ES7210驱动包

应需求调试一个ES7210的阵列麦克风

首先移植

From 234647c69a57c32198c65836e7fc521dc22e444b Mon Sep 17 00:00:00 2001
From: LuoXiaoTan <lxt@rock-chips.com>
Date: Tue, 10 Jul 2018 18:08:50 -0700
Subject: [PATCH] ASoC: codecs: add es7210 adc driver

---
 .../dts/rockchip/rk3399-excavator-sapphire.dtsi    |    3 +-
 .../dts/rockchip/rk3399-sapphire-excavator-edp.dts |   29 +-
 sound/soc/codecs/Kconfig                           |    4 +
 sound/soc/codecs/Makefile                          |    2 +
 sound/soc/codecs/es7210.c                          | 1774 ++++++++++++++++++++
 sound/soc/codecs/es7210.h                          |   76 +


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