19 files changed, 186 insertions, 186 deletions

diff --git a/builddefs/common_features.mk b/builddefs/common_features.mk
index dd7e93d780..372c906d1c 100644
--- a/builddefs/common_features.mk
+++ b/builddefs/common_features.mk
@@ -352,8 +352,8 @@ ifeq ($(strip $(RGBLIGHT_ENABLE)), yes)
 endif
 
 LED_MATRIX_ENABLE ?= no
-VALID_LED_MATRIX_TYPES := IS31FL3731 IS31FL3742A IS31FL3743A IS31FL3745 IS31FL3746A CKLED2001 custom
-# TODO: IS31FL3733 IS31FL3737 IS31FL3741
+VALID_LED_MATRIX_TYPES := is31fl3731 is31fl3742a is31fl3743a is31fl3745 is31fl3746a ckled2001 custom
+# TODO: is31fl3733 is31fl3737 is31fl3741
 
 ifeq ($(strip $(LED_MATRIX_ENABLE)), yes)
     ifeq ($(filter $(LED_MATRIX_DRIVER),$(VALID_LED_MATRIX_TYPES)),)
@@ -373,42 +373,42 @@ endif
     SRC += $(LIB_PATH)/lib8tion/lib8tion.c
     CIE1931_CURVE := yes
 
-    ifeq ($(strip $(LED_MATRIX_DRIVER)), IS31FL3731)
+    ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3731)
         OPT_DEFS += -DIS31FL3731 -DSTM32_I2C -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
         SRC += is31fl3731-simple.c
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(LED_MATRIX_DRIVER)), IS31FL3742A)
+	ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3742a)
         OPT_DEFS += -DIS31FLCOMMON -DIS31FL3742A -DSTM32_I2C -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
         SRC += is31flcommon.c
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(LED_MATRIX_DRIVER)), IS31FL3743A)
+	ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3743a)
         OPT_DEFS += -DIS31FLCOMMON -DIS31FL3743A -DSTM32_I2C -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
         SRC += is31flcommon.c
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(LED_MATRIX_DRIVER)), IS31FL3745)
+	ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3745)
         OPT_DEFS += -DIS31FLCOMMON -DIS31FL3745 -DSTM32_I2C -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
         SRC += is31flcommon.c
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(LED_MATRIX_DRIVER)), IS31FL3746A)
+	ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3746a)
         OPT_DEFS += -DIS31FLCOMMON -DIS31FL3746A -DSTM32_I2C -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led/issi
         SRC += is31flcommon.c
         QUANTUM_LIB_SRC += i2c_master.c
     endif
 
-	ifeq ($(strip $(LED_MATRIX_DRIVER)), CKLED2001)
+	ifeq ($(strip $(LED_MATRIX_DRIVER)), ckled2001)
         OPT_DEFS += -DCKLED2001 -DSTM32_I2C -DHAL_USE_I2C=TRUE
         COMMON_VPATH += $(DRIVER_PATH)/led
         SRC += ckled2001-simple.c
diff --git a/docs/feature_led_matrix.md b/docs/feature_led_matrix.md
index bcb03d3e45..dcb87f954c 100644
--- a/docs/feature_led_matrix.md
+++ b/docs/feature_led_matrix.md
@@ -12,7 +12,7 @@ There is basic support for addressable LED matrix lighting with the I2C IS31FL37
 
 ```make
 LED_MATRIX_ENABLE = yes
-LED_MATRIX_DRIVER = IS31FL3731
+LED_MATRIX_DRIVER = is31fl3731
 ```
 
 You can use between 1 and 4 IS31FL3731 IC's. Do not specify `LED_DRIVER_ADDR_<N>` defines for IC's that are not present on your keyboard. You can define the following items in `config.h`:
diff --git a/drivers/led/ckled2001-simple.c b/drivers/led/ckled2001-simple.c
index ee192af7dc..c4d4c0a4cc 100644
--- a/drivers/led/ckled2001-simple.c
+++ b/drivers/led/ckled2001-simple.c
@@ -42,7 +42,7 @@ uint8_t g_twi_transfer_buffer[20];
 // The control buffers match the PG0 LED On/Off registers.
 // Storing them like this is optimal for I2C transfers to the registers.
 // We could optimize this and take out the unused registers from these
-// buffers and the transfers in CKLED2001_write_pwm_buffer() but it's
+// buffers and the transfers in ckled2001_write_pwm_buffer() but it's
 // probably not worth the extra complexity.
 uint8_t g_pwm_buffer[DRIVER_COUNT][192];
 bool    g_pwm_buffer_update_required[DRIVER_COUNT] = {false};
@@ -50,7 +50,7 @@ bool    g_pwm_buffer_update_required[DRIVER_COUNT] = {false};
 uint8_t g_led_control_registers[DRIVER_COUNT][24]             = {0};
 bool    g_led_control_registers_update_required[DRIVER_COUNT] = {false};
 
