add brightness control for motorola ezx

1 files changed, 11 insertions, 44 deletions

diff --git a/libopie2/opiecore/device/odevice_motorola_ezx.cpp b/libopie2/opiecore/device/odevice_motorola_ezx.cpp
index 69256dd..eed81ac 100644
--- a/libopie2/opiecore/device/odevice_motorola_ezx.cpp
+++ b/libopie2/opiecore/device/odevice_motorola_ezx.cpp
@@ -1,325 +1,292 @@
 /*
                              This file is part of the Opie Project
               =.             (C) 2006 Michael 'Mickey' Lauer <mickey@Vanille.de>
             .=l.
            .>+-=
  _;:,     .>    :=|.         This program is free software; you can
 .> <`_,   >  .   <=          redistribute it and/or  modify it under
 :`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
 .="- .-=="i,     .._         License as published by the Free Software
  - .   .-<_>     .<>         Foundation; version 2 of the License.
      ._= =}       :
     .%`+i>       _;_.
     .i_,=:_.      -<s.       This program is distributed in the hope that
      +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
     : ..    .:,     . . .    without even the implied warranty of
     =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
   _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
 ..}^=.=       =       ;      Library General Public License for more
 ++=   -.     .`     .:       details.
  :     =  ...= . :.=-
  -.   .:....=;==+<;          You should have received a copy of the GNU
   -_. . .   )=.  =           Library General Public License along with
     --        :-=`           this library; see the file COPYING.LIB.
                              If not, write to the Free Software Foundation,
                              Inc., 59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 */
 
 #include "odevice_motorola_ezx.h"
 
 /* OPIE */
 #include <opie2/oinputsystem.h>
 #include <opie2/oresource.h>
 
 #include <qpe/config.h>
 #include <qpe/sound.h>
 
 /* QT */
 #include <qapplication.h>
 #include <qfile.h>
 #include <qtextstream.h>
 #include <qwindowsystem_qws.h>
 #include <qcopchannel_qws.h>
 
 /* STD */
 #include <assert.h>
 #include <string.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <math.h>
 #include <stdlib.h>
 #include <signal.h>
 #include <sys/ioctl.h>
 #include <sys/time.h>
 #include <unistd.h>
 #ifndef QT_NO_SOUND
 #include <linux/soundcard.h>
 #endif
 
 using namespace Opie::Core;
 using namespace Opie::Core::Internal;
 
 struct ezx_button ezx_buttons [] = {
     { Qt::Key_F9, QT_TRANSLATE_NOOP("Button", "Calendar Button"),
     "devicebuttons/z_calendar",
     "datebook", "nextView()",
     "today", "raise()" },
     { Qt::Key_F10, QT_TRANSLATE_NOOP("Button", "Contacts Button"),
     "devicebuttons/z_contact",
     "addressbook", "raise()",
     "addressbook", "beamBusinessCard()" },
     { Qt::Key_F12, QT_TRANSLATE_NOOP("Button", "Home Button"),
     "devicebuttons/z_home",
     "QPE/Launcher", "home()",
     "buttonsettings", "raise()" },
     { Qt::Key_F11, QT_TRANSLATE_NOOP("Button", "Menu Button"),
     "devicebuttons/z_menu",
     "QPE/TaskBar", "toggleMenu()",
     "QPE/TaskBar", "toggleStartMenu()" },
     { Qt::Key_F13, QT_TRANSLATE_NOOP("Button", "Mail Button"),
     "devicebuttons/z_mail",
     "opiemail", "raise()",
     "opiemail", "newMail()" },
 };
 
 void Motorola_EZX::init(const QString& cpu_info)
 {
     qDebug( "Motorola_EZX::init()" );
     // Set the time to wait until the system is really suspended
     // the delta between apm --suspend and sleeping
     setAPMTimeOut( 15000 );
 
     d->m_vendorstr = "OpenEZX Team";
     d->m_systemstr = "OpenEZX";
     d->m_system = System_OpenEZX;
     // sysver already gathered
 
