dear all:
I want to use select method to query data in capture buffer(ioctl VIDIOC_DQBUF
),but when i look up the driver in davinci_vpfe.c,I cann't find it realized it:
static struct file_operations vpfe_fops = {
.owner = THIS_MODULE,
.open = vpfe_open,
.release = vpfe_release,
.ioctl = vpfe_ioctl,
.mmap = vpfe_mmap
};
It has not realized poll() function in the file_operations set! so it is
uselessly for sys_call select i thinked! but the v4l2 interface support the
system call!
2009-08-17
zuowenping
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