diff --git a/drivers/led/issi/is31fl3733-mono.c b/drivers/led/issi/is31fl3733-mono.c
index bd3d15c5166..b6e4a59b6be 100644
--- a/drivers/led/issi/is31fl3733-mono.c
+++ b/drivers/led/issi/is31fl3733-mono.c
@@ -95,9 +95,8 @@ void is31fl3733_select_page(uint8_t addr, uint8_t page) {
     is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, page);
 }
 
-bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
+void is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
     // Assumes page 1 is already selected.
-    // If any of the transactions fails function returns false.
     // Transmit PWM registers in 12 transfers of 16 bytes.
     // i2c_transfer_buffer[] is 20 bytes
 
@@ -111,17 +110,12 @@ bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
 
 #if IS31FL3733_I2C_PERSISTENCE > 0
         for (uint8_t i = 0; i < IS31FL3733_I2C_PERSISTENCE; i++) {
-            if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) != 0) {
-                return false;
-            }
+            if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) == 0) break;
         }
 #else
-        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) != 0) {
-            return false;
-        }
+        i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT);
 #endif
     }
-    return true;
 }
 
 void is31fl3733_init_drivers(void) {
@@ -232,11 +226,7 @@ void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         is31fl3733_select_page(addr, IS31FL3733_COMMAND_PWM);
 
-        // If any of the transactions fail we risk writing dirty page 0,
-        // refresh page 0 just in case.
-        if (!is31fl3733_write_pwm_buffer(addr, g_pwm_buffer[index])) {
-            g_led_control_registers_update_required[index] = true;
-        }
+        is31fl3733_write_pwm_buffer(addr, g_pwm_buffer[index]);
 
         g_pwm_buffer_update_required[index] = false;
     }
diff --git a/drivers/led/issi/is31fl3733-mono.h b/drivers/led/issi/is31fl3733-mono.h
index 5a588834b8d..2fae1f1afe1 100644
--- a/drivers/led/issi/is31fl3733-mono.h
+++ b/drivers/led/issi/is31fl3733-mono.h
@@ -118,7 +118,7 @@ void is31fl3733_init_drivers(void);
 void is31fl3733_init(uint8_t addr, uint8_t sync);
 void is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
 void is31fl3733_select_page(uint8_t addr, uint8_t page);
-bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
+void 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);
diff --git a/drivers/led/issi/is31fl3733.c b/drivers/led/issi/is31fl3733.c
index ad98bd3cec2..f16bb162a57 100644
--- a/drivers/led/issi/is31fl3733.c
+++ b/drivers/led/issi/is31fl3733.c
@@ -94,9 +94,8 @@ void is31fl3733_select_page(uint8_t addr, uint8_t page) {
     is31fl3733_write_register(addr, IS31FL3733_REG_COMMAND, page);
 }
 
-bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
+void is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
     // Assumes page 1 is already selected.
-    // If any of the transactions fails function returns false.
     // Transmit PWM registers in 12 transfers of 16 bytes.
     // i2c_transfer_buffer[] is 20 bytes
 
@@ -110,17 +109,12 @@ bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
 
 #if IS31FL3733_I2C_PERSISTENCE > 0
         for (uint8_t i = 0; i < IS31FL3733_I2C_PERSISTENCE; i++) {
-            if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) != 0) {
-                return false;
-            }
+            if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) == 0) break;
         }
 #else
-        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) != 0) {
-            return false;
-        }
+        i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT);
 #endif
     }
-    return true;
 }
 
 void is31fl3733_init_drivers(void) {
@@ -247,11 +241,7 @@ void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         is31fl3733_select_page(addr, IS31FL3733_COMMAND_PWM);
 
-        // If any of the transactions fail we risk writing dirty page 0,
-        // refresh page 0 just in case.
-        if (!is31fl3733_write_pwm_buffer(addr, g_pwm_buffer[index])) {
-            g_led_control_registers_update_required[index] = true;
-        }
+        is31fl3733_write_pwm_buffer(addr, g_pwm_buffer[index]);
 
         g_pwm_buffer_update_required[index] = false;
     }
diff --git a/drivers/led/issi/is31fl3733.h b/drivers/led/issi/is31fl3733.h
index f273f1f0032..a1b44b57518 100644
--- a/drivers/led/issi/is31fl3733.h
+++ b/drivers/led/issi/is31fl3733.h
@@ -143,7 +143,7 @@ void is31fl3733_init_drivers(void);
 void is31fl3733_init(uint8_t addr, uint8_t sync);
 void is31fl3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
 void is31fl3733_select_page(uint8_t addr, uint8_t page);
-bool is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
+void is31fl3733_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
 
 void is31fl3733_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
 void is31fl3733_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
diff --git a/drivers/led/issi/is31fl3741-mono.c b/drivers/led/issi/is31fl3741-mono.c
index 09838aa4557..9994ab3bfe8 100644
--- a/drivers/led/issi/is31fl3741-mono.c
+++ b/drivers/led/issi/is31fl3741-mono.c
@@ -85,7 +85,7 @@ void is31fl3741_select_page(uint8_t addr, uint8_t page) {
     is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, page);
 }
 
-bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
+void is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
     // Assume page 0 is already selected
 
     for (int i = 0; i < 342; i += 18) {
@@ -98,14 +98,10 @@ bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
 
 #if IS31FL3741_I2C_PERSISTENCE > 0
         for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
-            if (i2c_transmit(addr << 1, i2c_transfer_buffer, 19, IS31FL3741_I2C_TIMEOUT) != 0) {
-                return false;
-            }
+            if (i2c_transmit(addr << 1, i2c_transfer_buffer, 19, IS31FL3741_I2C_TIMEOUT) == 0) break;
         }
 #else
-        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 19, IS31FL3741_I2C_TIMEOUT) != 0) {
-            return false;
-        }
+        i2c_transmit(addr << 1, i2c_transfer_buffer, 19, IS31FL3741_I2C_TIMEOUT);
 #endif
     }
 
@@ -115,17 +111,11 @@ bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
 
 #if IS31FL3741_I2C_PERSISTENCE > 0
     for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
-        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT) != 0) {
-            return false;
-        }
+        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT) != 0) break;
     }
 #else
-    if (i2c_transmit(addr << 1, i2c_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT) != 0) {
-        return false;
-    }
+    i2c_transmit(addr << 1, i2c_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT);
 #endif
-
-    return true;
 }
 
 void is31fl3741_init_drivers(void) {
diff --git a/drivers/led/issi/is31fl3741-mono.h b/drivers/led/issi/is31fl3741-mono.h
index ad416b62d5d..06c7da5afd8 100644
--- a/drivers/led/issi/is31fl3741-mono.h
+++ b/drivers/led/issi/is31fl3741-mono.h
@@ -105,7 +105,7 @@ void is31fl3741_init_drivers(void);
 void is31fl3741_init(uint8_t addr);
 void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data);
 void is31fl3741_select_page(uint8_t addr, uint8_t page);
-bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
+void is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
 
 void is31fl3741_set_value(int index, uint8_t value);
 void is31fl3741_set_value_all(uint8_t value);
diff --git a/drivers/led/issi/is31fl3741.c b/drivers/led/issi/is31fl3741.c
index 9bc8c11e8c7..35cf85beeba 100644
--- a/drivers/led/issi/is31fl3741.c
+++ b/drivers/led/issi/is31fl3741.c
@@ -85,7 +85,7 @@ void is31fl3741_select_page(uint8_t addr, uint8_t page) {
     is31fl3741_write_register(addr, IS31FL3741_REG_COMMAND, page);
 }
 
-bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
+void is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
     // Assume page 0 is already selected
 
     for (int i = 0; i < 342; i += 18) {
@@ -98,14 +98,10 @@ bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
 
 #if IS31FL3741_I2C_PERSISTENCE > 0
         for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
-            if (i2c_transmit(addr << 1, i2c_transfer_buffer, 19, IS31FL3741_I2C_TIMEOUT) != 0) {
-                return false;
-            }
+            if (i2c_transmit(addr << 1, i2c_transfer_buffer, 19, IS31FL3741_I2C_TIMEOUT) == 0) break;
         }
 #else
-        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 19, IS31FL3741_I2C_TIMEOUT) != 0) {
-            return false;
-        }
+        i2c_transmit(addr << 1, i2c_transfer_buffer, 19, IS31FL3741_I2C_TIMEOUT);
 #endif
     }
 
@@ -115,17 +111,11 @@ bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
 
 #if IS31FL3741_I2C_PERSISTENCE > 0
     for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
-        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT) != 0) {
-            return false;
-        }
+        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT) == 0) break;
     }
 #else
-    if (i2c_transmit(addr << 1, i2c_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT) != 0) {
-        return false;
-    }
+    i2c_transmit(addr << 1, i2c_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT);
 #endif
-
-    return true;
 }
 
 void is31fl3741_init_drivers(void) {
diff --git a/drivers/led/issi/is31fl3741.h b/drivers/led/issi/is31fl3741.h
index 5151d81c37b..92127a3c4ec 100644
--- a/drivers/led/issi/is31fl3741.h
+++ b/drivers/led/issi/is31fl3741.h
@@ -122,7 +122,7 @@ void is31fl3741_init_drivers(void);
 void is31fl3741_init(uint8_t addr);
 void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data);
 void is31fl3741_select_page(uint8_t addr, uint8_t page);
-bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
+void is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
 
 void is31fl3741_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
 void is31fl3741_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
diff --git a/drivers/led/snled27351-mono.c b/drivers/led/snled27351-mono.c
index 5d4b8e3a405..9bad5ccba47 100644
--- a/drivers/led/snled27351-mono.c
+++ b/drivers/led/snled27351-mono.c
@@ -68,9 +68,8 @@ void snled27351_select_page(uint8_t addr, uint8_t page) {
     snled27351_write_register(addr, SNLED27351_REG_COMMAND, page);
 }
 
