simple-api: improve documentation
authorBartosz Golaszewski <bartekgola@gmail.com>
Wed, 11 Oct 2017 15:01:04 +0000 (17:01 +0200)
committerBartosz Golaszewski <bartekgola@gmail.com>
Wed, 11 Oct 2017 15:01:04 +0000 (17:01 +0200)
commitb96ddf1635b94351ddc833371c7481a975c039eb
treebe2710a175350e5d59f393dc622af6338687a219
parent07698f995016aade4a5bbf8b9efafd6b8536e00e
simple-api: improve documentation

Mention the meaning of a positive value returned from the polling
callback of the simple event loop routines.

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
include/gpiod.h