extern const is31_led g_is31_leds[DRIVER_LED_TOTAL];
-void IS31FL3733_init( uint8_t addr );
+void IS31FL3733_init( uint8_t addr, uint8_t sync );
void IS31FL3733_write_register( uint8_t addr, uint8_t reg, uint8_t data );
void IS31FL3733_write_pwm_buffer( uint8_t addr, uint8_t *pwm_buffer );
// (eg. from a timer interrupt).
// Call this while idle (in between matrix scans).
// If the buffer is dirty, it will update the driver with the buffer.
-void IS31FL3733_update_pwm_buffers( uint8_t addr1, uint8_t addr2 );
-void IS31FL3733_update_led_control_registers( uint8_t addr1, uint8_t addr2 );
+void IS31FL3733_update_pwm_buffers( uint8_t addr, uint8_t index );
+void IS31FL3733_update_led_control_registers( uint8_t addr, uint8_t index );
#define A_1 0x00
#define A_2 0x01