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drivers: staging: rtl8187se: refactor/clean signal smoothing

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Signed-off-by: Axel Rasmussen <axel.rasmussen1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Axel Rasmussen 2014-03-04 00:12:50 -07:00 committed by Greg Kroah-Hartman
parent d11ca55da4
commit 6c76aab5bd
2 changed files with 20 additions and 13 deletions
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2
drivers/staging/rtl8187se/r8180.h
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@ -586,7 +586,7 @@ typedef struct r8180_priv {
/* High Power Mechanism. Added by amy, 080312. */
bool bToUpdateTxPwr;
long UndecoratedSmoothedSS;
long UndercorateSmoothedRxPower;
long UndecoratedSmoothedRxPower;
u8 RSSI;
char RxPower;
u8 InitialGain;

31
drivers/staging/rtl8187se/r8180_core.c
View File

@ -1143,23 +1143,30 @@ static long TranslateToDbm8185(u8 SignalStrengthIndex)
/*
* Perform signal smoothing for dynamic mechanism.
* This is different with PerformSignalSmoothing8185 in smoothing formula.
* No dramatic adjustion is apply because dynamic mechanism need some degree
* of correctness. Ported from 8187B.
* No dramatic adjustment is applied because dynamic mechanism need some
* degree of correctness. Ported from 8187B.
*/
static void PerformUndecoratedSignalSmoothing8185(struct r8180_priv *priv,
bool bCckRate)
{
/* Determin the current packet is CCK rate. */
long smoothedSS;
long smoothedRx;
/* Determine the current packet is CCK rate. */
priv->bCurCCKPkt = bCckRate;
if (priv->UndecoratedSmoothedSS >= 0)
priv->UndecoratedSmoothedSS = ((priv->UndecoratedSmoothedSS * 5) +
(priv->SignalStrength * 10)) / 6;
else
priv->UndecoratedSmoothedSS = priv->SignalStrength * 10;
smoothedSS = priv->SignalStrength * 10;
priv->UndercorateSmoothedRxPower = ((priv->UndercorateSmoothedRxPower * 50) +
(priv->RxPower * 11)) / 60;
if (priv->UndecoratedSmoothedSS >= 0)
smoothedSS = ((priv->UndecoratedSmoothedSS * 5) +
smoothedSS) / 6;
priv->UndecoratedSmoothedSS = smoothedSS;
smoothedRx = ((priv->UndecoratedSmoothedRxPower * 50) +
(priv->RxPower * 11)) / 60;
priv->UndecoratedSmoothedRxPower = smoothedRx;
if (bCckRate)
priv->CurCCKRSSI = priv->RSSI;
@ -1399,8 +1406,8 @@ static void rtl8180_rx(struct net_device *dev)
/* For good-looking singal strength. */
SignalStrengthIndex = NetgearSignalStrengthTranslate(
priv->LastSignalStrengthInPercent,
priv->SignalStrength);
priv->LastSignalStrengthInPercent,
priv->SignalStrength);
priv->LastSignalStrengthInPercent = SignalStrengthIndex;
priv->Stats_SignalStrength = TranslateToDbm8185((u8)SignalStrengthIndex);