Make IIO_EVENT_CODE "private" by adding a leading underscore.
There are no more users of this macro in the kernel so we can make it
"private" and encourage developers to use the specialized versions of
the macro instead.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241101-iio-fix-event-macro-use-v1-3-0000c5d09f6d@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
01f567d221