-bool CKLED2001_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
+bool ckled2001_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
     // If the transaction fails function returns false.
     g_twi_transfer_buffer[0] = reg;
     g_twi_transfer_buffer[1] = data;
@@ -69,7 +69,7 @@ bool CKLED2001_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
     return true;
 }
 
-bool CKLED2001_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
+bool ckled2001_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
     // Assumes PG1 is already selected.
     // If any of the transactions fails function returns false.
     // Transmit PWM registers in 12 transfers of 16 bytes.
@@ -100,53 +100,53 @@ bool CKLED2001_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
     return true;
 }
 
-void CKLED2001_init(uint8_t addr) {
+void ckled2001_init(uint8_t addr) {
     // Select to function page
-    CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE);
+    ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE);
     // Setting LED driver to shutdown mode
-    CKLED2001_write_register(addr, CONFIGURATION_REG, MSKSW_SHUT_DOWN_MODE);
+    ckled2001_write_register(addr, CONFIGURATION_REG, MSKSW_SHUT_DOWN_MODE);
     // Setting internal channel pulldown/pullup
-    CKLED2001_write_register(addr, PDU_REG, MSKSET_CA_CB_CHANNEL);
+    ckled2001_write_register(addr, PDU_REG, MSKSET_CA_CB_CHANNEL);
     // Select number of scan phase
-    CKLED2001_write_register(addr, SCAN_PHASE_REG, PHASE_CHANNEL);
+    ckled2001_write_register(addr, SCAN_PHASE_REG, PHASE_CHANNEL);
     // Setting PWM Delay Phase
-    CKLED2001_write_register(addr, SLEW_RATE_CONTROL_MODE1_REG, MSKPWM_DELAY_PHASE_ENABLE);
+    ckled2001_write_register(addr, SLEW_RATE_CONTROL_MODE1_REG, MSKPWM_DELAY_PHASE_ENABLE);
     // Setting Driving/Sinking Channel Slew Rate
-    CKLED2001_write_register(addr, SLEW_RATE_CONTROL_MODE2_REG, MSKDRIVING_SINKING_CHHANNEL_SLEWRATE_ENABLE);
+    ckled2001_write_register(addr, SLEW_RATE_CONTROL_MODE2_REG, MSKDRIVING_SINKING_CHHANNEL_SLEWRATE_ENABLE);
     // Setting Iref
-    CKLED2001_write_register(addr, SOFTWARE_SLEEP_REG, MSKSLEEP_DISABLE);
+    ckled2001_write_register(addr, SOFTWARE_SLEEP_REG, MSKSLEEP_DISABLE);
     // Set LED CONTROL PAGE (Page 0)
-    CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE);
+    ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE);
     for (int i = 0; i < LED_CONTROL_ON_OFF_LENGTH; i++) {
-        CKLED2001_write_register(addr, i, 0x00);
+        ckled2001_write_register(addr, i, 0x00);
     }
 
     // Set PWM PAGE (Page 1)
-    CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_PWM_PAGE);
+    ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_PWM_PAGE);
     for (int i = 0; i < LED_CURRENT_TUNE_LENGTH; i++) {
-        CKLED2001_write_register(addr, i, 0x00);
+        ckled2001_write_register(addr, i, 0x00);
     }
 
     // Set CURRENT PAGE (Page 4)
     uint8_t current_tuen_reg_list[LED_CURRENT_TUNE_LENGTH] = CKLED2001_CURRENT_TUNE;
-    CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, CURRENT_TUNE_PAGE);
+    ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, CURRENT_TUNE_PAGE);
     for (int i = 0; i < LED_CURRENT_TUNE_LENGTH; i++) {
-        CKLED2001_write_register(addr, i, current_tuen_reg_list[i]);
+        ckled2001_write_register(addr, i, current_tuen_reg_list[i]);
     }
 
