diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-09 15:27:39 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-09 15:27:39 -0800 |
commit | 2fb585a10e421b4eeae066eb99080bd7e4512079 (patch) | |
tree | b8ca32933de26e9198490acfb5a4df093fdd8ef9 /drivers/isdn/mISDN/dsp_core.c | |
parent | 31aeb6c815549948571eec988ad9728c27d7a68d (diff) | |
parent | 69f52adb2d534afc41fcc658f155e01f0b322f9e (diff) |
Merge branch 'for_2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/kkeil/ISDN-2.6
* 'for_2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/kkeil/ISDN-2.6: (28 commits)
mISDN: Add HFC USB driver
mISDN: Add layer1 prim MPH_INFORMATION_REQ
mISDN: Fix kernel crash when doing hardware conference with more than two members
mISDN: Added missing create_l1() call
mISDN: Add MODULE_DEVICE_TABLE() to hfcpci
mISDN: Minor cleanups
mISDN: Create /sys/class/mISDN
mISDN: Add missing release functions
mISDN: Add different different timer settings for hfc-pci
mISDN: Minor fixes
mISDN: Correct busy device detection
mISDN: Fix deactivation, if peer IP is removed from l1oip instance.
mISDN: Add ISDN_P_TE_UP0 / ISDN_P_NT_UP0
mISDN: Fix irq detection
mISDN: Add ISDN sample clock API to mISDN core
mISDN: Return error on E-channel access
mISDN: Add E-Channel logging features
mISDN: Use protocol to detect D-channel
mISDN: Fixed more indexing bugs
mISDN: Make debug output a little bit more verbose
...
Diffstat (limited to 'drivers/isdn/mISDN/dsp_core.c')
-rw-r--r-- | drivers/isdn/mISDN/dsp_core.c | 55 |
1 files changed, 46 insertions, 9 deletions
diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c index 1dc21d80341..3083338716b 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) { @@ -273,8 +301,9 @@ dsp_control_req(struct dsp *dsp, struct mISDNhead *hh, struct sk_buff *skb) if (dsp_debug & DEBUG_DSP_CORE) printk(KERN_DEBUG "%s: start dtmf\n", __func__); if (len == sizeof(int)) { - printk(KERN_NOTICE "changing DTMF Threshold " - "to %d\n", *((int *)data)); + if (dsp_debug & DEBUG_DSP_CORE) + printk(KERN_NOTICE "changing DTMF Threshold " + "to %d\n", *((int *)data)); dsp->dtmf.treshold = (*(int *)data) * 10000; } /* init goertzel */ @@ -593,8 +622,6 @@ 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 +637,10 @@ 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; @@ -837,11 +868,14 @@ dsp_function(struct mISDNchannel *ch, struct sk_buff *skb) } if (dsp->hdlc) { /* hdlc */ - spin_lock_irqsave(&dsp_lock, flags); - if (dsp->b_active) { - skb_queue_tail(&dsp->sendq, skb); - schedule_work(&dsp->workq); + if (!dsp->b_active) { + ret = -EIO; + break; } + hh->prim = PH_DATA_REQ; + spin_lock_irqsave(&dsp_lock, flags); + skb_queue_tail(&dsp->sendq, skb); + schedule_work(&dsp->workq); spin_unlock_irqrestore(&dsp_lock, flags); return 0; } @@ -865,6 +899,9 @@ 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) @@ -1105,7 +1142,7 @@ static int dsp_init(void) } else { poll = 8; while (poll <= MAX_POLL) { - tics = poll * HZ / 8000; + tics = (poll * HZ) / 8000; if (tics * 8000 == poll * HZ) { dsp_tics = tics; dsp_poll = poll; |