Change breathing led to use timer1

keyboard/lr94/backlight.c

@@ -25,6 +25,8 @@ static const uint8_t backlight_table[] PROGMEM = {
     0, 16, 128, 255
 };
 
+inline void backlight_set_raw(uint8_t raw);
+
 /* Backlight pin configuration
  * PWM: PC6(OC3A)
  */

keyboard/lr94/config.h

@@ -43,10 +43,12 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* number of backlight levels */
 #ifdef BREATHING_LED_ENABLE
+#define BREATHING_LED_TIMER1
 #define BACKLIGHT_LEVELS 6
 #else
 #define BACKLIGHT_LEVELS 3
 #endif
+#define BACKLIGHT_CUSTOM
 
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE