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/*
* Copyright (c) 2008-2009 NVIDIA Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the NVIDIA Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
/**
* @file Nvodm_Kbc.c
* @brief <b>KBC odm implementation</b>
*
* @Description : Implementation of the odm KBC API
*/
#include "nvodm_kbc.h"
#define KEYPAD_HAS_DIODES 1
NvU32
NvOdmKbcFilterKeys(
NvU32 *pRows,
NvU32 *pCols,
NvU32 NumOfKeysPressed)
{
#if KEYPAD_HAS_DIODES
return NumOfKeysPressed;
#else
NvU32 i=0;
NvU32 j=0;
NvU32 k=0;
NvU32 FilterKeys[2] = {0};
NvBool IsFiltered = NV_FALSE;
NvU32 NewKeyPressCount = NumOfKeysPressed;
if (NumOfKeysPressed <= 3)
{
for (i=0; i<NumOfKeysPressed; i++)
{
for (j=(i+1); j<NumOfKeysPressed; j++)
{
if ((pRows[i]+1==pRows[j])||(pRows[j]+1==pRows[i]))
{
for (k=j; i<(NumOfKeysPressed - 1); i++)
{
pRows[k] = pRows[k+1];
pCols[k] = pCols[k+1];
}
NumOfKeysPressed--;
}
if ((pCols[i]+1==pCols[j])||(pCols[j]+1==pCols[i]))
{
for (k=j; i<(NumOfKeysPressed - 1); i++)
{
pRows[k] = pRows[k+1];
pCols[k] = pCols[k+1];
}
NumOfKeysPressed--;
}
}
}
return NumOfKeysPressed;
}
for (i=0; i<NumOfKeysPressed; i++)
{
for (j=(i+1); j<NumOfKeysPressed; j++)
{
if (pRows[i] == pRows[j])
{
for (k=0; k<NumOfKeysPressed; k++)
{
if (k == i)
continue;
if(pCols[i] == pCols[k])
{
FilterKeys[0] = k;
IsFiltered = NV_TRUE;
}
}
for (k=0; k<NumOfKeysPressed; k++)
{
if (k == j)
continue;
if (pCols[j] == pCols[k])
{
FilterKeys[1] = k;
IsFiltered = NV_TRUE;
}
}
goto end;
}
}
}
end:
if (IsFiltered)
{
for (i=FilterKeys[0]; i<(NumOfKeysPressed - 1); i++)
{
pRows[i] = pRows[i+1];
pCols[i] = pCols[i+1];
}
NewKeyPressCount--;
for (i=FilterKeys[1]; i<(NumOfKeysPressed - 1); i++)
{
pRows[i] = pRows[i+1];
pCols[i] = pCols[i+1];
}
NewKeyPressCount--;
}
NumOfKeysPressed = NewKeyPressCount;
return NewKeyPressCount;
#endif
}
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