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path: root/drivers/led/issi/is31fl3218.c
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Diffstat (limited to 'drivers/led/issi/is31fl3218.c')
-rw-r--r--drivers/led/issi/is31fl3218.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/led/issi/is31fl3218.c b/drivers/led/issi/is31fl3218.c
index c2300ebe89..1ed45c4558 100644
--- a/drivers/led/issi/is31fl3218.c
+++ b/drivers/led/issi/is31fl3218.c
@@ -72,6 +72,9 @@ void IS31FL3218_init(void) {
}
void IS31FL3218_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
+ if (g_pwm_buffer[index * 3 + 0] == red && g_pwm_buffer[index * 3 + 1] == green && g_pwm_buffer[index * 3 + 2] == blue) {
+ return;
+ }
g_pwm_buffer[index * 3 + 0] = red;
g_pwm_buffer[index * 3 + 1] = green;
g_pwm_buffer[index * 3 + 2] = blue;