static int gb_svc_pwrmon_sample_get()

in svc.c [172:207]

• 31 lines of code
• 5 McCabe index (conditional complexity)

static int gb_svc_pwrmon_sample_get(struct gb_svc *svc, u8 rail_id,
				    u8 measurement_type, u32 *value)
{
	struct gb_svc_pwrmon_sample_get_request request;
	struct gb_svc_pwrmon_sample_get_response response;
	int ret;

	request.rail_id = rail_id;
	request.measurement_type = measurement_type;

	ret = gb_operation_sync(svc->connection, GB_SVC_TYPE_PWRMON_SAMPLE_GET,
				&request, sizeof(request),
				&response, sizeof(response));
	if (ret) {
		dev_err(&svc->dev, "failed to get rail sample: %d\n", ret);
		return ret;
	}

	if (response.result) {
		dev_err(&svc->dev,
			"UniPro error while getting rail power sample (%d %d): %d\n",
			rail_id, measurement_type, response.result);
		switch (response.result) {
		case GB_SVC_PWRMON_GET_SAMPLE_INVAL:
			return -EINVAL;
		case GB_SVC_PWRMON_GET_SAMPLE_NOSUPP:
			return -ENOMSG;
		default:
			return -EREMOTEIO;
		}
	}

	*value = le32_to_cpu(response.measurement);

	return 0;
}