How to enable IIO driver in 3.18 kernel

[Valdis.Kletnieks at vt.edu]

On Wed, 01 Jun 2016 12:18:55 +0800, "FrankYu" said:
> How can I read the content?

I admit confusion.  The content of what?  And read it from where? Userspace?

int fd = open ("/dev/iio:whatever",yadda yadda);
int rc = read(fd, &buffer, sizeof(buffer);

Same as reading any other device.

If you mean something else, you'll have to explain..

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