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diff --git a/keyboards/infinity60/led_controller.h b/keyboards/infinity60/led_controller.h
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+++ b/keyboards/infinity60/led_controller.h
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+/*
+Copyright 2016 flabbergast <s3+flabbergast@sdfeu.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _LED_CONTROLLER_H_
+#define _LED_CONTROLLER_H_
+
+/* =========================
+ *  communication functions
+ * ========================= */
+
+msg_t is31_write_data(uint8_t page, uint8_t *buffer, uint8_t size);
+msg_t is31_write_register(uint8_t page, uint8_t reg, uint8_t data);
+msg_t is31_read_register(uint8_t page, uint8_t reg, uint8_t *result);
+
+/* =============================
+ * IS31 chip related definitions
+ * ============================= */
+
+#define IS31_ADDR_DEFAULT 0x74
+
+#define IS31_REG_CONFIG  0x00
+// bits in reg
+#define IS31_REG_CONFIG_PICTUREMODE 0x00
+#define IS31_REG_CONFIG_AUTOPLAYMODE 0x08
+#define IS31_REG_CONFIG_AUDIOPLAYMODE 0x18
+// D2:D0 bits are starting frame for autoplay mode
+
+#define IS31_REG_PICTDISP 0x01 // D2:D0 frame select for picture mode
+
+#define IS31_REG_AUTOPLAYCTRL1 0x02
+// D6:D4 number of loops (000=infty)
+// D2:D0 number of frames to be used
+
+#define IS31_REG_AUTOPLAYCTRL2 0x03 // D5:D0 delay time (*11ms)
+
+#define IS31_REG_DISPLAYOPT 0x05
+#define IS31_REG_DISPLAYOPT_INTENSITY_SAME 0x20 // same intensity for all frames
+#define IS31_REG_DISPLAYOPT_BLINK_ENABLE 0x8
+// D2:D0 bits blink period time (*0.27s)
+
+#define IS31_REG_AUDIOSYNC 0x06
+#define IS31_REG_AUDIOSYNC_ENABLE 0x1
+
+#define IS31_REG_FRAMESTATE 0x07
+
+#define IS31_REG_BREATHCTRL1 0x08
+// D6:D4 fade out time (26ms*2^i)
+// D2:D0 fade in time (26ms*2^i)
+
+#define IS31_REG_BREATHCTRL2 0x09
+#define IS31_REG_BREATHCTRL2_ENABLE 0x10
+// D2:D0 extinguish time (3.5ms*2^i)
+
+#define IS31_REG_SHUTDOWN 0x0A
+#define IS31_REG_SHUTDOWN_ON 0x1
+
+#define IS31_REG_AGCCTRL 0x0B
+#define IS31_REG_ADCRATE 0x0C
+
+#define IS31_COMMANDREGISTER 0xFD
+#define IS31_FUNCTIONREG 0x0B    // helpfully called 'page nine'
+
+#define IS31_TIMEOUT 10000 // needs to be long enough to write a whole page
+
+/* ==============================
+ * LED Thread related definitions
+ * ============================== */
+
+extern mailbox_t led_mailbox;
+
+// constants for signaling the LED controller thread
+#define LED_MSG_CAPS_ON  1
+#define LED_MSG_CAPS_OFF 2
+#define LED_MSG_SLEEP_LED_ON 3
+#define LED_MSG_SLEEP_LED_OFF 4
+#define LED_MSG_ALL_TOGGLE 5
+#define LED_MSG_GAME_TOGGLE 6
+
+#endif /* _LED_CONTROLLER_H_ */