1 files changed, 140 insertions, 85 deletions

diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index d86654e..160568b 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -59,165 +59,167 @@ public:
         QString m_vendorstr;
         OVendor m_vendor;
 
         QString m_modelstr;
         OModel m_model;
 
         QString m_systemstr;
         OSystem m_system;
 
         QString m_sysverstr;
 
         Transformation m_rotation;
         ODirection m_direction;
 
         QValueList <ODeviceButton> *m_buttons;
         uint                        m_holdtime;
 };
 
 
 class iPAQ : public ODevice, public QWSServer::KeyboardFilter {
 protected:
         virtual void init ( );
         virtual void initButtons ( );
 
 public:
         virtual bool setSoftSuspend ( bool soft );
 
         virtual bool setDisplayBrightness ( int b );
         virtual int displayBrightnessResolution ( ) const;
 
         virtual void alarmSound ( );
 
-    virtual QValueList <OLed> ledList ( ) const;
+        virtual QValueList <OLed> ledList ( ) const;
         virtual QValueList <OLedState> ledStateList ( OLed led ) const;
         virtual OLedState ledState ( OLed led ) const;
         virtual bool setLedState ( OLed led, OLedState st );
 
         virtual bool hasLightSensor ( ) const;
         virtual int readLightSensor ( );
         virtual int lightSensorResolution ( ) const;
 
 protected:
         virtual bool filter ( int unicode, int keycode, int modifiers, bool isPress, bool autoRepeat );
         virtual void timerEvent ( QTimerEvent *te );
 
         int m_power_timer;
 
         OLedState m_leds [2];
 };
 
 class Zaurus : public ODevice {
 protected:
         virtual void init ( );
         virtual void initButtons ( );
 
 public:
         virtual bool setSoftSuspend ( bool soft );
 
         virtual bool setDisplayBrightness ( int b );
         virtual int displayBrightnessResolution ( ) const;
 
         virtual void alarmSound ( );
         virtual void keySound ( );
         virtual void touchSound ( );
 
-    virtual QValueList <OLed> ledList ( ) const;
+        virtual QValueList <OLed> ledList ( ) const;
         virtual QValueList <OLedState> ledStateList ( OLed led ) const;
         virtual OLedState ledState ( OLed led ) const;
         virtual bool setLedState ( OLed led, OLedState st );
 
 protected:
         virtual void buzzer ( int snd );
 
         OLedState m_leds [1];
 };
 
 class SIMpad : public ODevice, public QWSServer::KeyboardFilter {
 protected:
         virtual void init ( );
         virtual void initButtons ( );
 
 public:
         virtual bool setSoftSuspend ( bool soft );
         virtual bool suspend();
 
         virtual bool setDisplayStatus( bool on );
         virtual bool setDisplayBrightness ( int b );
         virtual int displayBrightnessResolution ( ) const;
 
         virtual void alarmSound ( );
 
-    virtual QValueList <OLed> ledList ( ) const;
+        virtual QValueList <OLed> ledList ( ) const;
         virtual QValueList <OLedState> ledStateList ( OLed led ) const;
         virtual OLedState ledState ( OLed led ) const;
         virtual bool setLedState ( OLed led, OLedState st );
 
 protected:
         virtual bool filter ( int unicode, int keycode, int modifiers, bool isPress, bool autoRepeat );
         virtual void timerEvent ( QTimerEvent *te );
 
         int m_power_timer;
 
         OLedState m_leds [1]; //FIXME check if really only one
 };
 
 class Ramses : public ODevice, public QWSServer::KeyboardFilter {
 protected:
         virtual void init ( );
-        virtual void initButtons ( );
 
 public:
         virtual bool setSoftSuspend ( bool soft );
+        virtual bool suspend ( );
 
         virtual bool setDisplayStatus( bool on );
         virtual bool setDisplayBrightness ( int b );
         virtual int displayBrightnessResolution ( ) const;
+        virtual bool setDisplayContrast ( int b );
+        virtual int displayContrastResolution ( ) const;
 
 protected:
         virtual bool filter ( int unicode, int keycode, int modifiers, bool isPress, bool autoRepeat );
         virtual void timerEvent ( QTimerEvent *te );
 
         int m_power_timer;
 };
 
