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-rw-r--r--src/gsm/gsm_utils.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gsm/gsm_utils.c b/src/gsm/gsm_utils.c
index 365920fa..ae77a9dc 100644
--- a/src/gsm/gsm_utils.c
+++ b/src/gsm/gsm_utils.c
@@ -501,8 +501,8 @@ size_t gsm0858_rsl_ul_meas_enc(struct gsm_meas_rep_unidir *mru, bool dtxd_used,
/*! Convert power class to dBm according to GSM TS 05.05
* \param[in] band GSM frequency band
* \param[in] class GSM power class
- * \returns maximum transmit power of power class in dBm */
-unsigned int ms_class_gmsk_dbm(enum gsm_band band, int class)
+ * \returns maximum transmit power of power class in dBm, negative on error */
+int ms_class_gmsk_dbm(enum gsm_band band, int class)
{
switch (band) {
case GSM_BAND_450: