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mobile: improve function comments in voice.c

Change-Id: I0285a07841bdc2568374f9e9cd0214eef1415186
Related: OS#5599
---
M src/host/layer23/src/mobile/voice.c
1 file changed, 4 insertions(+), 12 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/98/30398/1

diff --git a/src/host/layer23/src/mobile/voice.c b/src/host/layer23/src/mobile/voice.c
index 1159fbb..1e664dc 100644
--- a/src/host/layer23/src/mobile/voice.c
+++ b/src/host/layer23/src/mobile/voice.c
@@ -25,11 +25,7 @@
 #include <osmocom/bb/mobile/mncc.h>
 #include <osmocom/bb/mobile/voice.h>
 
-
-/*
- * receive voice
- */
-
+/* Receive a Downlink voice frame from the lower layers */
 static int gsm_recv_voice(struct osmocom_ms *ms, struct msgb *msg)
 {
 	struct gsm_data_frame *mncc;
@@ -68,15 +64,14 @@
 	return 0;
 }
 
-/*
- * send voice
- */
+/* Send an Uplink voice frame to the lower layers */
 int gsm_send_voice_msg(struct osmocom_ms *ms, struct msgb *msg)
 {
 	/* Forward to RR */
 	return gsm48_rr_tx_voice(ms, msg);
 }
 
+/* gsm_send_voice_msg() wrapper accepting an MNCC structure */
 int gsm_send_voice_frame(struct osmocom_ms *ms, const struct gsm_data_frame *frame)
 {
 	struct msgb *nmsg;
@@ -109,10 +104,7 @@
 	return gsm_send_voice_msg(ms, nmsg);
 }
 
-/*
- * init
- */
-
+/* Initialize voice router */
 int gsm_voice_init(struct osmocom_ms *ms)
 {
 	ms->l1_entity.l1_traffic_ind = gsm_recv_voice;

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