 struct i_button {
         uint model;
-    Qt::Key code;
-    char *utext;
-    char *pix;
-    char *fpressedservice;
-    char *fpressedaction;
-    char *fheldservice;
-    char *fheldaction;
+        Qt::Key code;
+        char *utext;
+        char *pix;
+        char *fpressedservice;
+        char *fpressedaction;
+        char *fheldservice;
+        char *fheldaction;
 } ipaq_buttons [] = {
     { Model_iPAQ_H31xx | Model_iPAQ_H36xx | Model_iPAQ_H37xx | Model_iPAQ_H38xx | Model_iPAQ_H39xx,
     Qt::Key_F9, QT_TRANSLATE_NOOP("Button", "Calendar Button"),
         "devicebuttons/ipaq_calendar",
         "datebook", "nextView()",
         "today", "raise()" },
     { Model_iPAQ_H31xx | Model_iPAQ_H36xx | Model_iPAQ_H37xx | Model_iPAQ_H38xx | Model_iPAQ_H39xx,
     Qt::Key_F10, QT_TRANSLATE_NOOP("Button", "Contacts Button"),
         "devicebuttons/ipaq_contact",
         "addressbook", "raise()",
         "addressbook", "beamBusinessCard()" },
     { Model_iPAQ_H31xx | Model_iPAQ_H36xx | Model_iPAQ_H37xx,
     Qt::Key_F11, QT_TRANSLATE_NOOP("Button", "Menu Button"),
         "devicebuttons/ipaq_menu",
          "QPE/TaskBar", "toggleMenu()",
         "QPE/TaskBar", "toggleStartMenu()" },
     { Model_iPAQ_H38xx | Model_iPAQ_H39xx,
     Qt::Key_F13, QT_TRANSLATE_NOOP("Button", "Mail Button"),
         "devicebuttons/ipaq_mail",
         "mail", "raise()",
         "mail", "newMail()" },
     { Model_iPAQ_H31xx | Model_iPAQ_H36xx | Model_iPAQ_H37xx | Model_iPAQ_H38xx | Model_iPAQ_H39xx,
     Qt::Key_F12, QT_TRANSLATE_NOOP("Button", "Home Button"),
         "devicebuttons/ipaq_home",
         "QPE/Launcher", "home()",
         "buttonsettings", "raise()" },
     { Model_iPAQ_H31xx | Model_iPAQ_H36xx | Model_iPAQ_H37xx | Model_iPAQ_H38xx | Model_iPAQ_H39xx,
     Qt::Key_F24, QT_TRANSLATE_NOOP("Button", "Record Button"),
         "devicebuttons/ipaq_record",
         "QPE/VMemo", "toggleRecord()",
         "sound", "raise()" },
 };
@@ -324,65 +326,65 @@ struct s_button {
     "QPE/TaskBar", "toggleStartMenu()" },
     { Model_SIMpad_CL4 | Model_SIMpad_SL4 | Model_SIMpad_SLC | Model_SIMpad_TSinus,
     Qt::Key_F13, QT_TRANSLATE_NOOP("Button", "Upper+Left"),
     "devicebuttons/simpad_upper_left",
     "QPE/Rotation", "flip()",
     "QPE/Rotation", "flip()" },
     /*
     { Model_SIMpad_CL4 | Model_SIMpad_SL4 | Model_SIMpad_SLC | Model_SIMpad_TSinus,
     Qt::Key_F12, QT_TRANSLATE_NOOP("Button", "Lower+Upper"),
     "devicebuttons/simpad_lower_upper",
     "QPE/Launcher", "home()",
     "buttonsettings", "raise()" },
     { Model_SIMpad_CL4 | Model_SIMpad_SL4 | Model_SIMpad_SLC | Model_SIMpad_TSinus,
     Qt::Key_F12, QT_TRANSLATE_NOOP("Button", "Lower+Upper"),
     "devicebuttons/simpad_upper_lower",
     "QPE/Launcher", "home()",
     "buttonsettings", "raise()" },
     */
 };
 
 struct r_button {
         uint model;
     Qt::Key code;
     char *utext;
     char *pix;
     char *fpressedservice;
     char *fpressedaction;
     char *fheldservice;
     char *fheldaction;
 } ramses_buttons [] = {
     { Model_Ramses_MNCI,
     Qt::Key_F11, QT_TRANSLATE_NOOP("Button", "Menu Button"),
-        "devicebuttons/simpad_menu",
+        "devicebuttons/z_menu",
          "QPE/TaskBar", "toggleMenu()",
         "QPE/TaskBar", "toggleStartMenu()" },
     { Model_Ramses_MNCI,
     Qt::Key_F12, QT_TRANSLATE_NOOP("Button", "Home Button"),
         "devicebuttons/ipaq_home",
         "QPE/Launcher", "home()",
         "buttonsettings", "raise()" },
 };
 
