static int ht16k33_blink_set()

in ht16k33.c [204:236]

• 30 lines of code
• 6 McCabe index (conditional complexity)

static int ht16k33_blink_set(struct led_classdev *led_cdev,
			     unsigned long *delay_on, unsigned long *delay_off)
{
	struct ht16k33_priv *priv = container_of(led_cdev, struct ht16k33_priv,
						 led);
	unsigned int delay;
	uint8_t blink;
	int err;

	if (!*delay_on && !*delay_off) {
		blink = REG_DISPLAY_SETUP_BLINK_1HZ;
		delay = 1000;
	} else if (*delay_on <= 750) {
		blink = REG_DISPLAY_SETUP_BLINK_2HZ;
		delay = 500;
	} else if (*delay_on <= 1500) {
		blink = REG_DISPLAY_SETUP_BLINK_1HZ;
		delay = 1000;
	} else {
		blink = REG_DISPLAY_SETUP_BLINK_0HZ5;
		delay = 2000;
	}

	err = i2c_smbus_write_byte(priv->client,
				   REG_DISPLAY_SETUP | REG_DISPLAY_SETUP_ON |
				   blink);
	if (err)
		return err;

	priv->blink = blink;
	*delay_on = *delay_off = delay;
	return 0;
}