static int pn533_setup()

in pn533/pn533.c [2637:2706]

• 57 lines of code
• 13 McCabe index (conditional complexity)

static int pn533_setup(struct pn533 *dev)
{
	struct pn533_config_max_retries max_retries;
	struct pn533_config_timing timing;
	u8 pasori_cfg[3] = {0x08, 0x01, 0x08};
	int rc;

	switch (dev->device_type) {
	case PN533_DEVICE_STD:
	case PN533_DEVICE_PASORI:
	case PN533_DEVICE_ACR122U:
	case PN533_DEVICE_PN532:
	case PN533_DEVICE_PN532_AUTOPOLL:
		max_retries.mx_rty_atr = 0x2;
		max_retries.mx_rty_psl = 0x1;
		max_retries.mx_rty_passive_act =
			PN533_CONFIG_MAX_RETRIES_NO_RETRY;

		timing.rfu = PN533_CONFIG_TIMING_102;
		timing.atr_res_timeout = PN533_CONFIG_TIMING_102;
		timing.dep_timeout = PN533_CONFIG_TIMING_204;

		break;

	default:
		nfc_err(dev->dev, "Unknown device type %d\n",
			dev->device_type);
		return -EINVAL;
	}

	rc = pn533_set_configuration(dev, PN533_CFGITEM_MAX_RETRIES,
				     (u8 *)&max_retries, sizeof(max_retries));
	if (rc) {
		nfc_err(dev->dev,
			"Error on setting MAX_RETRIES config\n");
		return rc;
	}


	rc = pn533_set_configuration(dev, PN533_CFGITEM_TIMING,
				     (u8 *)&timing, sizeof(timing));
	if (rc) {
		nfc_err(dev->dev, "Error on setting RF timings\n");
		return rc;
	}

	switch (dev->device_type) {
	case PN533_DEVICE_STD:
	case PN533_DEVICE_PN532:
	case PN533_DEVICE_PN532_AUTOPOLL:
		break;

	case PN533_DEVICE_PASORI:
		pn533_pasori_fw_reset(dev);

		rc = pn533_set_configuration(dev, PN533_CFGITEM_PASORI,
					     pasori_cfg, 3);
		if (rc) {
			nfc_err(dev->dev,
				"Error while settings PASORI config\n");
			return rc;
		}

		pn533_pasori_fw_reset(dev);

		break;
	}

	return 0;
}