 static QCString makeChannel ( const char *str )
 {
         if ( str && !::strchr ( str, '/' ))
                 return QCString ( "QPE/Application/" ) + str;
         else
                 return str;
 }
 
 static inline bool isQWS()
 {
         return qApp ? ( qApp-> type ( ) == QApplication::GuiServer ) : false;
 }
 
 ODevice *ODevice::inst ( )
 {
         static ODevice *dev = 0;
 
         if ( !dev ) {
                 if ( QFile::exists ( "/proc/hal/model" ))
                         dev = new iPAQ ( );
                 else if ( QFile::exists ( "/dev/sharp_buz" ) || QFile::exists ( "/dev/sharp_led" ))
                         dev = new Zaurus ( );
                 else if ( QFile::exists ( "/proc/ucb1x00" ) && QFile::exists ( "/proc/cs3" ))
@@ -464,136 +466,161 @@ void ODevice::initButtons ( )
 
         QCopChannel *sysch = new QCopChannel ( "QPE/System", this );
         connect ( sysch, SIGNAL( received( const QCString &, const QByteArray & )), this, SLOT( systemMessage ( const QCString &, const QByteArray & )));
 }
 
 ODevice::~ODevice ( )
 {
         delete d;
 }
 
 bool ODevice::setSoftSuspend ( bool /*soft*/ )
 {
         return false;
 }
 
 //#include <linux/apm_bios.h>
 
 #define APM_IOC_SUSPEND          OD_IO( 'A', 2 )
 
 /**
  * This method will try to suspend the device
  * It only works if the user is the QWS Server and the apm application
  * is installed.
  * It tries to suspend and then waits some time cause some distributions
  * do have asynchronus apm implementations.
  * This method will either fail and return false or it'll suspend the
  * device and return once the device got woken up
  *
  * @return if the device got suspended
  */
 bool ODevice::suspend ( )
 {
+        qDebug("ODevice::suspend");
         if ( !isQWS( ) ) // only qwsserver is allowed to suspend
                 return false;
 
         if ( d-> m_model == Model_Unknown ) // better don't suspend in qvfb / on unkown devices
                 return false;
 
         bool res = false;
 
         struct timeval tvs, tvn;
         ::gettimeofday ( &tvs, 0 );
 
         ::sync ( ); // flush fs caches
         res = ( ::system ( "apm --suspend" ) == 0 );
 
         // This is needed because the iPAQ apm implementation is asynchronous and we
         // can not be sure when exactly the device is really suspended
         // This can be deleted as soon as a stable familiar with a synchronous apm implementation exists.
 
         if ( res ) {
                 do { // wait at most 1.5 sec: either suspend didn't work or the device resumed
                         ::usleep ( 200 * 1000 );
                         ::gettimeofday ( &tvn, 0 );
                 } while ((( tvn. tv_sec - tvs. tv_sec ) * 1000 + ( tvn. tv_usec - tvs. tv_usec ) / 1000 ) < 1500 );
         }
 
         return res;
 }
 
 //#include <linux/fb.h> better not rely on kernel headers in userspace ...
 
 #define FBIOBLANK             OD_IO( 'F', 0x11 ) // 0x4611
 
 /* VESA Blanking Levels */
 #define VESA_NO_BLANKING      0
 #define VESA_VSYNC_SUSPEND    1
 #define VESA_HSYNC_SUSPEND    2
 #define VESA_POWERDOWN        3
 
 /**
  * This sets the display on or off
  */
 bool ODevice::setDisplayStatus ( bool on )
 {
+        qDebug("ODevice::setDisplayStatus(%d)", on);
+
         if ( d-> m_model == Model_Unknown )
                 return false;
 
         bool res = false;
         int fd;
 
         if (( fd = ::open ( "/dev/fb0", O_RDWR )) >= 0 ) {
                 res = ( ::ioctl ( fd, FBIOBLANK, on ? VESA_NO_BLANKING : VESA_POWERDOWN ) == 0 );
                 ::close ( fd );
         }
         return res;
 }
 
