LEDC_MAX_LEDS
if (ret || addr >= LEDC_MAX_LEDS)
LEDC_MAX_LEDS - 1);
priv->buffer = devm_kzalloc(dev, LEDS_TO_BYTES(LEDC_MAX_LEDS), GFP_KERNEL);
LEDS_TO_BYTES(LEDC_MAX_LEDS), &priv->dma_handle,