diff options
| -rw-r--r-- | drivers/isdn/mISDN/dsp.h | 1 | ||||
| -rw-r--r-- | drivers/isdn/mISDN/dsp_core.c | 2 | ||||
| -rw-r--r-- | drivers/isdn/mISDN/dsp_dtmf.c | 3 |
3 files changed, 6 insertions, 0 deletions
diff --git a/drivers/isdn/mISDN/dsp.h b/drivers/isdn/mISDN/dsp.h index 564ea3efd5e..18af86879c0 100644 --- a/drivers/isdn/mISDN/dsp.h +++ b/drivers/isdn/mISDN/dsp.h @@ -116,6 +116,7 @@ struct dsp_conf { #define ECHOCAN_BUFF_MASK 0x3ff /* -1 */ struct dsp_dtmf { + int enable; /* dtmf is enabled */ int treshold; /* above this is dtmf (square of) */ int software; /* dtmf uses software decoding */ int hardware; /* dtmf uses hardware decoding */ diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c index c35750647c6..c12cd2f9425 100644 --- a/drivers/isdn/mISDN/dsp_core.c +++ b/drivers/isdn/mISDN/dsp_core.c @@ -306,6 +306,7 @@ dsp_control_req(struct dsp *dsp, struct mISDNhead *hh, struct sk_buff *skb) "to %d\n", *((int *)data)); dsp->dtmf.treshold = (*(int *)data) * 10000; } + dsp->dtmf.enable = 1; /* init goertzel */ dsp_dtmf_goertzel_init(dsp); @@ -316,6 +317,7 @@ dsp_control_req(struct dsp *dsp, struct mISDNhead *hh, struct sk_buff *skb) case DTMF_TONE_STOP: /* turn off DTMF */ if (dsp_debug & DEBUG_DSP_CORE) printk(KERN_DEBUG "%s: stop dtmf\n", __func__); + dsp->dtmf.enable = 0; dsp->dtmf.hardware = 0; dsp->dtmf.software = 0; break; diff --git a/drivers/isdn/mISDN/dsp_dtmf.c b/drivers/isdn/mISDN/dsp_dtmf.c index efc371c1f0d..9ae2d33b06f 100644 --- a/drivers/isdn/mISDN/dsp_dtmf.c +++ b/drivers/isdn/mISDN/dsp_dtmf.c @@ -51,6 +51,9 @@ void dsp_dtmf_hardware(struct dsp *dsp) { int hardware = 1; + if (!dsp->dtmf.enable) + return; + if (!dsp->features.hfc_dtmf) hardware = 0; |