2 files changed, 8 insertions, 5 deletions

diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index 160568b..f808960 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -556,6 +556,8 @@ bool ODevice::setDisplayStatus ( bool on )
 
 /**
  * This sets the display brightness
+ *
+ * @param p The brightness to be set on a scale from 0 to 255
  * @return success or failure
  */
 bool ODevice::setDisplayBrightness ( int p)
@@ -565,7 +567,8 @@ bool ODevice::setDisplayBrightness ( int p)
 }
 
 /**
- * @return return the max value for the brightness settings slider
+ * @return returns the number of steppings on the brightness slider
+ * in the Light-'n-Power settings.
  */
 int ODevice::displayBrightnessResolution ( ) const
 {
@@ -574,6 +577,7 @@ int ODevice::displayBrightnessResolution ( ) const
 
 /**
  * This sets the display contrast
+ * @param p The contrast to be set on a scale from 0 to 255
  * @return success or failure
  */
 bool ODevice::setDisplayContrast ( int p)
@@ -2070,13 +2074,13 @@ bool Ramses::setDisplayContrast(int contr)
         bool res = false;
         int fd;
 
-        // pwm0 contrast: 35 steps 65..100 (dunkel->hell)
+        // pwm0 contrast: 20 steps 79..90 (dunkel->hell)
 
         if (contr > 255 )
                 contr = 255;
         if (contr < 0)
                 contr = 0;
-        contr = 65 + (contr * 350 / 255);
+        contr = 90 - (contr * 20 / 255);
 
         if ((fd = ::open("/proc/sys/board/pwm0", O_WRONLY)) >= 0) {
                 qDebug(" %d -> pwm0", contr);
@@ -2094,5 +2098,5 @@ bool Ramses::setDisplayContrast(int contr)
 
 int Ramses::displayContrastResolution() const
 {
-        return 32;
+        return 20;
 }
diff --git a/libopie/odevice.h b/libopie/odevice.h
index 6c4830e..0974e8d 100644
--- a/libopie/odevice.h
+++ b/libopie/odevice.h
@@ -129,7 +129,6 @@ enum ODirection {
  * like the Hardware used, LEDs, the Base Distribution and
  * hardware key mappings.
  *
- *
  * @short A small class for device specefic options
  * @see QObject
  * @author Robert Griebl