diff --git a/scripts/layouts.sh b/scripts/layouts.sh
index 169a58b..b702947 100755
--- a/scripts/layouts.sh
+++ b/scripts/layouts.sh
@@ -18,8 +18,8 @@ grep '^#define \(K_\|KT_FN\)' "$header" \
 | cut -d ' ' -f2 \
 | while read keycode
 do
-	name="$(echo "$keycode" | cut -d '_' -f2-)"
-	echo "printf(\"${name},0x%04X\\n\", $keycode);" >> "$source"
+    name="$(echo "$keycode" | cut -d '_' -f2-)"
+    echo "printf(\"${name},0x%04X\\n\", $keycode);" >> "$source"
 done
 echo "return 0;" >> "$source"
 echo "}" >> "$source"
@@ -29,37 +29,37 @@ gcc -I. "$source" -o "$binary"
 cd src/board
 for board in */*
 do
-	file="$board/include/board/keymap.h"
-	if [ ! -e "$file" ]
-	then
-		continue
-	fi
-	echo "# $board"
-	mkdir -p "$D/$board"
-	cp "$D/keymap.csv" "$D/$board"
-	row=0
-	rg \
-		--multiline \
-		--multiline-dotall \
-		--regexp '#define LAYOUT\(.*\) \{.*\}' \
-		"$file" \
-	| grep --only-matching '\{.*\}' \
-	| sed 's/^{ //' \
-	| sed 's/ }$//' \
-	| sed 's/, / /g' \
-	| while read line
-	do
-		col=0
-		for word in $line
-		do
-			if [ "$word" != "___" ]
-			then
-				echo "$word,$row,$col"
-			fi
-			col=$(expr $col + 1)
-		done
-		row=$(expr $row + 1)
-	done \
-	| sort -n \
-	| tee "$D/${board}/layout.csv"
+    file="$board/include/board/keymap.h"
+    if [ ! -e "$file" ]
+    then
+        continue
+    fi
+    echo "# $board"
+    mkdir -p "$D/$board"
+    cp "$D/keymap.csv" "$D/$board"
+    row=0
+    rg \
+        --multiline \
+        --multiline-dotall \
+        --regexp '#define LAYOUT\(.*\) \{.*\}' \
+        "$file" \
+    | grep --only-matching '\{.*\}' \
+    | sed 's/^{ //' \
+    | sed 's/ }$//' \
+    | sed 's/, / /g' \
+    | while read line
+    do
+        col=0
+        for word in $line
+        do
+            if [ "$word" != "___" ]
+            then
+                echo "$word,$row,$col"
+            fi
+            col=$(expr $col + 1)
+        done
+        row=$(expr $row + 1)
+    done \
+    | sort -n \
+    | tee "$D/${board}/layout.csv"
 done
diff --git a/src/arch/8051/include/arch/delay.h b/src/arch/8051/include/arch/delay.h
index 0d44408..bfd70fd 100644
--- a/src/arch/8051/include/arch/delay.h
+++ b/src/arch/8051/include/arch/delay.h
@@ -16,7 +16,7 @@ void delay_ticks(uint16_t ticks);
 // Warning: this will round to the nearest tick
 #define delay_ns(X) \
     delay_ticks((uint16_t)((((uint32_t)(X)) * 69UL + 89999UL) / 90000UL));
-    
+
 void delay_ms(int ms);
 
 #endif // _ARCH_DELAY_H
diff --git a/src/arch/avr/i2c.c b/src/arch/avr/i2c.c
index 668721c..2cb1161 100644
--- a/src/arch/avr/i2c.c
+++ b/src/arch/avr/i2c.c
@@ -11,77 +11,77 @@
 #define TIMEOUT (F_CPU/1000)
 
 int i2c_start(struct I2C * i2c, uint8_t addr, bool read) {
-	uint32_t count;
+    uint32_t count;
 
-	// reset TWI control register
-	TWCR = 0;
-	// transmit START condition
-	TWCR = BIT(TWINT) | BIT(TWSTA) | BIT(TWEN);
-	// wait for end of transmission
-	count = TIMEOUT;
-	while(!(TWCR & BIT(TWINT)) && count > 0) count -= 1;
-	if (count == 0) return -1;
+    // reset TWI control register
+    TWCR = 0;
+    // transmit START condition
+    TWCR = BIT(TWINT) | BIT(TWSTA) | BIT(TWEN);
+    // wait for end of transmission
+    count = TIMEOUT;
+    while(!(TWCR & BIT(TWINT)) && count > 0) count -= 1;
+    if (count == 0) return -1;
 
-	// check if the start condition was successfully transmitted
-	if((TWSR & 0xF8) != TW_START) return -1;
+    // check if the start condition was successfully transmitted
+    if((TWSR & 0xF8) != TW_START) return -1;
 