 /**
  * This sets the display brightness
  * @return success or failure
  */
 bool ODevice::setDisplayBrightness ( int p)
 {
         Q_UNUSED( p )
         return false;
 }
 
+/**
+ * @return return the max value for the brightness settings slider
+ */
 int ODevice::displayBrightnessResolution ( ) const
 {
         return 16;
 }
 
 /**
+ * This sets the display contrast
+ * @return success or failure
+ */
+bool ODevice::setDisplayContrast ( int p)
+{
+        Q_UNUSED( p )
+        return false;
+}
+
+/**
+ * @return return the max value for the brightness settings slider
+ *         or 0 if the device doesn't support setting of a contrast
+ */
+int ODevice::displayContrastResolution ( ) const
+{
+        return 0;
+}
+
+/**
  * This returns the vendor as string
  * @return Vendor as QString
  */
 QString ODevice::vendorString ( ) const
 {
         return d-> m_vendorstr;
 }
 
 /**
  * This returns the vendor as one of the values of OVendor
  * @return OVendor
  */
 OVendor ODevice::vendor ( ) const
 {
         return d-> m_vendor;
 }
 
 /**
  * This returns the model as a string
  * @return A string representing the model
  */
 QString ODevice::modelString ( ) const
 {
         return d-> m_modelstr;
 }
 
 /**
  * This does return the OModel used
  */
 OModel ODevice::model ( ) const
 {
         return d-> m_model;
@@ -641,65 +668,64 @@ ODirection ODevice::direction ( ) const
 
 /**
  * This plays an alarmSound
  */
 void ODevice::alarmSound ( )
 {
 #ifndef QT_NO_SOUND
         static Sound snd ( "alarm" );
 
         if ( snd. isFinished ( ))
                 snd. play ( );
 #endif
 }
 
 /**
  * This plays a key sound
  */
 void ODevice::keySound ( )
 {
 #ifndef QT_NO_SOUND
         static Sound snd ( "keysound" );
 
         if ( snd. isFinished ( ))
                 snd. play ( );
 #endif
 }
 
 /**
  * This plays a touch sound
  */
 void ODevice::touchSound ( )
 {
-
 #ifndef QT_NO_SOUND
         static Sound snd ( "touchsound" );
 
         if ( snd. isFinished ( ))
                 snd. play ( );
 #endif
 }
 
 /**
  * This method will return a list of leds
  * available on this device
  * @return a list of LEDs.
  */
 QValueList <OLed> ODevice::ledList ( ) const
 {
         return QValueList <OLed> ( );
 }
 
 /**
  * This does return the state of the LEDs
  */
 QValueList <OLedState> ODevice::ledStateList ( OLed /*which*/ ) const
 {
         return QValueList <OLedState> ( );
 }
 
 /**
  * @return the state for a given OLed
  */
 OLedState ODevice::ledState ( OLed /*which*/ ) const
 {
         return Led_Off;
@@ -1864,180 +1890,209 @@ bool SIMpad::setDisplayBrightness ( int bright )
                 const int mask = SIMPAD_BACKLIGHT_MASK;
                 value = value << 8;
                 value += mask;
                 char writeCommand[100];
                 const int count = sprintf( writeCommand, "0x%x\n", value );
                 res = ( ::write ( fd, writeCommand, count ) != -1 );
                 ::close ( fd );
         }
         return res;
 }
 
 
 int SIMpad::displayBrightnessResolution ( ) const
 {
         switch ( model ( )) {
                 case Model_SIMpad_CL4:
                 case Model_SIMpad_SL4:
                 case Model_SIMpad_SLC:
                 case Model_SIMpad_TSinus:
                         return 255; //TODO find out if this is save
 
                 default:
                         return 2;
         }
 }
 
 /**************************************************
  *
  * Ramses
  *
  **************************************************/
 
-void Ramses::init ( )
+void Ramses::init()
 {
         d->m_vendorstr = "M und N";
         d->m_vendor = Vendor_MundN;
 
-        QFile f( "/proc/sys/board/ramses" );
+        QFile f("/proc/sys/board/ramses");
 
         d->m_modelstr = "Ramses";
         d->m_model = Model_Ramses_MNCI;
 
-        d->m_rotation = Rot180;
-        d->m_direction = CCW;
+        d->m_rotation = Rot0;
         d->m_holdtime = 1000;
 
