diff options
Diffstat (limited to 'drivers/isdn/mISDN/dsp_core.c')
-rw-r--r-- | drivers/isdn/mISDN/dsp_core.c | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c index 1dc21d8..1d504ba 100644 --- a/drivers/isdn/mISDN/dsp_core.c +++ b/drivers/isdn/mISDN/dsp_core.c @@ -191,6 +191,8 @@ dsp_rx_off_member(struct dsp *dsp) struct mISDN_ctrl_req cq; int rx_off = 1; + memset(&cq, 0, sizeof(cq)); + if (!dsp->features_rx_off) return; @@ -249,6 +251,32 @@ dsp_rx_off(struct dsp *dsp) } } +/* enable "fill empty" feature */ +static void +dsp_fill_empty(struct dsp *dsp) +{ + struct mISDN_ctrl_req cq; + + memset(&cq, 0, sizeof(cq)); + + if (!dsp->ch.peer) { + if (dsp_debug & DEBUG_DSP_CORE) + printk(KERN_DEBUG "%s: no peer, no fill_empty\n", + __func__); + return; + } + cq.op = MISDN_CTRL_FILL_EMPTY; + cq.p1 = 1; + if (dsp->ch.peer->ctrl(dsp->ch.peer, CONTROL_CHANNEL, &cq)) { + printk(KERN_DEBUG "%s: CONTROL_CHANNEL failed\n", + __func__); + return; + } + if (dsp_debug & DEBUG_DSP_CORE) + printk(KERN_DEBUG "%s: %s set fill_empty = 1\n", + __func__, dsp->name); +} + static int dsp_control_req(struct dsp *dsp, struct mISDNhead *hh, struct sk_buff *skb) { @@ -593,8 +621,6 @@ get_features(struct mISDNchannel *ch) struct dsp *dsp = container_of(ch, struct dsp, ch); struct mISDN_ctrl_req cq; - if (dsp_options & DSP_OPT_NOHARDWARE) - return; if (!ch->peer) { if (dsp_debug & DEBUG_DSP_CORE) printk(KERN_DEBUG "%s: no peer, no features\n", @@ -610,6 +636,10 @@ get_features(struct mISDNchannel *ch) } if (cq.op & MISDN_CTRL_RX_OFF) dsp->features_rx_off = 1; + if (cq.op & MISDN_CTRL_FILL_EMPTY) + dsp->features_fill_empty = 1; + if (dsp_options & DSP_OPT_NOHARDWARE) + return; if ((cq.op & MISDN_CTRL_HW_FEATURES_OP)) { cq.op = MISDN_CTRL_HW_FEATURES; *((u_long *)&cq.p1) = (u_long)&dsp->features; @@ -865,6 +895,9 @@ dsp_function(struct mISDNchannel *ch, struct sk_buff *skb) if (dsp->dtmf.hardware || dsp->dtmf.software) dsp_dtmf_goertzel_init(dsp); get_features(ch); + /* enable fill_empty feature */ + if (dsp->features_fill_empty) + dsp_fill_empty(dsp); /* send ph_activate */ hh->prim = PH_ACTIVATE_REQ; if (ch->peer) |