gsm0808: Add value_string for LCLS related IEs

Change-Id: I18d7a29496929c761aeaba9c0aee847befc13108
diff --git a/include/osmocom/gsm/gsm0808.h b/include/osmocom/gsm/gsm0808.h
index 8402957..d704aa9 100644
--- a/include/osmocom/gsm/gsm0808.h
+++ b/include/osmocom/gsm/gsm0808.h
@@ -27,6 +27,7 @@
 #include <osmocom/gsm/protocol/gsm_08_08.h>
 #include <osmocom/gsm/gsm0808_utils.h>
 #include <osmocom/gsm/gsm23003.h>
+#include <osmocom/core/utils.h>
 
 struct sockaddr_storage;
 
@@ -135,4 +136,18 @@
 const char *gsm0808_bssap_name(uint8_t msg_type);
 const char *gsm0808_cause_name(uint8_t cause);
 
+extern const struct value_string gsm0808_lcls_config_names[];
+extern const struct value_string gsm0808_lcls_control_names[];
+extern const struct value_string gsm0808_lcls_status_names[];
+
+static inline const char *gsm0808_lcls_config_name(uint8_t val) {
+	return get_value_string(gsm0808_lcls_config_names, val);
+}
+static inline const char *gsm0808_lcls_control_name(uint8_t val) {
+	return get_value_string(gsm0808_lcls_control_names, val);
+}
+static inline const char *gsm0808_lcls_status_name(uint8_t val) {
+	return get_value_string(gsm0808_lcls_status_names, val);
+}
+
 /*! @} */