decode QMUX logs using libqmi-glib
diff --git a/src/qmi_decode.c b/src/qmi_decode.c
new file mode 100644
index 0000000..23af90e
--- /dev/null
+++ b/src/qmi_decode.c
@@ -0,0 +1,27 @@
+#include <stdint.h>
+#include <stdio.h>
+
+#include <libqmi-glib.h>
+
+int dump_qmi_msg(const uint8_t *data, unsigned int len)
+{
+	GByteArray *buffer;
+	GError *error = NULL;
+	QmiMessage *message;
+	gchar *printable;
+
+	buffer = g_byte_array_sized_new(len);
+	g_byte_array_append(buffer, data, len);
+
+	message = qmi_message_new_from_raw(buffer, &error);
+	if (!message) {
+		fprintf(stderr, "qmi_message_new_from_raw() returned NULL\n");
+		return -1;
+	}
+
+	printable = qmi_message_get_printable(message, "QMI ");
+	fputs(printable, stdout);
+	g_free(printable);
+
+	return 0;
+}