-	// load slave addr into data register
-	TWDR = ((addr << 1) | read);
-	// start transmission of addr
-	TWCR = BIT(TWINT) | BIT(TWEN);
-	// wait for end of transmission
-	count = TIMEOUT;
-	while(!(TWCR & BIT(TWINT)) && count > 0) count -= 1;
-	if (count == 0) return -1;
+    // load slave addr into data register
+    TWDR = ((addr << 1) | read);
+    // start transmission of addr
+    TWCR = BIT(TWINT) | BIT(TWEN);
+    // wait for end of transmission
+    count = TIMEOUT;
+    while(!(TWCR & BIT(TWINT)) && count > 0) count -= 1;
+    if (count == 0) return -1;
 
-	// check if the device has acknowledged the READ / WRITE mode
-	uint8_t twst = TW_STATUS & 0xF8;
-	if ((twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK)) return -1;
+    // check if the device has acknowledged the READ / WRITE mode
+    uint8_t twst = TW_STATUS & 0xF8;
+    if ((twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK)) return -1;
 
-	return 0;
+    return 0;
 }
 
 void i2c_stop(struct I2C * i2c) {
-	// transmit STOP condition
-	TWCR = BIT(TWINT) | BIT(TWEN) | BIT(TWSTO);
+    // transmit STOP condition
+    TWCR = BIT(TWINT) | BIT(TWEN) | BIT(TWSTO);
 }
 
 int i2c_write(struct I2C * i2c, uint8_t * data, int length) {
-	int i;
-	for (i = 0; i < length; i++) {
-		// load data into data register
-		TWDR = data[i];
-		// start transmission of data
-		TWCR = BIT(TWINT) | BIT(TWEN);
-		// wait for end of transmission
-		uint32_t count = TIMEOUT;
-		while(!(TWCR & BIT(TWINT)) && count > 0) count -= 1;
-		// timed out
-		if (count == 0) return -1;
-		// failed to receive ack
-		if((TWSR & 0xF8) != TW_MT_DATA_ACK) return -1;
-	}
+    int i;
+    for (i = 0; i < length; i++) {
+        // load data into data register
+        TWDR = data[i];
+        // start transmission of data
+        TWCR = BIT(TWINT) | BIT(TWEN);
+        // wait for end of transmission
+        uint32_t count = TIMEOUT;
+        while(!(TWCR & BIT(TWINT)) && count > 0) count -= 1;
+        // timed out
+        if (count == 0) return -1;
+        // failed to receive ack
+        if((TWSR & 0xF8) != TW_MT_DATA_ACK) return -1;
+    }
 
-	return i;
+    return i;
 }
 
 int i2c_read(struct I2C * i2c, uint8_t * data, int length) {
-	int i;
-	for (i = 0; i < length; i++) {
-	    if ((i + 1) < length) {
-	    	// start TWI module and acknowledge data after reception
-	    	TWCR = BIT(TWINT) | BIT(TWEN) | BIT(TWEA);
-	    } else {
-	        // start receiving without acknowledging reception
-	    	TWCR = BIT(TWINT) | BIT(TWEN);
-	    }
-		// wait for end of transmission
-		uint32_t count = TIMEOUT;
-		while(!(TWCR & BIT(TWINT)) && count > 0) count -= 1;
-		if (count == 0) return -1;
-		// return received data from TWDR
-		data[i] = TWDR;
-	}
+    int i;
+    for (i = 0; i < length; i++) {
+        if ((i + 1) < length) {
+            // start TWI module and acknowledge data after reception
+            TWCR = BIT(TWINT) | BIT(TWEN) | BIT(TWEA);
+        } else {
+            // start receiving without acknowledging reception
+            TWCR = BIT(TWINT) | BIT(TWEN);
+        }
+        // wait for end of transmission
+        uint32_t count = TIMEOUT;
+        while(!(TWCR & BIT(TWINT)) && count > 0) count -= 1;
+        if (count == 0) return -1;
+        // return received data from TWDR
+        data[i] = TWDR;
+    }
 
-	return i;
+    return i;
 }
diff --git a/src/arch/avr/i2c_slave.c b/src/arch/avr/i2c_slave.c
index 35a3d3d..d9c769a 100644
--- a/src/arch/avr/i2c_slave.c
+++ b/src/arch/avr/i2c_slave.c
@@ -16,75 +16,75 @@ static void (* volatile i2c_slave_recv_cb)(uint8_t) = NULL;
 static uint8_t (* volatile i2c_slave_send_cb)() = NULL;
 
 void i2c_slave_init(uint8_t address, void (*new_cb)(), void (*recv_cb)(uint8_t), uint8_t (*send_cb)()){
-	// ensure correct behavior by stopping before changing callbacks or address
-	i2c_slave_stop();
+    // ensure correct behavior by stopping before changing callbacks or address
+    i2c_slave_stop();
 