     // Enable LEDs ON/OFF
-    CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE);
+    ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE);
     for (int i = 0; i < LED_CONTROL_ON_OFF_LENGTH; i++) {
-        CKLED2001_write_register(addr, i, 0xFF);
+        ckled2001_write_register(addr, i, 0xFF);
     }
 
     // Select to function page
-    CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE);
+    ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE);
     // Setting LED driver to normal mode
-    CKLED2001_write_register(addr, CONFIGURATION_REG, MSKSW_NORMAL_MODE);
+    ckled2001_write_register(addr, CONFIGURATION_REG, MSKSW_NORMAL_MODE);
 }
 
-void CKLED2001_set_value(int index, uint8_t value) {
+void ckled2001_set_value(int index, uint8_t value) {
     ckled2001_led led;
     if (index >= 0 && index < LED_MATRIX_LED_COUNT) {
         memcpy_P(&led, (&g_ckled2001_leds[index]), sizeof(led));
@@ -159,13 +159,13 @@ void CKLED2001_set_value(int index, uint8_t value) {
     }
 }
 
-void CKLED2001_set_value_all(uint8_t value) {
+void ckled2001_set_value_all(uint8_t value) {
     for (int i = 0; i < LED_MATRIX_LED_COUNT; i++) {
-        CKLED2001_set_value(i, value);
+        ckled2001_set_value(i, value);
     }
 }
 
-void CKLED2001_set_led_control_register(uint8_t index, bool value) {
+void ckled2001_set_led_control_register(uint8_t index, bool value) {
     ckled2001_led led;
     memcpy_P(&led, (&g_ckled2001_leds[index]), sizeof(led));
 
@@ -181,41 +181,41 @@ void CKLED2001_set_led_control_register(uint8_t index, bool value) {
     g_led_control_registers_update_required[led.driver] = true;
 }
 
-void CKLED2001_update_pwm_buffers(uint8_t addr, uint8_t index) {
+void ckled2001_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
-        CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_PWM_PAGE);
+        ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_PWM_PAGE);
 
         // If any of the transactions fail we risk writing dirty PG0,
         // refresh page 0 just in case.
-        if (!CKLED2001_write_pwm_buffer(addr, g_pwm_buffer[index])) {
+        if (!ckled2001_write_pwm_buffer(addr, g_pwm_buffer[index])) {
             g_led_control_registers_update_required[index] = true;
         }
     }
     g_pwm_buffer_update_required[index] = false;
 }
 
-void CKLED2001_update_led_control_registers(uint8_t addr, uint8_t index) {
+void ckled2001_update_led_control_registers(uint8_t addr, uint8_t index) {
     if (g_led_control_registers_update_required[index]) {
-        CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE);
+        ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, LED_CONTROL_PAGE);
         for (int i = 0; i < 24; i++) {
-            CKLED2001_write_register(addr, i, g_led_control_registers[index][i]);
+            ckled2001_write_register(addr, i, g_led_control_registers[index][i]);
         }
     }
     g_led_control_registers_update_required[index] = false;
 }
 
-void CKLED2001_sw_return_normal(uint8_t addr) {
+void ckled2001_sw_return_normal(uint8_t addr) {
     // Select to function page
-    CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE);
+    ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE);
     // Setting LED driver to normal mode
-    CKLED2001_write_register(addr, CONFIGURATION_REG, MSKSW_NORMAL_MODE);
+    ckled2001_write_register(addr, CONFIGURATION_REG, MSKSW_NORMAL_MODE);
 }
 
-void CKLED2001_sw_shutdown(uint8_t addr) {
+void ckled2001_sw_shutdown(uint8_t addr) {
     // Select to function page
-    CKLED2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE);
+    ckled2001_write_register(addr, CONFIGURE_CMD_PAGE, FUNCTION_PAGE);
     // Setting LED driver to shutdown mode
-    CKLED2001_write_register(addr, CONFIGURATION_REG, MSKSW_SHUT_DOWN_MODE);
+    ckled2001_write_register(addr, CONFIGURATION_REG, MSKSW_SHUT_DOWN_MODE);
     // Write SW Sleep Register
-    CKLED2001_write_register(addr, SOFTWARE_SLEEP_REG, MSKSLEEP_ENABLE);
+    ckled2001_write_register(addr, SOFTWARE_SLEEP_REG, MSKSLEEP_ENABLE);
 }
diff --git a/drivers/led/ckled2001-simple.h b/drivers/led/ckled2001-simple.h
index a56cad3461..c94df62dd2 100644
--- a/drivers/led/ckled2001-simple.h
+++ b/drivers/led/ckled2001-simple.h
@@ -27,24 +27,24 @@ typedef struct ckled2001_led {
 
 extern const ckled2001_led PROGMEM g_ckled2001_leds[LED_MATRIX_LED_COUNT];
 