-        f.setName( "/etc/oz_version" );
+        f.setName("/etc/oz_version");
 
-        if ( f.open( IO_ReadOnly )) {
+        if (f.open(IO_ReadOnly)) {
                    d->m_systemstr = "OpenEmbedded/Ramses";
                     d->m_system = System_OpenZaurus;
 
-                QTextStream ts ( &f );
-                ts.setDevice ( &f );
-                d->m_sysverstr = ts.readLine ( );
-                f.close ( );
+                QTextStream ts(&f);
+                ts.setDevice(&f);
+                d->m_sysverstr = ts.readLine();
+                f.close();
         }
 
         m_power_timer = 0;
 
 }
 
-void Ramses::initButtons ( )
+bool Ramses::filter(int /*unicode*/, int keycode, int modifiers, bool isPress, bool autoRepeat)
 {
-        if ( d->m_buttons )
-                return;
-
-        if ( isQWS( ) )
-                QWSServer::setKeyboardFilter ( this );
-
-        d->m_buttons = new QValueList <ODeviceButton>;
-
-        for ( uint i = 0; i < ( sizeof( ramses_buttons ) / sizeof( s_button )); i++ ) {
-                r_button *rb = ramses_buttons + i;
-                ODeviceButton b;
-
-                if (( rb->model & d->m_model ) == d->m_model ) {
-                        b.setKeycode( rb->code );
-                        b.setUserText( QObject::tr ( "Button", rb->utext ));
-                        b.setPixmap( Resource::loadPixmap ( rb->pix ));
-                        b.setFactoryPresetPressedAction( OQCopMessage ( makeChannel ( rb->fpressedservice ), rb->fpressedaction ));
-                        b.setFactoryPresetHeldAction( OQCopMessage ( makeChannel ( rb->fheldservice ), rb->fheldaction ));
-
-                        d->m_buttons->append( b );
-                }
-        }
-        reloadButtonMapping();
-
-        QCopChannel *sysch = new QCopChannel ( "QPE/System", this );
-        connect ( sysch, SIGNAL( received( const QCString &, const QByteArray & )), this, SLOT( systemMessage ( const QCString &, const QByteArray & )));
-}
-
-bool Ramses::filter ( int /*unicode*/, int keycode, int modifiers, bool isPress, bool autoRepeat )
-{
-        //TODO
+        Q_UNUSED( keycode );
+        Q_UNUSED( modifiers );
+        Q_UNUSED( isPress );
+        Q_UNUSED( autoRepeat );
         return false;
 }
 
-void Ramses::timerEvent ( QTimerEvent * )
+void Ramses::timerEvent(QTimerEvent *)
 {
-        killTimer ( m_power_timer );
+        killTimer(m_power_timer);
         m_power_timer = 0;
-        QWSServer::sendKeyEvent ( -1, HardKey_Backlight, 0, true, false );
-        QWSServer::sendKeyEvent ( -1, HardKey_Backlight, 0, false, false );
+        QWSServer::sendKeyEvent(-1, HardKey_Backlight, 0, true, false);
+        QWSServer::sendKeyEvent(-1, HardKey_Backlight, 0, false, false);
 }
 
 
-bool Ramses::setSoftSuspend ( bool soft )
+bool Ramses::setSoftSuspend(bool soft)
 {
+        qDebug("Ramses::setSoftSuspend(%d)", soft);
+#if 0
         bool res = false;
         int fd;
 
-        if ((( fd = ::open ( "/dev/apm_bios", O_RDWR )) >= 0 ) ||
-        (( fd = ::open ( "/dev/misc/apm_bios",O_RDWR )) >= 0 )) {
+        if (((fd = ::open("/dev/apm_bios", O_RDWR)) >= 0) ||
+        ((fd = ::open("/dev/misc/apm_bios",O_RDWR)) >= 0)) {
 
-                int sources = ::ioctl ( fd, APM_IOCGEVTSRC, 0 ); // get current event sources
+                int sources = ::ioctl(fd, APM_IOCGEVTSRC, 0); // get current event sources
 
-                if ( sources >= 0 ) {
-                        if ( soft )
+                if (sources >= 0) {
+                        if (soft)
                                 sources &= ~APM_EVT_POWER_BUTTON;
                         else
                                 sources |= APM_EVT_POWER_BUTTON;
 
