diff options
Diffstat (limited to 'backend/plustek-usbshading.c')
-rw-r--r-- | backend/plustek-usbshading.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/backend/plustek-usbshading.c b/backend/plustek-usbshading.c index c585c8b..f7eb619 100644 --- a/backend/plustek-usbshading.c +++ b/backend/plustek-usbshading.c @@ -685,7 +685,7 @@ static u_char usb_GetNewGain( Plustek_Device *dev, u_short wMax, int channel ) dwInc = (u_long)((0.93 + ceil (dRatio) * 0.067) * wMax / dAmp); dwDec = (u_long)((0.93 + floor (dRatio) * 0.067) * wMax / dAmp); if((dwInc >= 0xff00) || - (labs (dwInc - m_dwIdealGain) > labs(dwDec - m_dwIdealGain))) { + (dwInc - m_dwIdealGain > m_dwIdealGain - dwDec)) { bGain = (u_char)floor(dRatio); } else { bGain = (u_char)ceil(dRatio); |