-void CKLED2001_init(uint8_t addr);
-bool CKLED2001_write_register(uint8_t addr, uint8_t reg, uint8_t data);
-bool CKLED2001_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
+void ckled2001_init(uint8_t addr);
+bool ckled2001_write_register(uint8_t addr, uint8_t reg, uint8_t data);
+bool ckled2001_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
 
-void CKLED2001_set_value(int index, uint8_t value);
-void CKLED2001_set_value_all(uint8_t value);
+void ckled2001_set_value(int index, uint8_t value);
+void ckled2001_set_value_all(uint8_t value);
 
-void CKLED2001_set_led_control_register(uint8_t index, bool value);
+void ckled2001_set_led_control_register(uint8_t index, bool value);
 
 // This should not be called from an interrupt
 // (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 CKLED2001_update_pwm_buffers(uint8_t addr, uint8_t index);
-void CKLED2001_update_led_control_registers(uint8_t addr, uint8_t index);
+void ckled2001_update_pwm_buffers(uint8_t addr, uint8_t index);
+void ckled2001_update_led_control_registers(uint8_t addr, uint8_t index);
 
-void CKLED2001_sw_return_normal(uint8_t addr);
-void CKLED2001_sw_shutdown(uint8_t addr);
+void ckled2001_sw_return_normal(uint8_t addr);
+void ckled2001_sw_shutdown(uint8_t addr);
 
 // Registers Page Define
 #define CONFIGURE_CMD_PAGE 0xFD
diff --git a/drivers/led/issi/is31fl3731-simple.c b/drivers/led/issi/is31fl3731-simple.c
index da4f17b73d..f7f6980a3b 100644
--- a/drivers/led/issi/is31fl3731-simple.c
+++ b/drivers/led/issi/is31fl3731-simple.c
@@ -64,7 +64,7 @@ uint8_t g_twi_transfer_buffer[20];
 // These buffers match the IS31FL3731 PWM registers 0x24-0xB3.
 // Storing them like this is optimal for I2C transfers to the registers.
 // We could optimize this and take out the unused registers from these
-// buffers and the transfers in IS31FL3731_write_pwm_buffer() but it's
+// buffers and the transfers in is31fl3731_write_pwm_buffer() but it's
 // probably not worth the extra complexity.
 uint8_t g_pwm_buffer[LED_DRIVER_COUNT][144];
 bool    g_pwm_buffer_update_required[LED_DRIVER_COUNT] = {false};
@@ -95,7 +95,7 @@ bool g_led_control_registers_update_required[LED_DRIVER_COUNT] = {false};
 // 0x0E - R17,G15,G14,G13,G12,G11,G10,G09
 // 0x10 - R16,R15,R14,R13,R12,R11,R10,R09
 
-void IS31FL3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
+void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
     g_twi_transfer_buffer[0] = reg;
     g_twi_transfer_buffer[1] = data;
 
@@ -110,7 +110,7 @@ void IS31FL3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
 #endif
 }
 
-void IS31FL3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
+void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
     // assumes bank is already selected
 
     // transmit PWM registers in 9 transfers of 16 bytes
@@ -135,62 +135,62 @@ void IS31FL3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
     }
 }
 
-void IS31FL3731_init(uint8_t addr) {
+void is31fl3731_init(uint8_t addr) {
     // In order to avoid the LEDs being driven with garbage data
     // in the LED driver's PWM registers, first enable software shutdown,
     // then set up the mode and other settings, clear the PWM registers,
     // then disable software shutdown.
 
