Hi,
Is there are reason for uvc_v4l2.c not implementing the compat_ioctl?
This patch from Arnd Bergmann fixes the "Unkonwn cmd" issue for me on
PowerPC64 with 32bit userspace.
--- uvc_v4l2.c (revision 91)
+++ uvc_v4l2.c (working copy)
@@ -971,6 +971,7 @@
.open = uvc_v4l2_open,
.release = uvc_v4l2_release,
.ioctl = uvc_v4l2_ioctl,
+ .compat_ioctl = v4l_compat_ioctl32,
.llseek = no_llseek,
.read = uvc_v4l2_read,
.mmap = uvc_v4l2_mmap,
regards,
Felix
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