Thank you, i reproduced this version, but noted that that when accessing the camera, generates a large amount of debugging information in /var/log/syslog, /var/log/messages, /var/log/kern.log:
...
Jan 31 04:53:40 localhost kernel: [ 1662.521479] [VFE_WARN] Nobody is waiting on this video buffer,buf
= 0xd535c2c0
Jan 31 04:53:40 localhost kernel: [ 1662.609079] [VFE_WARN] Nobody is waiting on this video buffer,buf
= 0xd4870800
Jan 31 04:53:40 localhost kernel: [ 1662.696673] [VFE_WARN]Only two buffer left for csi
Jan 31 04:53:40 localhost kernel: [ 1662.784252] [VFE]capture video mode!
Jan 31 04:53:40 localhost kernel: [ 1662.871855] [VFE]capture video first frame done!
Jan 31 04:53:40 localhost kernel: [ 1662.871880] [VFE_WARN] Nobody is waiting on this video buffer,buf
= 0xd5b108c0
Jan 31 04:53:40 localhost kernel: [ 1662.959447] [VFE_WARN]Only two buffer left for csi
Jan 31 04:53:40 localhost kernel: [ 1663.047053] [VFE]capture video mode!
Jan 31 04:53:40 localhost kernel: [ 1663.134639] [VFE]capture video first frame done!
Jan 31 04:53:40 localhost kernel: [ 1663.134657] [VFE_WARN] Nobody is waiting on this video buffer,buf
= 0xd535c380
Jan 31 04:53:40 localhost kernel: [ 1663.222285] [VFE_WARN] Nobody is waiting on this video buffer,buf
= 0xd535c2c0
Jan 31 04:53:41 localhost kernel: [ 1663.309844] [VFE_WARN]Only two buffer left for csi
Jan 31 04:53:41 localhost kernel: [ 1663.397436] [VFE]capture video mode!
Jan 31 04:53:41 localhost kernel: [ 1663.485040] [VFE]capture video first frame done!
Jan 31 04:53:41 localhost kernel: [ 1663.485064] [VFE_WARN] Nobody is waiting on this video buffer,buf
= 0xd4870800
...
How to stop this notice, or this is virtually impossible to use?