$ make
if [ ! -d include/sound -a ! -L include/sound ]; then \
	  ln -sf ../alsa-kernel/include include/sound ; \
	fi
cp -puvf include/version.h include/sound/version.h
`include/version.h' -> `include/sound/version.h'
make dep
make[1]: Entering directory `/home/linfan/Desktop/alsa-driver-1.0.16rc2'
make[2]: Entering directory `/home/linfan/Desktop/alsa-driver-1.0.16rc2/acore'
copying file alsa-kernel/core/info.c
/home/linfan/Desktop/alsa-driver-1.0.16rc2/utils/patch-alsa: line 22: patch: command not found
make[2]: *** [info.c] Error 1
make[2]: Leaving directory `/home/linfan/Desktop/alsa-driver-1.0.16rc2/acore'
make[1]: *** [dep] Error 1
make[1]: Leaving directory `/home/linfan/Desktop/alsa-driver-1.0.16rc2'
make: *** [include/sndversions.h] Error 2