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path: root/drivers/isdn/mISDN/dsp_dtmf.c
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Diffstat (limited to 'drivers/isdn/mISDN/dsp_dtmf.c')
-rw-r--r--drivers/isdn/mISDN/dsp_dtmf.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/isdn/mISDN/dsp_dtmf.c b/drivers/isdn/mISDN/dsp_dtmf.c
index efc371c1f0dc..9ae2d33b06f7 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;