1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/mISDNdsp.h b/include/linux/mISDNdsp.h
index 2c483d45f141..41d1eeb9b3bd 100644
--- a/include/linux/mISDNdsp.h
+++ b/include/linux/mISDNdsp.h
@@ -25,6 +25,7 @@ extern void mISDN_dsp_element_unregister(struct mISDN_dsp_element *elem);
 struct dsp_features {
         int     hfc_id; /* unique id to identify the chip (or -1) */
         int     hfc_dtmf; /* set if HFCmulti card supports dtmf */
+        int     hfc_conf; /* set if HFCmulti card supports conferences */
         int     hfc_loops; /* set if card supports tone loops */
         int     hfc_echocanhw; /* set if card supports echocancelation*/
         int     pcm_id; /* unique id to identify the pcm bus (or -1) */