X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fhameg-hmo%2Fprotocol.c;h=029edbd76750bf378988e0388ba0a707cfa0c85f;hb=b02bb45f4cf6378520e5a5b82ff39013cfa270b6;hp=3c095e9cbd817f43d6105ff1ef490a1c8bef3960;hpb=401b83a154afafad09a66e5a4eedf106e8a3dd1f;p=libsigrok.git

diff --git a/src/hardware/hameg-hmo/protocol.c b/src/hardware/hameg-hmo/protocol.c
index 3c095e9c..029edbd7 100644
--- a/src/hardware/hameg-hmo/protocol.c
+++ b/src/hardware/hameg-hmo/protocol.c
@@ -68,10 +68,10 @@ static const uint32_t hmo_analog_devopts[] = {
 };
 
 static const char *hmo_coupling_options[] = {
-	"AC",
-	"ACL",
-	"DC",
-	"DCL",
+	"AC",  // AC with 50 Ohm termination (152x, 202x, 30xx, 1202)
+	"ACL", // AC with 1 MOhm termination
+	"DC",  // DC with 50 Ohm termination
+	"DCL", // DC with 1 MOhm termination
 	"GND",
 	NULL,
 };
@@ -570,6 +570,7 @@ SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi)
 		sr_err("Could not determine array index for time base.");
 		return SR_ERR;
 	}
+	g_free(tmp_str);
 
 	state->timebase = i;