-	// clear interrupts
-	cli();
+    // clear interrupts
+    cli();
 
-	// setup callbacks
-	i2c_slave_new_cb = new_cb;
-	i2c_slave_recv_cb = recv_cb;
-	i2c_slave_send_cb = send_cb;
-	// load address into TWI address register
-	TWAR = (address << 1);
-	// set the TWCR to enable address matching and enable TWI, clear TWINT, enable TWI interrupt
-	TWCR = BIT(TWIE) | BIT(TWEA) | BIT(TWINT) | BIT(TWEN);
+    // setup callbacks
+    i2c_slave_new_cb = new_cb;
+    i2c_slave_recv_cb = recv_cb;
+    i2c_slave_send_cb = send_cb;
+    // load address into TWI address register
+    TWAR = (address << 1);
+    // set the TWCR to enable address matching and enable TWI, clear TWINT, enable TWI interrupt
+    TWCR = BIT(TWIE) | BIT(TWEA) | BIT(TWINT) | BIT(TWEN);
 
-	// set interrupts
-	sei();
+    // set interrupts
+    sei();
 }
 
 void i2c_slave_stop(){
-	// clear interrupts
-	cli();
+    // clear interrupts
+    cli();
 
-	// clear acknowledge and enable bits
-	TWCR &= ~(BIT(TWEA) | BIT(TWEN));
-	// clear address
-	TWAR = 0;
-	// remove callbacks
-	i2c_slave_new_cb = NULL;
-	i2c_slave_recv_cb = NULL;
-	i2c_slave_send_cb = NULL;
+    // clear acknowledge and enable bits
+    TWCR &= ~(BIT(TWEA) | BIT(TWEN));
+    // clear address
+    TWAR = 0;
+    // remove callbacks
+    i2c_slave_new_cb = NULL;
+    i2c_slave_recv_cb = NULL;
+    i2c_slave_send_cb = NULL;
 
-	// set interrupts
-	sei();
+    // set interrupts
+    sei();
 }
 
 ISR(TWI_vect) {
-	uint8_t status = TW_STATUS;
-	switch(status) {
-	case TW_SR_SLA_ACK:
-		// master has started a new transaction, call the new callback
-		if (i2c_slave_new_cb != NULL) {
-			i2c_slave_new_cb();
-		}
-		TWCR = BIT(TWIE) | BIT(TWINT) | BIT(TWEA) | BIT(TWEN);
-		break;
-	case TW_SR_DATA_ACK:
-		// received data from master, call the receive callback
-		if(i2c_slave_send_cb != NULL){
-			i2c_slave_recv_cb(TWDR);
-		}
-		TWCR = BIT(TWIE) | BIT(TWINT) | BIT(TWEA) | BIT(TWEN);
-		break;
-	case TW_ST_SLA_ACK:
-	case TW_ST_DATA_ACK:
-		// master is requesting data, call the send callback
-		if(i2c_slave_recv_cb != NULL) {
-			TWDR = i2c_slave_send_cb();
-		}
-		TWCR = BIT(TWIE) | BIT(TWINT) | BIT(TWEA) | BIT(TWEN);
-		break;
-	case TW_BUS_ERROR:
-		// some sort of erroneous state, prepare TWI to be readdressed
-		printf("TWI_vect bus error\n");
-		TWCR = 0;
-		TWCR = BIT(TWIE) | BIT(TWINT) | BIT(TWEA) | BIT(TWEN);
-		break;
-	default:
-		TWCR = BIT(TWIE) | BIT(TWINT) | BIT(TWEA) | BIT(TWEN);
-		break;
-	}
+    uint8_t status = TW_STATUS;
+    switch(status) {
+    case TW_SR_SLA_ACK:
+        // master has started a new transaction, call the new callback
+        if (i2c_slave_new_cb != NULL) {
+            i2c_slave_new_cb();
+        }
+        TWCR = BIT(TWIE) | BIT(TWINT) | BIT(TWEA) | BIT(TWEN);
+        break;
+    case TW_SR_DATA_ACK:
+        // received data from master, call the receive callback
+        if(i2c_slave_send_cb != NULL){
+            i2c_slave_recv_cb(TWDR);
+        }
+        TWCR = BIT(TWIE) | BIT(TWINT) | BIT(TWEA) | BIT(TWEN);
+        break;
+    case TW_ST_SLA_ACK:
+    case TW_ST_DATA_ACK:
+        // master is requesting data, call the send callback
+        if(i2c_slave_recv_cb != NULL) {
+            TWDR = i2c_slave_send_cb();
+        }
+        TWCR = BIT(TWIE) | BIT(TWINT) | BIT(TWEA) | BIT(TWEN);
+        break;
+    case TW_BUS_ERROR:
+        // some sort of erroneous state, prepare TWI to be readdressed
+        printf("TWI_vect bus error\n");
+        TWCR = 0;
+        TWCR = BIT(TWIE) | BIT(TWINT) | BIT(TWEA) | BIT(TWEN);
+        break;
+    default:
+        TWCR = BIT(TWIE) | BIT(TWINT) | BIT(TWEA) | BIT(TWEN);
+        break;
+    }
 }
diff --git a/src/board/arduino/mega2560/i2c.c b/src/board/arduino/mega2560/i2c.c
index 46d3ead..3c056a3 100644
--- a/src/board/arduino/mega2560/i2c.c
+++ b/src/board/arduino/mega2560/i2c.c
@@ -6,7 +6,7 @@
 #include <board/i2c.h>
 
