atmodem: Send DTMF commands without quotes

The AT+VTS command takes a single character and should not use quotes.

diff --git a/drivers/atmodem/voicecall.c b/drivers/atmodem/voicecall.c
index 8b43865..b3c658f 100644 (file)
--- a/drivers/atmodem/voicecall.c
+++ b/drivers/atmodem/voicecall.c
@@ -545,16 +545,15 @@ static void at_send_dtmf(struct ofono_voicecall *vc, const char *dtmf,
        if (!cbd)
                goto error;
 
-       /* strlen("+VTS=\"T\";") = 9 + initial AT + null */
+       /* strlen("+VTS=T;") = 7 + initial AT + null */
        buf = g_try_new(char, len * 9 + 3);
-
        if (!buf)
                goto error;
 
-       s = sprintf(buf, "AT+VTS=\"%c\"", dtmf[0]);
+       s = sprintf(buf, "AT+VTS=%c", dtmf[0]);
 
        for (i = 1; i < len; i++)
-               s += sprintf(buf + s, ";+VTS=\"%c\"", dtmf[i]);
+               s += sprintf(buf + s, ";+VTS=%c", dtmf[i]);
 
        s = g_at_chat_send(vd->chat, buf, none_prefix,
                                vts_cb, cbd, g_free);