     // select "function register" bank
-    IS31FL3731_write_register(addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG);
+    is31fl3731_write_register(addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG);
 
     // enable software shutdown
-    IS31FL3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x00);
+    is31fl3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x00);
 #ifdef ISSI_3731_DEGHOST // set to enable de-ghosting of the array
-    IS31FL3731_write_register(addr, ISSI_REG_GHOST_IMAGE_PREVENTION, 0x10);
+    is31fl3731_write_register(addr, ISSI_REG_GHOST_IMAGE_PREVENTION, 0x10);
 #endif
 
     // this delay was copied from other drivers, might not be needed
     wait_ms(10);
 
     // picture mode
-    IS31FL3731_write_register(addr, ISSI_REG_CONFIG, ISSI_REG_CONFIG_PICTUREMODE);
+    is31fl3731_write_register(addr, ISSI_REG_CONFIG, ISSI_REG_CONFIG_PICTUREMODE);
     // display frame 0
-    IS31FL3731_write_register(addr, ISSI_REG_PICTUREFRAME, 0x00);
+    is31fl3731_write_register(addr, ISSI_REG_PICTUREFRAME, 0x00);
     // audio sync off
-    IS31FL3731_write_register(addr, ISSI_REG_AUDIOSYNC, 0x00);
+    is31fl3731_write_register(addr, ISSI_REG_AUDIOSYNC, 0x00);
 
     // select bank 0
-    IS31FL3731_write_register(addr, ISSI_COMMANDREGISTER, 0);
+    is31fl3731_write_register(addr, ISSI_COMMANDREGISTER, 0);
 
     // turn off all LEDs in the LED control register
     for (int i = 0x00; i <= 0x11; i++) {
-        IS31FL3731_write_register(addr, i, 0x00);
+        is31fl3731_write_register(addr, i, 0x00);
     }
 
     // turn off all LEDs in the blink control register (not really needed)
     for (int i = 0x12; i <= 0x23; i++) {
-        IS31FL3731_write_register(addr, i, 0x00);
+        is31fl3731_write_register(addr, i, 0x00);
     }
 
     // set PWM on all LEDs to 0
     for (int i = 0x24; i <= 0xB3; i++) {
-        IS31FL3731_write_register(addr, i, 0x00);
+        is31fl3731_write_register(addr, i, 0x00);
     }
 
     // select "function register" bank
-    IS31FL3731_write_register(addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG);
+    is31fl3731_write_register(addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG);
 
     // disable software shutdown
-    IS31FL3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x01);
+    is31fl3731_write_register(addr, ISSI_REG_SHUTDOWN, 0x01);
 
     // select bank 0 and leave it selected.
     // most usage after initialization is just writing PWM buffers in bank 0
     // as there's not much point in double-buffering
-    IS31FL3731_write_register(addr, ISSI_COMMANDREGISTER, 0);
+    is31fl3731_write_register(addr, ISSI_COMMANDREGISTER, 0);
 }
 
-void IS31FL3731_set_value(int index, uint8_t value) {
+void is31fl3731_set_value(int index, uint8_t value) {
     is31_led led;
     if (index >= 0 && index < LED_MATRIX_LED_COUNT) {
         memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
@@ -205,13 +205,13 @@ void IS31FL3731_set_value(int index, uint8_t value) {
     }
 }
 
-void IS31FL3731_set_value_all(uint8_t value) {
+void is31fl3731_set_value_all(uint8_t value) {
     for (int i = 0; i < LED_MATRIX_LED_COUNT; i++) {
-        IS31FL3731_set_value(i, value);
+        is31fl3731_set_value(i, value);
     }
 }
 
-void IS31FL3731_set_led_control_register(uint8_t index, bool value) {
+void is31fl3731_set_led_control_register(uint8_t index, bool value) {
     is31_led led;
     memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
 
@@ -227,17 +227,17 @@ void IS31FL3731_set_led_control_register(uint8_t index, bool value) {
     g_led_control_registers_update_required[led.driver] = true;
 }
 
-void IS31FL3731_update_pwm_buffers(uint8_t addr, uint8_t index) {
+void is31fl3731_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
-        IS31FL3731_write_pwm_buffer(addr, g_pwm_buffer[index]);
+        is31fl3731_write_pwm_buffer(addr, g_pwm_buffer[index]);
         g_pwm_buffer_update_required[index] = false;
     }
 }
 
-void IS31FL3731_update_led_control_registers(uint8_t addr, uint8_t index) {
+void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index) {
     if (g_led_control_registers_update_required[index]) {
         for (int i = 0; i < 18; i++) {
-            IS31FL3731_write_register(addr, i, g_led_control_registers[index][i]);
+            is31fl3731_write_register(addr, i, g_led_control_registers[index][i]);
         }
         g_led_control_registers_update_required[index] = false;
     }
diff --git a/drivers/led/issi/is31fl3731-simple.h b/drivers/led/issi/is31fl3731-simple.h
index 7834766b94..69fba14a0b 100644
--- a/drivers/led/issi/is31fl3731-simple.h
+++ b/drivers/led/issi/is31fl3731-simple.h
@@ -30,21 +30,21 @@ typedef struct is31_led {
 
 extern const is31_led PROGMEM g_is31_leds[LED_MATRIX_LED_COUNT];
 