 void i2c_init(unsigned long baud) {
-	TWAR = 0;
-	TWBR = (uint8_t)(((F_CPU / baud) - 16 ) / 2);
-	TWCR = 0;
+    TWAR = 0;
+    TWBR = (uint8_t)(((F_CPU / baud) - 16 ) / 2);
+    TWCR = 0;
 }
diff --git a/src/board/arduino/uno/i2c.c b/src/board/arduino/uno/i2c.c
index 46d3ead..3c056a3 100644
--- a/src/board/arduino/uno/i2c.c
+++ b/src/board/arduino/uno/i2c.c
@@ -6,7 +6,7 @@
 #include <board/i2c.h>
 
 void i2c_init(unsigned long baud) {
-	TWAR = 0;
-	TWBR = (uint8_t)(((F_CPU / baud) - 16 ) / 2);
-	TWCR = 0;
+    TWAR = 0;
+    TWBR = (uint8_t)(((F_CPU / baud) - 16 ) / 2);
+    TWCR = 0;
 }
diff --git a/src/board/system76/common/scratch/main.c b/src/board/system76/common/scratch/main.c
index 0998629..498c720 100644
--- a/src/board/system76/common/scratch/main.c
+++ b/src/board/system76/common/scratch/main.c
@@ -4,7 +4,7 @@
 
 // Main program while running in scratch ROM
 void main(void) {
-	for (;;) {
+    for (;;) {
         smfi_event();
     }
 }
diff --git a/src/common/i2c.c b/src/common/i2c.c
index 5fb0eef..c1b4e98 100644
--- a/src/common/i2c.c
+++ b/src/common/i2c.c
@@ -11,9 +11,9 @@ int i2c_recv(struct I2C * i2c, uint8_t addr, uint8_t* data, int length) __reentr
     res = i2c_read(i2c, data, length);
     if (res < 0) return res;
 
-	i2c_stop(i2c);
+    i2c_stop(i2c);
 
-	return res;
+    return res;
 }
 
 int i2c_send(struct I2C * i2c, uint8_t addr, uint8_t* data, int length) __reentrant {
@@ -25,9 +25,9 @@ int i2c_send(struct I2C * i2c, uint8_t addr, uint8_t* data, int length) __reentr
     res = i2c_write(i2c, data, length);
     if (res < 0) return res;
 
-	i2c_stop(i2c);
+    i2c_stop(i2c);
 
-	return res;
+    return res;
 }
 
 int i2c_get(struct I2C * i2c, uint8_t addr, uint8_t reg, uint8_t* data, int length) __reentrant {
@@ -48,7 +48,7 @@ int i2c_set(struct I2C * i2c, uint8_t addr, uint8_t reg, uint8_t* data, int leng
     res = i2c_start(i2c, addr, false);
     if (res < 0) return res;
 
-	res = i2c_write(i2c, &reg, 1);
+    res = i2c_write(i2c, &reg, 1);
     if (res < 0) return res;
 
     return i2c_send(i2c, addr, data, length);
diff --git a/src/ec/it5570e/i2c.c b/src/ec/it5570e/i2c.c
index 5eb7faa..e9d7f94 100644
--- a/src/ec/it5570e/i2c.c
+++ b/src/ec/it5570e/i2c.c
@@ -80,7 +80,7 @@ int i2c_start(struct I2C * i2c, uint8_t addr, bool read) __reentrant {
         *(i2c->trasla) = (addr << 1) | read;
     }
 
-	return 0;
+    return 0;
 }
 
 void i2c_stop(struct I2C * i2c) {
diff --git a/src/ec/it8587e/i2c.c b/src/ec/it8587e/i2c.c
index 975466f..9b26690 100644
--- a/src/ec/it8587e/i2c.c
+++ b/src/ec/it8587e/i2c.c
@@ -72,7 +72,7 @@ int i2c_start(struct I2C * i2c, uint8_t addr, bool read) __reentrant {
         *(i2c->trasla) = (addr << 1) | read;
     }
 
-	return 0;
+    return 0;
 }
 
 void i2c_stop(struct I2C * i2c) {