5 files changed, 9 insertions, 3 deletions

diff --git a/quantum/visualizer/lcd_backlight.c b/quantum/visualizer/lcd_backlight.c
index 00de3fab5..6cd996f75 100644
--- a/quantum/visualizer/lcd_backlight.c
+++ b/quantum/visualizer/lcd_backlight.c
@@ -83,3 +83,7 @@ void lcd_backlight_brightness(uint8_t b) {
     current_brightness = b;
     lcd_backlight_color(current_hue, current_saturation, current_intensity);
 }
+
+uint8_t lcd_get_backlight_brightness(void) {
+        return current_brightness;
+}
diff --git a/quantum/visualizer/lcd_backlight.h b/quantum/visualizer/lcd_backlight.h
index 14dde64a1..95d7a07b4 100644
--- a/quantum/visualizer/lcd_backlight.h
+++ b/quantum/visualizer/lcd_backlight.h
@@ -32,13 +32,14 @@ SOFTWARE.
 #define LCD_SAT(color) ((color >> 8) & 0xFF)
 #define LCD_INT(color) (color & 0xFF)
 
-inline uint32_t change_lcd_color_intensity(uint32_t color, uint8_t new_intensity) {
+static inline uint32_t change_lcd_color_intensity(uint32_t color, uint8_t new_intensity) {
     return (color & 0xFFFFFF00) | new_intensity;
 }
 
 void lcd_backlight_init(void);
 void lcd_backlight_color(uint8_t hue, uint8_t saturation, uint8_t intensity);
 void lcd_backlight_brightness(uint8_t b);
+uint8_t lcd_get_backlight_brightness(void);
 
 void lcd_backlight_hal_init(void);
 void lcd_backlight_hal_color(uint16_t r, uint16_t g, uint16_t b);
diff --git a/quantum/visualizer/led_keyframes.c b/quantum/visualizer/led_keyframes.c
index c14491e5e..2f4e20043 100644
--- a/quantum/visualizer/led_keyframes.c
+++ b/quantum/visualizer/led_keyframes.c
@@ -48,7 +48,7 @@ static uint8_t crossfade_start_frame[NUM_ROWS][NUM_COLS];
 static uint8_t crossfade_end_frame[NUM_ROWS][NUM_COLS];
 
 static uint8_t compute_gradient_color(float t, float index, float num) {
-    const float two_pi = M_2_PI;
+    const float two_pi = M_PI * 2.0f;
     float normalized_index = (1.0f - index / (num - 1.0f)) * two_pi;
     float x = t * two_pi + normalized_index;
     float v = 0.5 * (cosf(x) + 1.0f);
diff --git a/quantum/visualizer/visualizer.c b/quantum/visualizer/visualizer.c
index 486ff25b3..a4b3ea7e4 100644
--- a/quantum/visualizer/visualizer.c
+++ b/quantum/visualizer/visualizer.c
@@ -22,8 +22,8 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 */
 
-#include "visualizer.h"
 #include "config.h"
+#include "visualizer.h"
 #include <string.h>
 #ifdef PROTOCOL_CHIBIOS
 #include "ch.h"
diff --git a/quantum/visualizer/visualizer.h b/quantum/visualizer/visualizer.h
index 1c567440f..90ecdcbae 100644
--- a/quantum/visualizer/visualizer.h
+++ b/quantum/visualizer/visualizer.h
@@ -28,6 +28,7 @@ SOFTWARE.
 #include <stdint.h>
 #include <stdbool.h>
 
+#include "config.h"
 #include "gfx.h"
 
 #ifdef LCD_BACKLIGHT_ENABLE