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Diffstat (limited to 'drivers/staging/echo/echo.c')
| -rw-r--r-- | drivers/staging/echo/echo.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/staging/echo/echo.c b/drivers/staging/echo/echo.c index 548365c..4cc4f2e 100644 --- a/drivers/staging/echo/echo.c +++ b/drivers/staging/echo/echo.c @@ -220,12 +220,12 @@ static inline void lms_adapt_bg(struct oslec_state *ec, int clean, } #endif -static __inline__ int top_bit(unsigned int bits) +static inline int top_bit(unsigned int bits) { if (bits == 0) - return -1; - else - return (int)fls((int32_t)bits)-1; + return -1; + else + return (int)fls((int32_t)bits)-1; } struct oslec_state *oslec_create(int len, int adaption_mode) @@ -466,7 +466,7 @@ int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx) factor = (2^30) * (2^-2) * clean_bg_rx/P - (30 - 2 - log2(P)) + (30 - 2 - log2(P)) factor = clean_bg_rx 2 ----- (3) To avoid a divide we approximate log2(P) as top_bit(P), |