commit 32b7a03a79c5978c491d772ad838d86812c69607
Author: Sylvain Munaut <tnt@246tNt.com>
Date:   Thu Aug 27 08:06:02 2009 +0200

    [abis_rsl] Set lchan->tch_mode properly when responding to CHAN_RQD
    
    This fixes the 'only first call works' problem that some of us were
    having with the nanoBTS.
    (the field just happenned to be 0 == GSM48_CMODE_SIGN after startup)
    
    Signed-off-by: Sylvain Munaut <tnt@246tNt.com>

diff --git a/openbsc/src/abis_rsl.c b/openbsc/src/abis_rsl.c
index 8cec2b6..7be1a6b 100644
--- a/openbsc/src/abis_rsl.c
+++ b/openbsc/src/abis_rsl.c
@@ -1085,6 +1085,7 @@ static int rsl_rx_chan_rqd(struct msgb *msg)
 	lchan->ms_power = ms_pwr_ctl_lvl(bts->band, bts->ms_max_power);
 	lchan->bs_power = 0; /* 0dB reduction, output power = Pn */
 	lchan->rsl_cmode = RSL_CMOD_SPD_SIGN;
+	lchan->tch_mode = GSM48_CMODE_SIGN;
 	rsl_chan_activate_lchan(lchan, 0x00, rqd_ta);
 
 	/* create IMMEDIATE ASSIGN 04.08 messge */