diff --git a/firmware/common/portapack_io.hpp b/firmware/common/portapack_io.hpp
index 9ae46485..c84a3b2f 100644
--- a/firmware/common/portapack_io.hpp
+++ b/firmware/common/portapack_io.hpp
@@ -102,6 +102,17 @@ public:
 	void lcd_reset_state(const bool active);
 	void audio_reset_state(const bool active);
 
+	void lcd_data_write_command_and_data(
+		const uint_fast8_t command,
+		const uint8_t* data,
+		const size_t data_count
+	) {
+		lcd_command(command);
+		for(size_t i=0; i<data_count; i++) {
+			lcd_write_data_fast(data[i]);
+		}
+	}
+	
 	void lcd_data_write_command_and_data(
 		const uint_fast8_t command,
 		const std::initializer_list<uint8_t>& data