static int mchp_tc_count_action_read()

in microchip-tcb-capture.c [166:192]

• 24 lines of code
• 4 McCabe index (conditional complexity)

static int mchp_tc_count_action_read(struct counter_device *counter,
				     struct counter_count *count,
				     struct counter_synapse *synapse,
				     enum counter_synapse_action *action)
{
	struct mchp_tc_data *const priv = counter_priv(counter);
	u32 cmr;

	regmap_read(priv->regmap, ATMEL_TC_REG(priv->channel[0], CMR), &cmr);

	switch (cmr & ATMEL_TC_ETRGEDG) {
	default:
		*action = COUNTER_SYNAPSE_ACTION_NONE;
		break;
	case ATMEL_TC_ETRGEDG_RISING:
		*action = COUNTER_SYNAPSE_ACTION_RISING_EDGE;
		break;
	case ATMEL_TC_ETRGEDG_FALLING:
		*action = COUNTER_SYNAPSE_ACTION_FALLING_EDGE;
		break;
	case ATMEL_TC_ETRGEDG_BOTH:
		*action = COUNTER_SYNAPSE_ACTION_BOTH_EDGES;
		break;
	}

	return 0;
}