diff --git a/firmware/common/wm8731.cpp b/firmware/common/wm8731.cpp
index f5c454c3..b0b27151 100644
--- a/firmware/common/wm8731.cpp
+++ b/firmware/common/wm8731.cpp
@@ -87,21 +87,21 @@ void WM8731::init() {
 	headphone_mute();
 }
 
-void WM8731::reset() {
-	write(0x0f, 0);
+bool WM8731::reset() {
+	return write(0x0f, 0);
 }
 
-void WM8731::write(const Register reg) {
-	write(toUType(reg), map.w[toUType(reg)]);
+bool WM8731::write(const Register reg) {
+	return write(toUType(reg), map.w[toUType(reg)]);
 }
 
-void WM8731::write(const address_t reg_address, const reg_t value) {
+bool WM8731::write(const address_t reg_address, const reg_t value) {
 	const uint16_t word = (reg_address << 9) | value;
 	const std::array<uint8_t, 2> values {
 		static_cast<uint8_t>(word >> 8),
 		static_cast<uint8_t>(word & 0xff),
 	};
-	bus.transmit(bus_address, values.data(), values.size());
+	return bus.transmit(bus_address, values.data(), values.size());
 }
 
 reg_t WM8731::read(const address_t reg_address) {
diff --git a/firmware/common/wm8731.hpp b/firmware/common/wm8731.hpp
index a81e819c..87790b86 100644
--- a/firmware/common/wm8731.hpp
+++ b/firmware/common/wm8731.hpp
@@ -290,7 +290,7 @@ public:
 
 	void init();
 
-	void reset();
+	bool reset();
 
 	void set_line_in_volume(const volume_t volume) {
 		const auto normalized = line_in_gain_range.normalize(volume);
@@ -338,9 +338,9 @@ private:
 	const I2C::address_t bus_address;
 	RegisterMap map { default_after_reset };
 
-	void write(const Register reg);
+	bool write(const Register reg);
 	
-	void write(const address_t reg_address, const reg_t value);
+	bool write(const address_t reg_address, const reg_t value);
 
 	void write(const LeftLineIn value);
 	void write(const RightLineIn value);