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path: root/drivers/isdn/mISDN/dsp_ecdis.h
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Diffstat (limited to 'drivers/isdn/mISDN/dsp_ecdis.h')
-rw-r--r--drivers/isdn/mISDN/dsp_ecdis.h26
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/isdn/mISDN/dsp_ecdis.h b/drivers/isdn/mISDN/dsp_ecdis.h
index 21dbd153ee26..fed99ac7f6a4 100644
--- a/drivers/isdn/mISDN/dsp_ecdis.h
+++ b/drivers/isdn/mISDN/dsp_ecdis.h
@@ -46,15 +46,15 @@ struct ec_disable_detector_state {
static inline void
echo_can_disable_detector_init(struct ec_disable_detector_state *det)
{
- /* Elliptic notch */
- /* This is actually centred at 2095Hz, but gets the balance we want, due
- to the asymmetric walls of the notch */
+ /* Elliptic notch */
+ /* This is actually centred at 2095Hz, but gets the balance we want, due
+ to the asymmetric walls of the notch */
biquad2_init(&det->notch,
- (int32_t) (-0.7600000*32768.0),
- (int32_t) (-0.1183852*32768.0),
- (int32_t) (-0.5104039*32768.0),
- (int32_t) (0.1567596*32768.0),
- (int32_t) (1.0000000*32768.0));
+ (int32_t)(-0.7600000 * 32768.0),
+ (int32_t)(-0.1183852 * 32768.0),
+ (int32_t)(-0.5104039 * 32768.0),
+ (int32_t)(0.1567596 * 32768.0),
+ (int32_t)(1.0000000 * 32768.0));
det->channel_level = 0;
det->notch_level = 0;
@@ -67,7 +67,7 @@ echo_can_disable_detector_init(struct ec_disable_detector_state *det)
static inline int
echo_can_disable_detector_update(struct ec_disable_detector_state *det,
-int16_t amp)
+ int16_t amp)
{
int16_t notched;
@@ -82,13 +82,13 @@ int16_t amp)
det->notch_level += ((abs(notched) - det->notch_level) >> 4);
if (det->channel_level > 280) {
/* There is adequate energy in the channel.
- Is it mostly at 2100Hz? */
- if (det->notch_level*6 < det->channel_level) {
+ Is it mostly at 2100Hz? */
+ if (det->notch_level * 6 < det->channel_level) {
/* The notch says yes, so we have the tone. */
if (!det->tone_present) {
/* Do we get a kick every 450+-25ms? */
- if (det->tone_cycle_duration >= 425*8
- && det->tone_cycle_duration <= 475*8) {
+ if (det->tone_cycle_duration >= 425 * 8
+ && det->tone_cycle_duration <= 475 * 8) {
det->good_cycles++;
if (det->good_cycles > 2)
det->hit = TRUE;