-bool snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
+void snled27351_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.
     // i2c_transfer_buffer[] is 20 bytes
 
@@ -86,17 +85,12 @@ bool snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
 
 #if SNLED27351_I2C_PERSISTENCE > 0
         for (uint8_t i = 0; i < SNLED27351_I2C_PERSISTENCE; i++) {
-            if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, SNLED27351_I2C_TIMEOUT) != 0) {
-                return false;
-            }
+            if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, SNLED27351_I2C_TIMEOUT) == 0) break;
         }
 #else
-        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, SNLED27351_I2C_TIMEOUT) != 0) {
-            return false;
-        }
+        i2c_transmit(addr << 1, i2c_transfer_buffer, 17, SNLED27351_I2C_TIMEOUT);
 #endif
     }
-    return true;
 }
 
 void snled27351_init_drivers(void) {
@@ -216,14 +210,10 @@ void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         snled27351_select_page(addr, SNLED27351_COMMAND_PWM);
 
-        // If any of the transactions fail we risk writing dirty PG0,
-        // refresh page 0 just in case.
-        if (!snled27351_write_pwm_buffer(addr, g_pwm_buffer[index])) {
-            g_pwm_buffer_update_required[index] = true;
-        }
-    }
+        snled27351_write_pwm_buffer(addr, g_pwm_buffer[index]);
 
-    g_pwm_buffer_update_required[index] = false;
+        g_pwm_buffer_update_required[index] = false;
+    }
 }
 
 void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) {
diff --git a/drivers/led/snled27351-mono.h b/drivers/led/snled27351-mono.h
index df1cd21efbe..8188b075ff6 100644
--- a/drivers/led/snled27351-mono.h
+++ b/drivers/led/snled27351-mono.h
@@ -157,7 +157,7 @@ void snled27351_init_drivers(void);
 void snled27351_init(uint8_t addr);
 void snled27351_select_page(uint8_t addr, uint8_t page);
 void snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data);
-bool snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
+void snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
 
 void snled27351_set_value(int index, uint8_t value);
 void snled27351_set_value_all(uint8_t value);
diff --git a/drivers/led/snled27351.c b/drivers/led/snled27351.c
index e40d09e7597..9313a9b94d5 100644
--- a/drivers/led/snled27351.c
+++ b/drivers/led/snled27351.c
@@ -68,9 +68,8 @@ void snled27351_select_page(uint8_t addr, uint8_t page) {
     snled27351_write_register(addr, SNLED27351_REG_COMMAND, page);
 }
 
-bool snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
+void snled27351_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 3 transfers of 64 bytes.
 
     // Iterate over the pwm_buffer contents at 64 byte intervals.
@@ -85,17 +84,12 @@ bool snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
 
 #if SNLED27351_I2C_PERSISTENCE > 0
         for (uint8_t i = 0; i < SNLED27351_I2C_PERSISTENCE; i++) {
-            if (i2c_transmit(addr << 1, i2c_transfer_buffer, 65, SNLED27351_I2C_TIMEOUT) != 0) {
-                return false;
-            }
+            if (i2c_transmit(addr << 1, i2c_transfer_buffer, 65, SNLED27351_I2C_TIMEOUT) == 0) break;
         }
 #else
-        if (i2c_transmit(addr << 1, i2c_transfer_buffer, 65, SNLED27351_I2C_TIMEOUT) != 0) {
-            return false;
-        }
+        i2c_transmit(addr << 1, i2c_transfer_buffer, 65, SNLED27351_I2C_TIMEOUT);
 #endif
     }
-    return true;
 }
 
 void snled27351_init_drivers(void) {
@@ -231,14 +225,10 @@ void snled27351_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         snled27351_select_page(addr, SNLED27351_COMMAND_PWM);
 
-        // If any of the transactions fail we risk writing dirty PG0,
-        // refresh page 0 just in case.
-        if (!snled27351_write_pwm_buffer(addr, g_pwm_buffer[index])) {
-            g_pwm_buffer_update_required[index] = true;
-        }
-    }
+        snled27351_write_pwm_buffer(addr, g_pwm_buffer[index]);
 