-void IS31FL3731_init(uint8_t addr);
-void IS31FL3731_write_register(uint8_t addr, uint8_t reg, uint8_t data);
-void IS31FL3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
+void is31fl3731_init(uint8_t addr);
+void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data);
+void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
 
-void IS31FL3731_set_value(int index, uint8_t value);
-void IS31FL3731_set_value_all(uint8_t value);
+void is31fl3731_set_value(int index, uint8_t value);
+void is31fl3731_set_value_all(uint8_t value);
 
-void IS31FL3731_set_led_control_register(uint8_t index, bool value);
+void is31fl3731_set_led_control_register(uint8_t index, bool value);
 
 // This should not be called from an interrupt
 // (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 IS31FL3731_update_pwm_buffers(uint8_t addr, uint8_t index);
-void IS31FL3731_update_led_control_registers(uint8_t addr, uint8_t index);
+void is31fl3731_update_pwm_buffers(uint8_t addr, uint8_t index);
+void is31fl3731_update_led_control_registers(uint8_t addr, uint8_t index);
 
 #define C1_1 0x24
 #define C1_2 0x25
diff --git a/drivers/led/issi/is31fl3733-simple.c b/drivers/led/issi/is31fl3733-simple.c
index d90fd8587f..f9a0a271a8 100644
--- a/drivers/led/issi/is31fl3733-simple.c
+++ b/drivers/led/issi/is31fl3733-simple.c
@@ -81,7 +81,7 @@ uint8_t g_twi_transfer_buffer[20];
 // The control buffers match the PG0 LED On/Off registers.
 // Storing them like this is optimal for I2C transfers to the registers.
 // We could optimize this and take out the unused registers from these
-// buffers and the transfers in IS31FL3733_write_pwm_buffer() but it's
+// buffers and the transfers in is31fl3733_write_pwm_buffer() but it's
 // probably not worth the extra complexity.
 uint8_t g_pwm_buffer[LED_DRIVER_COUNT][192];
 bool    g_pwm_buffer_update_required[LED_DRIVER_COUNT] = {false};
@@ -98,7 +98,7 @@ uint8_t g_led_control_registers[LED_DRIVER_COUNT][24] = {{0}, {0}, {0}, {0}};
 #endif
 bool g_led_control_registers_update_required[LED_DRIVER_COUNT] = {false};
 
-bool IS31FL3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
+bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
     // If the transaction fails function returns false.
     g_twi_transfer_buffer[0] = reg;
     g_twi_transfer_buffer[1] = data;
@@ -117,7 +117,7 @@ bool IS31FL3733_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
     return true;
 }
 
-bool IS31FL3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
+bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
     // Assumes PG1 is already selected.
     // If any of the transactions fails function returns false.
     // Transmit PWM registers in 12 transfers of 16 bytes.
@@ -146,7 +146,7 @@ bool IS31FL3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
     return true;
 }
 
-void IS31FL3733_init(uint8_t addr, uint8_t sync) {
+void is31fl3733_init(uint8_t addr, uint8_t sync) {
     // In order to avoid the LEDs being driven with garbage data
     // in the LED driver's PWM registers, shutdown is enabled last.
     // Set up the mode and other settings, clear the PWM registers,
@@ -154,45 +154,45 @@ void IS31FL3733_init(uint8_t addr, uint8_t sync) {
     // Sync is passed so set it according to the datasheet.
 
     // Unlock the command register.
-    IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
 
     // Select PG0
-    IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL);
+    is31fl3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL);
     // Turn off all LEDs.
     for (int i = 0x00; i <= 0x17; i++) {
-        IS31FL3733_write_register(addr, i, 0x00);
+        is31fl3733_write_register(addr, i, 0x00);
     }
 
     // Unlock the command register.
-    IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
 
     // Select PG1
-    IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM);
+    is31fl3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM);
     // Set PWM on all LEDs to 0
     // No need to setup Breath registers to PWM as that is the default.
     for (int i = 0x00; i <= 0xBF; i++) {
-        IS31FL3733_write_register(addr, i, 0x00);
+        is31fl3733_write_register(addr, i, 0x00);
     }
 
