From: Wang Jia Lin <wangjialin@espressif.com>
Date: Thu, 5 Jan 2017 12:05:13 +0000 (+0800)
Subject: Merge branch 'feature/ledc' into 'master'
X-Git-Tag: v2.0-rc1~90
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ad1d4500f93e7c34388e0728792352aef085d25e;p=esp-idf

Merge branch 'feature/ledc' into 'master'

driver: ledc update

1. add fading functions.
2. clear up ledc.h
3. update api doc.
4. add ledc example

See merge request !347
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ad1d4500f93e7c34388e0728792352aef085d25e