diff -ru work/wis-go7007-linux-0.9.8/kernel/snd-go7007.c fixed/kernel/snd-go7007.c
--- work/wis-go7007-linux-0.9.8/kernel/snd-go7007.c	2007-04-30 11:11:35.000000000 -0300
+++ fixed/kernel/snd-go7007.c	2007-04-30 11:09:14.000000000 -0300
@@ -57,6 +57,16 @@
 MODULE_PARM_DESC(index, "ID string for the go7007 audio driver");
 MODULE_PARM_DESC(index, "Enable for the go7007 audio driver");
 
+typedef struct snd_card snd_card_t;
+typedef struct snd_pcm snd_pcm_t;
+typedef struct snd_pcm_substream snd_pcm_substream_t;
+typedef struct snd_pcm_hardware snd_pcm_hardware_t;
+typedef struct snd_pcm_runtime snd_pcm_runtime_t;
+typedef struct snd_pcm_hw_params snd_pcm_hw_params_t;
+typedef struct snd_pcm_ops snd_pcm_ops_t;
+typedef struct snd_device snd_device_t;
+typedef struct snd_device_ops snd_device_ops_t;
+
 struct go7007_snd {
 	snd_card_t *card;
 	snd_pcm_t *pcm;