &
sound.c: In function `snd_writev':
sound.c:205: invalid operands to binary &
sound.c: In function `snd_open':
sound.c:220: invalid operands to binary &
sound.c: In function `snd_release':
sound.c:234: invalid operands to binary &
sound.c: In function `snd_poll':
sound.c:248: invalid operands to binary &
sound.c: In function `snd_ioctl':
sound.c:263: invalid operands to binary &
sound.c: In function `snd_mmap':
sound.c:315: invalid operands to binary &
make[1]: *** [sound.o] Error 1
make[1]: Leaving directory `/home/kza/alsa-driver-0.5.12a/kernel'
make: *** [compile] Error 1

This happened after upgrading my kernel from 2.5.1-dj12 to 2.5.1-dj13,
maybe that has something to do with it.

Thanks

Kurt