     // Unlock the command register.
-    IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+    is31fl3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
 
     // Select PG3
-    IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
+    is31fl3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_FUNCTION);
     // Set de-ghost pull-up resistors (SWx)
-    IS31FL3733_write_register(addr, ISSI_REG_SWPULLUP, ISSI_SWPULLUP);
+    is31fl3733_write_register(addr, ISSI_REG_SWPULLUP, ISSI_SWPULLUP);
     // Set de-ghost pull-down resistors (CSx)
-    IS31FL3733_write_register(addr, ISSI_REG_CSPULLUP, ISSI_CSPULLUP);
+    is31fl3733_write_register(addr, ISSI_REG_CSPULLUP, ISSI_CSPULLUP);
     // Set global current to maximum.
-    IS31FL3733_write_register(addr, ISSI_REG_GLOBALCURRENT, ISSI_GLOBALCURRENT);
+    is31fl3733_write_register(addr, ISSI_REG_GLOBALCURRENT, ISSI_GLOBALCURRENT);
     // Disable software shutdown.
-    IS31FL3733_write_register(addr, ISSI_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((ISSI_PWM_FREQUENCY & 0b111) << 3) | 0x01);
+    is31fl3733_write_register(addr, ISSI_REG_CONFIGURATION, ((sync & 0b11) << 6) | ((ISSI_PWM_FREQUENCY & 0b111) << 3) | 0x01);
 
     // Wait 10ms to ensure the device has woken up.
     wait_ms(10);
 }
 
-void IS31FL3733_set_value(int index, uint8_t value) {
+void is31fl3733_set_value(int index, uint8_t value) {
     is31_led led;
     if (index >= 0 && index < LED_MATRIX_LED_COUNT) {
         memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
@@ -205,13 +205,13 @@ void IS31FL3733_set_value(int index, uint8_t value) {
     }
 }
 
-void IS31FL3733_set_value_all(uint8_t value) {
+void is31fl3733_set_value_all(uint8_t value) {
     for (int i = 0; i < LED_MATRIX_LED_COUNT; i++) {
-        IS31FL3733_set_value(i, value);
+        is31fl3733_set_value(i, value);
     }
 }
 
-void IS31FL3733_set_led_control_register(uint8_t index, bool value) {
+void is31fl3733_set_led_control_register(uint8_t index, bool value) {
     is31_led led;
     memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
 
@@ -227,28 +227,28 @@ void IS31FL3733_set_led_control_register(uint8_t index, bool value) {
     g_led_control_registers_update_required[led.driver] = true;
 }
 
-void IS31FL3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
+void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         // Firstly we need to unlock the command register and select PG1.
-        IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
-        IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM);
+        is31fl3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+        is31fl3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_PWM);
 
         // If any of the transactions fail we risk writing dirty PG0,
         // refresh page 0 just in case.
-        if (!IS31FL3733_write_pwm_buffer(addr, g_pwm_buffer[index])) {
+        if (!is31fl3733_write_pwm_buffer(addr, g_pwm_buffer[index])) {
             g_led_control_registers_update_required[index] = true;
         }
         g_pwm_buffer_update_required[index] = false;
     }
 }
 
-void IS31FL3733_update_led_control_registers(uint8_t addr, uint8_t index) {
+void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
     if (g_led_control_registers_update_required[index]) {
         // Firstly we need to unlock the command register and select PG0
-        IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
-        IS31FL3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL);
+        is31fl3733_write_register(addr, ISSI_COMMANDREGISTER_WRITELOCK, 0xC5);
+        is31fl3733_write_register(addr, ISSI_COMMANDREGISTER, ISSI_PAGE_LEDCONTROL);
         for (int i = 0; i < 24; i++) {
-            IS31FL3733_write_register(addr, i, g_led_control_registers[index][i]);
+            is31fl3733_write_register(addr, i, g_led_control_registers[index][i]);
         }
         g_led_control_registers_update_required[index] = false;
     }
diff --git a/drivers/led/issi/is31fl3733-simple.h b/drivers/led/issi/is31fl3733-simple.h
index bd61082f42..1458f7ac8d 100644
--- a/drivers/led/issi/is31fl3733-simple.h
+++ b/drivers/led/issi/is31fl3733-simple.h
@@ -32,21 +32,21 @@ typedef struct is31_led {
 
 extern const is31_led PROGMEM g_is31_leds[LED_MATRIX_LED_COUNT];
 
