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staging: echo: Trivial indentation changes

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Hi Greg,

 Please find patch attached .

Thanks,
 Rahul

Hi Greg,<br><br> Please find patch attached .<br><br>Thanks,<br> Rahul<br>

From ba1dbafaef1a87c1338c5bb0e6bba3be06071c90 Mon Sep 17 00:00:00 2001
From: Rahul Tank <rahul.tank@gmail.com>
Date: Sat, 14 May 2011 11:28:25 +0530
Subject: [PATCH] Trivial indentation cleanup
 Signed-off-by: Rahul Tank <rahul.tank@gmail.com>

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Rahul Tank 2011-05-14 11:31:42 +05:30 committed by Greg Kroah-Hartman
parent 1c6e79d992
commit 7a9aea511a
1 changed files with 15 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
drivers/staging/echo/echo.c
View file

@ -113,12 +113,10 @@
#define DTD_HANGOVER 600 /* 600 samples, or 75ms */
#define DC_LOG2BETA 3 /* log2() of DC filter Beta */
/* adapting coeffs using the traditional stochastic descent (N)LMS algorithm */
#ifdef __bfin__
static inline void lms_adapt_bg(struct oslec_state *ec, int clean,
int shift)
static inline void lms_adapt_bg(struct oslec_state *ec, int clean, int shift)
{
int i, j;
int offset1;
@ -189,8 +187,7 @@ static inline void lms_adapt_bg(struct oslec_state *ec, int clean,
*/
#else
static inline void lms_adapt_bg(struct oslec_state *ec, int clean,
int shift)
static inline void lms_adapt_bg(struct oslec_state *ec, int clean, int shift)
{
int i;
@ -225,7 +222,7 @@ static inline int top_bit(unsigned int bits)
if (bits == 0)
return -1;
else
return (int)fls((int32_t)bits)-1;
return (int)fls((int32_t) bits) - 1;
}
struct oslec_state *oslec_create(int len, int adaption_mode)
@ -279,6 +276,7 @@ struct oslec_state *oslec_create(int len, int adaption_mode)
kfree(ec);
return NULL;
}
EXPORT_SYMBOL_GPL(oslec_create);
void oslec_free(struct oslec_state *ec)
@ -292,12 +290,14 @@ void oslec_free(struct oslec_state *ec)
kfree(ec->snapshot);
kfree(ec);
}
EXPORT_SYMBOL_GPL(oslec_free);
void oslec_adaption_mode(struct oslec_state *ec, int adaption_mode)
{
ec->adaption_mode = adaption_mode;
}
EXPORT_SYMBOL_GPL(oslec_adaption_mode);
void oslec_flush(struct oslec_state *ec)
@ -324,12 +324,14 @@ void oslec_flush(struct oslec_state *ec)
ec->curr_pos = ec->taps - 1;
ec->Pstates = 0;
}
EXPORT_SYMBOL_GPL(oslec_flush);
void oslec_snapshot(struct oslec_state *ec)
{
memcpy(ec->snapshot, ec->fir_taps16[0], ec->taps * sizeof(int16_t));
}
EXPORT_SYMBOL_GPL(oslec_snapshot);
/* Dual Path Echo Canceller */
@ -404,11 +406,11 @@ int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx)
/* efficient "out with the old and in with the new" algorithm so
we don't have to recalculate over the whole block of
samples. */
new = (int)tx * (int)tx;
new = (int)tx *(int)tx;
old = (int)ec->fir_state.history[ec->fir_state.curr_pos] *
(int)ec->fir_state.history[ec->fir_state.curr_pos];
ec->Pstates +=
((new - old) + (1 << (ec->log2taps-1))) >> ec->log2taps;
((new - old) + (1 << (ec->log2taps - 1))) >> ec->log2taps;
if (ec->Pstates < 0)
ec->Pstates = 0;
}
@ -466,7 +468,7 @@ 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),
@ -514,7 +516,7 @@ int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx)
*/
ec->adapt = 1;
memcpy(ec->fir_taps16[0], ec->fir_taps16[1],
ec->taps * sizeof(int16_t));
ec->taps * sizeof(int16_t));
} else
ec->cond_met++;
} else
@ -601,6 +603,7 @@ int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx)
return (int16_t) ec->clean_nlp << 1;
}
EXPORT_SYMBOL_GPL(oslec_update);
/* This function is separated from the echo canceller is it is usually called
@ -625,7 +628,7 @@ EXPORT_SYMBOL_GPL(oslec_update);
giving very clean DC removal.
*/
int16_t oslec_hpf_tx(struct oslec_state *ec, int16_t tx)
int16_t oslec_hpf_tx(struct oslec_state * ec, int16_t tx)
{
int tmp, tmp1;
@ -654,6 +657,7 @@ int16_t oslec_hpf_tx(struct oslec_state *ec, int16_t tx)
return tx;
}
EXPORT_SYMBOL_GPL(oslec_hpf_tx);
MODULE_LICENSE("GPL");