-                        if ( ::ioctl ( fd, APM_IOCSEVTSRC, sources ) >= 0 ) // set new event sources
+                        if (::ioctl(fd, APM_IOCSEVTSRC, sources) >= 0) // set new event sources
                                 res = true;
                         else
-                                perror ( "APM_IOCGEVTSRC" );
+                                perror("APM_IOCGEVTSRC");
                 }
                 else
-                        perror ( "APM_IOCGEVTSRC" );
+                        perror("APM_IOCGEVTSRC");
 
-                ::close ( fd );
+                ::close(fd);
         }
         else
-                perror ( "/dev/apm_bios or /dev/misc/apm_bios" );
+                perror("/dev/apm_bios or /dev/misc/apm_bios");
 
     return res;
+#else
+    return true;
+#endif
+}
+
+bool Ramses::suspend ( )
+{
+        qDebug("Ramses::suspend");
 }
 
 /**
  * This sets the display on or off
  */
-bool Ramses::setDisplayStatus ( bool on )
+bool Ramses::setDisplayStatus(bool on)
 {
+        qDebug("Ramses::setDisplayStatus(%d)", on);
+#if 0
         bool res = false;
         int fd;
 
-        if (( fd = ::open ( "/dev/fb/0", O_RDWR )) >= 0 ) {
-                res = ( ::ioctl ( fd, FBIOBLANK, on ? VESA_NO_BLANKING : VESA_POWERDOWN ) == 0 );
-                ::close ( fd );
+        if ((fd = ::open ("/dev/fb/0", O_RDWR)) >= 0) {
+                res = (::ioctl(fd, FBIOBLANK, on ? VESA_NO_BLANKING : VESA_POWERDOWN) == 0);
+                ::close(fd);
         }
         return res;
+#else
+        return true;
+#endif
 }
 
 
-bool Ramses::setDisplayBrightness ( int bright )
+/*
+ * We get something between 0..255 into us
+*/
+bool Ramses::setDisplayBrightness(int bright)
 {
-        qDebug( "ODevice for Ramses: setDisplayBrightness( %d )", bright );
+        qDebug("Ramses::setDisplayBrightness(%d)", bright);
         bool res = false;
         int fd;
 
-        if ( bright > 255 )
-                bright = 100;
-        if ( bright < 0 )
+        // pwm1 brighness: 20 steps 500..0 (dunkel->hell)
+
+        if (bright > 255 )
+                bright = 255;
+        if (bright < 0)
                 bright = 0;
+        bright = 500-(bright * 500 / 255);
 
-        if (( fd = ::open ( "/proc/sys/board/pwm0", O_WRONLY )) >= 0 ) {
+        if ((fd = ::open("/proc/sys/board/pwm1", O_WRONLY)) >= 0) {
+                qDebug(" %d -> pwm1", bright);
                 char writeCommand[100];
-                const int count = sprintf( writeCommand, "%d\n", bright);
-                res = ( ::write ( fd, writeCommand, count ) != -1 );
-                ::close ( fd );
+                const int count = sprintf(writeCommand, "%d\n", bright);
+                res = (::write(fd, writeCommand, count) != -1);
+                ::close(fd);
+        } else {
+                qWarning("no write");
+        }
+        return res;
+}
+
+
+int Ramses::displayBrightnessResolution() const
+{
+        return 32;
+}
+
+bool Ramses::setDisplayContrast(int contr)
+{
+        qDebug("Ramses::setDisplayContrast(%d)", contr);
+        bool res = false;
+        int fd;
+
+        // pwm0 contrast: 35 steps 65..100 (dunkel->hell)
+
+        if (contr > 255 )
+                contr = 255;
+        if (contr < 0)
+                contr = 0;
+        contr = 65 + (contr * 350 / 255);
+
+        if ((fd = ::open("/proc/sys/board/pwm0", O_WRONLY)) >= 0) {
+                qDebug(" %d -> pwm0", contr);
+                char writeCommand[100];
+                const int count = sprintf(writeCommand, "%d\n", contr);
+                res = (::write(fd, writeCommand, count) != -1);
+                res = true;
+                ::close(fd);
+        } else {
+                qWarning("no write");
         }
         return res;
 }
 
 
-int Ramses::displayBrightnessResolution ( ) const
+int Ramses::displayContrastResolution() const
 {
-        return 100;
+        return 32;
 }