-void IS31FL3733_init(uint8_t addr, uint8_t sync);
-bool IS31FL3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
-bool IS31FL3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
+void is31fl3733_init(uint8_t addr, uint8_t sync);
+bool is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
+bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
 
-void IS31FL3733_set_value(int index, uint8_t value);
-void IS31FL3733_set_value_all(uint8_t value);
+void is31fl3733_set_value(int index, uint8_t value);
+void is31fl3733_set_value_all(uint8_t value);
 
-void IS31FL3733_set_led_control_register(uint8_t index, bool value);
+void is31fl3733_set_led_control_register(uint8_t index, bool value);
 
 // This should not be called from an interrupt
 // (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 addr, uint8_t index);
-void IS31FL3733_update_led_control_registers(uint8_t addr, uint8_t index);
+void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index);
+void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index);
 
 #define PUR_0R 0x00   // No PUR resistor
 #define PUR_05KR 0x02 // 0.5k Ohm resistor in t_NOL
diff --git a/keyboards/clueboard/66_hotswap/gen1/info.json b/keyboards/clueboard/66_hotswap/gen1/info.json
index 360f2e0e04..e497594685 100644
--- a/keyboards/clueboard/66_hotswap/gen1/info.json
+++ b/keyboards/clueboard/66_hotswap/gen1/info.json
@@ -17,7 +17,7 @@
     "nkro": true
   },
   "led_matrix": {
-    "driver": "IS31FL3731"
+    "driver": "is31fl3731"
   },
   "matrix_pins": {
     "cols": ["B10", "B2", "B1", "B0", "A7", "B4", "B3", "B7"],
diff --git a/keyboards/fallacy/indicators.c b/keyboards/fallacy/indicators.c
index 8686f292fc..b9a4a87056 100755
--- a/keyboards/fallacy/indicators.c
+++ b/keyboards/fallacy/indicators.c
@@ -23,20 +23,20 @@
  */
 void init_fallacy_leds(void) {
     i2c_init();
-    IS31FL3731_init(LED_DRIVER_ADDR_1);
+    is31fl3731_init(LED_DRIVER_ADDR_1);
 
     for (int i = 0; i < LED_MATRIX_LED_COUNT; i++) {
-        IS31FL3731_set_led_control_register(i, true);
+        is31fl3731_set_led_control_register(i, true);
     }
 
-    IS31FL3731_update_led_control_registers(LED_DRIVER_ADDR_1, 0);
+    is31fl3731_update_led_control_registers(LED_DRIVER_ADDR_1, 0);
 }
 
 
 /* update the buffer
  */
 void update_fallacy_leds(void) {
-    IS31FL3731_update_pwm_buffers(LED_DRIVER_ADDR_1, 0);    
+    is31fl3731_update_pwm_buffers(LED_DRIVER_ADDR_1, 0);    
 }
 
 
@@ -44,10 +44,10 @@ void update_fallacy_leds(void) {
  */
 void set_fallacy_led(int index, bool state) {
     if (state) {
-        IS31FL3731_set_value(index, 128);
+        is31fl3731_set_value(index, 128);
     } 
     else {
-        IS31FL3731_set_value(index, 0);
+        is31fl3731_set_value(index, 0);
     }
 }
 
diff --git a/keyboards/input_club/ergodox_infinity/info.json b/keyboards/input_club/ergodox_infinity/info.json
index e3e0399bed..d69aeb5d0c 100644
--- a/keyboards/input_club/ergodox_infinity/info.json
+++ b/keyboards/input_club/ergodox_infinity/info.json
@@ -7,7 +7,7 @@
         "device_version": "0.0.1"
     },
     "led_matrix": {
-        "driver": "IS31FL3731"
+        "driver": "is31fl3731"
     },
     "matrix_pins": {
         "cols": ["D1", "D4", "D5", "D6", "D7"],
diff --git a/keyboards/input_club/whitefox/info.json b/keyboards/input_club/whitefox/info.json
index 02dd975752..cb578e99b4 100644
--- a/keyboards/input_club/whitefox/info.json
+++ b/keyboards/input_club/whitefox/info.json
@@ -8,7 +8,7 @@
         "device_version": "0.0.1"
     },
     "led_matrix": {
-        "driver": "IS31FL3731"
+        "driver": "is31fl3731"
     },
     "matrix_pins": {
         "cols": ["B2", "B3", "B18", "B19", "C0", "C8", "C9", "C10", "C11"],