In the linux-2.6.18_pro500\drivers\media\video\davinci\davinci_vpfe.c
======== vpfe_doioctl ========
...
case VIDIOC_STREAMON:
...
ccdc_enable(TRUE);
up(&vpfe->lock);
dev_dbg(vpfe_dev, "started video streaming.\n");
break;
...
the vpfe start to capture data after ccdc_enable(TRUE);
but how does the ioctl know the vpfe had completed to capture a whole frame ?
If the vpfe didn't capture a whole frame and the ioctl return,
Does the user will get a wrong data ?
Thanks
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