-    g_pwm_buffer_update_required[index] = false;
+        g_pwm_buffer_update_required[index] = false;
+    }
 }
 
 void snled27351_update_led_control_registers(uint8_t addr, uint8_t index) {
diff --git a/drivers/led/snled27351.h b/drivers/led/snled27351.h
index 184fdbc523c..5c50bf27f19 100644
--- a/drivers/led/snled27351.h
+++ b/drivers/led/snled27351.h
@@ -171,7 +171,7 @@ void snled27351_init_drivers(void);
 void snled27351_init(uint8_t addr);
 void snled27351_select_page(uint8_t addr, uint8_t page);
 void snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data);
-bool snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
+void snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
 
 void snled27351_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
 void snled27351_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
diff --git a/keyboards/input_club/k_type/is31fl3733-dual.c b/keyboards/input_club/k_type/is31fl3733-dual.c
index 4b40175994b..b4528b5a6f1 100644
--- a/keyboards/input_club/k_type/is31fl3733-dual.c
+++ b/keyboards/input_club/k_type/is31fl3733-dual.c
@@ -92,9 +92,8 @@ void is31fl3733_select_page(uint8_t index, uint8_t addr, uint8_t page) {
     is31fl3733_write_register(index, addr, IS31FL3733_REG_COMMAND, page);
 }
 
-bool is31fl3733_write_pwm_buffer(uint8_t index, uint8_t addr, uint8_t *pwm_buffer) {
+void is31fl3733_write_pwm_buffer(uint8_t index, uint8_t addr, uint8_t *pwm_buffer) {
     // Assumes page 1 is already selected.
-    // If any of the transactions fails function returns false.
     // Transmit PWM registers in 12 transfers of 16 bytes.
     // i2c_transfer_buffer[] is 20 bytes
 
@@ -110,17 +109,12 @@ bool is31fl3733_write_pwm_buffer(uint8_t index, uint8_t addr, uint8_t *pwm_buffe
 
 #if IS31FL3733_I2C_PERSISTENCE > 0
         for (uint8_t i = 0; i < IS31FL3733_I2C_PERSISTENCE; i++) {
-            if (i2c_transmit(index, addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) != 0) {
-                return false;
-            }
+            if (i2c_transmit(index, addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) == 0) break;
         }
 #else
-        if (i2c_transmit(index, addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT) != 0) {
-            return false;
-        }
+        i2c_transmit(index, addr << 1, i2c_transfer_buffer, 17, IS31FL3733_I2C_TIMEOUT);
 #endif
     }
-    return true;
 }
 
 void is31fl3733_init_drivers(void) {
@@ -236,13 +230,10 @@ void is31fl3733_update_pwm_buffers(uint8_t addr, uint8_t index) {
     if (g_pwm_buffer_update_required[index]) {
         is31fl3733_select_page(index, addr, IS31FL3733_COMMAND_PWM);
 
-        // If any of the transactions fail we risk writing dirty page 0,
-        // refresh page 0 just in case.
-        if (!is31fl3733_write_pwm_buffer(index, addr, g_pwm_buffer[index])) {
-            g_led_control_registers_update_required[index] = true;
-        }
+        is31fl3733_write_pwm_buffer(index, addr, g_pwm_buffer[index]);
+
+        g_pwm_buffer_update_required[index] = false;
     }
-    g_pwm_buffer_update_required[index] = false;
 }
 
 void is31fl3733_update_led_control_registers(uint8_t addr, uint8_t index) {
diff --git a/keyboards/input_club/k_type/is31fl3733-dual.h b/keyboards/input_club/k_type/is31fl3733-dual.h
index 21dd7015253..9cdfb29f748 100644
--- a/keyboards/input_club/k_type/is31fl3733-dual.h
+++ b/keyboards/input_club/k_type/is31fl3733-dual.h
@@ -86,7 +86,7 @@ void is31fl3733_init_drivers(void);
 void is31fl3733_init(uint8_t bus, uint8_t addr, uint8_t sync);
 void is31fl3733_write_register(uint8_t index, uint8_t addr, uint8_t reg, uint8_t data);
 void is31fl3733_select_page(uint8_t index, uint8_t addr, uint8_t page);
-bool is31fl3733_write_pwm_buffer(uint8_t index, uint8_t addr, uint8_t *pwm_buffer);
+void is31fl3733_write_pwm_buffer(uint8_t index, uint8_t addr, uint8_t *pwm_buffer);
 
 void is31fl3733_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
 void is31fl3733_set_color_all(uint8_t red, uint8_t green, uint8_t blue);