     // check the Motorola_EZX model
     QString model;
     int loc = cpu_info.find( ":" );
     if ( loc != -1 )
         model = cpu_info.mid( loc+2 ).simplifyWhiteSpace();
     else
         model = cpu_info;
 
     if ( model == "Motorola Ezx Platform" ) {
         d->m_model = Model_Motorola_EZX;
         d->m_modelstr = "Motorola_EZX";
     } else assert( 0 );
 
     // set path to backlight device in kernel 2.6
     m_backlightdev = "/sys/class/backlight/ezx-bl/";
     d->m_rotation = Rot0;
     //initHingeSensor();
 
     // set default qte driver and led state
     d->m_qteDriver = "Transformed";
     m_leds[0] = Led_Off;
 
     qDebug( "Motorola_EZX::init() - Using the 2.6 OpenEZX HAL on a %s", (const char*) d->m_modelstr );
 }
 
 void Motorola_EZX::initButtons()
 {
     qDebug( "Motorola_EZX::initButtons()" );
     if ( d->m_buttons )
         return;
 
     d->m_buttons = new QValueList <ODeviceButton>;
 
     struct ezx_button * ezx_buttons;
     int buttoncount;
 
 /*
 
     switch ( d->m_model )
     {
         case Model_Motorola_EZX_SL6000:
             pezx_buttons = ezx_buttons_6000;
             buttoncount = ARRAY_SIZE(ezx_buttons_6000);
             break;
         case Model_Motorola_EZX_SLC3100: // fallthrough
         case Model_Motorola_EZX_SLC3000: // fallthrough
         case Model_Motorola_EZX_SLC1000: // fallthrough
         case Model_Motorola_EZX_SLC7x0:
             if ( isQWS( ) )
             {
                 addPreHandler(this);
             }
             pezx_buttons = ezx_buttons_c700;
             buttoncount = ARRAY_SIZE(ezx_buttons_c700);
             break;
         default:
             pezx_buttons = ezx_buttons;
             buttoncount = ARRAY_SIZE(ezx_buttons);
             break;
     }
 
     for ( int i = 0; i < buttoncount; i++ ) {
         struct ezx_button *zb = pezx_buttons + i;
         ODeviceButton b;
 
         b.setKeycode( zb->code );
         b.setUserText( QObject::tr( "Button", zb->utext ));
         b.setPixmap( OResource::loadPixmap( zb->pix ));
         b.setFactoryPresetPressedAction( OQCopMessage( makeChannel ( zb->fpressedservice ), zb->fpressedaction ));
         b.setFactoryPresetHeldAction( OQCopMessage( makeChannel ( zb->fheldservice ), zb->fheldaction ));
         d->m_buttons->append( b );
     }
 */
     reloadButtonMapping();
 }
 
 void Motorola_EZX::playAlarmSound()
 {
 #ifndef QT_NO_SOUND
     static Sound snd ( "alarm" );
     if(!snd.isFinished())
     return;
 
     changeMixerForAlarm(0, "/dev/sound/mixer", &snd );
     snd. play();
 #endif
 }
 
 QValueList <OLed> Motorola_EZX::ledList() const
 {
     QValueList <OLed> vl;
     vl << Led_Mail;
     return vl;
 }
 
 QValueList <OLedState> Motorola_EZX::ledStateList( OLed l ) const
 {
     QValueList <OLedState> vl;
 
     if ( l == Led_Mail )
         vl << Led_Off << Led_On << Led_BlinkSlow;
     return vl;
 }
 
