#define CX18_DSP0_INTERRUPT_MASK       0xd0004C
 
 static struct file_operations cx18_v4l2_enc_fops = {
-      .owner = THIS_MODULE,
-      .read = cx18_v4l2_read,
-      .open = cx18_v4l2_open,
-      .ioctl = cx18_v4l2_ioctl,
-      .release = cx18_v4l2_close,
-      .poll = cx18_v4l2_enc_poll,
+       .owner = THIS_MODULE,
+       .read = cx18_v4l2_read,
+       .open = cx18_v4l2_open,
+       .ioctl = cx18_v4l2_ioctl,
+       .compat_ioctl = v4l_compat_ioctl32,
+       .release = cx18_v4l2_close,
+       .poll = cx18_v4l2_enc_poll,
 };
 
 /* offset from 0 to register ts v4l2 minors on */
 
 #include "ivtv-streams.h"
 
 static const struct file_operations ivtv_v4l2_enc_fops = {
-      .owner = THIS_MODULE,
-      .read = ivtv_v4l2_read,
-      .write = ivtv_v4l2_write,
-      .open = ivtv_v4l2_open,
-      .ioctl = ivtv_v4l2_ioctl,
-      .release = ivtv_v4l2_close,
-      .poll = ivtv_v4l2_enc_poll,
+       .owner = THIS_MODULE,
+       .read = ivtv_v4l2_read,
+       .write = ivtv_v4l2_write,
+       .open = ivtv_v4l2_open,
+       .ioctl = ivtv_v4l2_ioctl,
+       .compat_ioctl = v4l_compat_ioctl32,
+       .release = ivtv_v4l2_close,
+       .poll = ivtv_v4l2_enc_poll,
 };
 
 static const struct file_operations ivtv_v4l2_dec_fops = {
-      .owner = THIS_MODULE,
-      .read = ivtv_v4l2_read,
-      .write = ivtv_v4l2_write,
-      .open = ivtv_v4l2_open,
-      .ioctl = ivtv_v4l2_ioctl,
-      .release = ivtv_v4l2_close,
-      .poll = ivtv_v4l2_dec_poll,
+       .owner = THIS_MODULE,
+       .read = ivtv_v4l2_read,
+       .write = ivtv_v4l2_write,
+       .open = ivtv_v4l2_open,
+       .ioctl = ivtv_v4l2_ioctl,
+       .compat_ioctl = v4l_compat_ioctl32,
+       .release = ivtv_v4l2_close,
+       .poll = ivtv_v4l2_dec_poll,
 };
 
 #define IVTV_V4L2_DEC_MPG_OFFSET  16   /* offset from 0 to register decoder mpg v4l2 minors on */