diff options
Diffstat (limited to 'drivers/dahdi/dahdi_echocan_mg2.c')
| -rw-r--r-- | drivers/dahdi/dahdi_echocan_mg2.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/dahdi/dahdi_echocan_mg2.c b/drivers/dahdi/dahdi_echocan_mg2.c index b365f78..6ca0860 100644 --- a/drivers/dahdi/dahdi_echocan_mg2.c +++ b/drivers/dahdi/dahdi_echocan_mg2.c @@ -425,6 +425,8 @@ static inline short sample_update(struct echo_can_state *ec, short iref, short i * we should pass it through uncancelled, as we are likely on hold */ u = isig; } else { + int sign_error; + if (rs < -32768) { rs = -32768; ec->HCNTR_d = DEFAULT_HANGT; @@ -435,7 +437,9 @@ static inline short sample_update(struct echo_can_state *ec, short iref, short i RESTORE_COEFFS; } - if (ABS(ABS(rs)-ABS(isig)) > MAX_SIGN_ERROR) + sign_error = ABS(rs) - ABS(isig); + + if (ABS(sign_error) > MAX_SIGN_ERROR) { rs = 0; RESTORE_COEFFS; |