 OLedState Motorola_EZX::ledState( OLed which ) const
 {
     if ( which == Led_Mail )
         return m_leds [0];
     else
         return Led_Off;
 }
 
 bool Motorola_EZX::setLedState( OLed which, OLedState st )
 {
      // Currently not supported
     qDebug( "Motorola_EZX::setLedState: ODevice handling not yet implemented" );
     return false;
 }
 
 int Motorola_EZX::displayBrightnessResolution() const
 {
-     // Currently not supported
-    qDebug( "Motorola_EZX::displayBrightnessResolution: ODevice handling not yet implemented" );
-    return 100;
-
-#if 0
     int res = 1;
-    if (m_embedix)
-    {
-        int fd = ::open( SHARP_FL_IOCTL_DEVICE, O_RDWR|O_NONBLOCK );
-        if ( fd )
-        {
-            int value = ::ioctl( fd, SHARP_FL_IOCTL_GET_STEP, 0 );
-            ::close( fd );
-            return value ? value : res;
-        }
-    }
-    else
+    int fd = ::open( m_backlightdev + "max_brightness", O_RDONLY|O_NONBLOCK );
+    if ( fd )
     {
-        int fd = ::open( m_backlightdev + "max_brightness", O_RDONLY|O_NONBLOCK );
-        if ( fd )
-        {
-            char buf[100];
-            if ( ::read( fd, &buf[0], sizeof buf ) ) ::sscanf( &buf[0], "%d", &res );
-            ::close( fd );
-        }
+        char buf[100];
+        if ( ::read( fd, &buf[0], sizeof buf ) ) ::sscanf( &buf[0], "%d", &res );
+        ::close( fd );
     }
     return res;
-#endif
 }
 
 bool Motorola_EZX::setDisplayBrightness( int bright )
 {
     qDebug( "Motorola_EZX::setDisplayBrightness( %d )", bright );
     return false;
 
-#if 0
     bool res = false;
 
     if ( bright > 255 ) bright = 255;
     if ( bright < 0 ) bright = 0;
 
     int numberOfSteps = displayBrightnessResolution();
     int val = ( bright == 1 ) ? 1 : ( bright * numberOfSteps ) / 255;
 
-    if ( m_embedix )
-    {
-        int fd = ::open( SHARP_FL_IOCTL_DEVICE, O_WRONLY|O_NONBLOCK );
-        if ( fd )
-        {
-            res = ( ::ioctl( fd, SHARP_FL_IOCTL_STEP_CONTRAST, val ) == 0 );
-            ::close( fd );
-        }
-    }
-    else
+    int fd = ::open( m_backlightdev + "brightness", O_WRONLY|O_NONBLOCK );
+    if ( fd )
     {
-        int fd = ::open( m_backlightdev + "brightness", O_WRONLY|O_NONBLOCK );
-        if ( fd )
-        {
-            char buf[100];
-            int len = ::snprintf( &buf[0], sizeof buf, "%d", val );
-            res = ( ::write( fd, &buf[0], len ) == 0 );
-            ::close( fd );
-        }
+        char buf[100];
+        int len = ::snprintf( &buf[0], sizeof buf, "%d", val );
+        res = ( ::write( fd, &buf[0], len ) == 0 );
+        ::close( fd );
     }
     return res;
-#endif
 }
 
 bool Motorola_EZX::setDisplayStatus( bool on )
 {
     bool res = false;
     int fd = ::open( m_backlightdev + "power", O_WRONLY|O_NONBLOCK );
     if ( fd )
     {
         char buf[10];
         buf[0] = on ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
         buf[1] = '\0';
         res = ( ::write( fd, &buf[0], 2 ) == 0 );
         ::close( fd );
     }
     return res;
 }
 
 void Motorola_EZX::systemMessage( const QCString &msg, const QByteArray & )
 {
     if ( msg == "deviceButtonMappingChanged()" ) {
         reloadButtonMapping();
     }
 }
 
 bool Motorola_EZX::suspend() {
     if ( !isQWS( ) ) // only qwsserver is allowed to suspend
         return false;
 
     bool res = false;
     QCopChannel::send( "QPE/System", "aboutToSuspend()" );
 
     struct timeval tvs, tvn;
     ::gettimeofday ( &tvs, 0 );
 
     ::sync(); // flush fs caches
     res = ( ::system ( "apm --suspend" ) == 0 );
 
     QCopChannel::send( "QPE/System", "returnFromSuspend()" );
 
     return res;
 }