From 24d60a11e34203f7b1c2f0634735216a50b2e3c0 Mon Sep 17 00:00:00 2001
From: Jared Boone <jboone@earfeast.com>
Date: Mon, 14 Dec 2015 12:09:01 -0800
Subject: [PATCH] Add WM8731.read() for cached values.

---
 firmware/common/wm8731.cpp | 4 ++++
 firmware/common/wm8731.hpp | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/firmware/common/wm8731.cpp b/firmware/common/wm8731.cpp
index 6ecd0665..15e7e6da 100644
--- a/firmware/common/wm8731.cpp
+++ b/firmware/common/wm8731.cpp
@@ -36,5 +36,9 @@ void WM8731::write(const address_t reg_address, const reg_t value) {
 	bus.transmit(bus_address, values.data(), values.size());
 }
 
+reg_t WM8731::read(const address_t reg_address) {
+	return map.w[reg_address];
+}
+
 } /* namespace wm8731 */
 } /* namespace wolfson */
diff --git a/firmware/common/wm8731.hpp b/firmware/common/wm8731.hpp
index 4a0e1f98..ab083390 100644
--- a/firmware/common/wm8731.hpp
+++ b/firmware/common/wm8731.hpp
@@ -394,6 +394,8 @@ public:
 	// 	write(Register::AnalogAudioPathControl);
 	// }
 
+	reg_t read(const address_t reg_address);
+	
 private:
 	I2C& bus;
 	const I2C::address_t bus_address;