Small bug fix for iPAQ only: screensaver "dim" didn't work anymore -

the backlight was already powered off at level 0

1 files changed, 2 insertions, 1 deletions

diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index c84312e..75426f9 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -522,257 +522,258 @@ bool iPAQ::filter ( int /*unicode*/, int keycode, int modifiers, bool isPress, b
                                                 
                 case Model_iPAQ_H31xx: 
                         // Rotate cursor keys 180°
                         switch ( keycode ) {
                                 case Key_Left : newkeycode = Key_Right; break;
                                 case Key_Right: newkeycode = Key_Left; break;
                                 case Key_Up   : newkeycode = Key_Down; break;
                                 case Key_Down : newkeycode = Key_Up; break;
                         }
                         break;
 
                 case Model_iPAQ_H36xx: 
                 case Model_iPAQ_H37xx: 
                         // map Power Button short/long press to F34/F35
                         if ( keycode == Key_SysReq ) {
                                 if ( isPress ) {
                                         if ( m_power_timer )
                                                 killTimer ( m_power_timer );
                                         m_power_timer = startTimer ( 500 );
                                 }
                                 else if ( m_power_timer ) {
                                         killTimer ( m_power_timer );
                                         m_power_timer = 0;
                                         QWSServer::sendKeyEvent ( -1, HardKey_Suspend, 0, true, false );
                                         QWSServer::sendKeyEvent ( -1, HardKey_Suspend, 0, false, false );
                                 }
                                         newkeycode = Key_unknown;               
                         }
                         break;
                 
                 default: 
                         break;
                 }                       
 
         if ( newkeycode != keycode ) {
                 if ( newkeycode != Key_unknown )
                         QWSServer::sendKeyEvent ( -1, newkeycode, modifiers, isPress, autoRepeat );
                 return true;
         }
         else
                 return false;
 }
 
 void iPAQ::timerEvent ( QTimerEvent * )
 {
         killTimer ( m_power_timer );
         m_power_timer = 0;
         QWSServer::sendKeyEvent ( -1, HardKey_Backlight, 0, true, false );
         QWSServer::sendKeyEvent ( -1, HardKey_Backlight, 0, false, false );
 }
 
 
 void iPAQ::alarmSound ( )
 {
 #if defined( QT_QWS_IPAQ ) // IPAQ
 #ifndef QT_NO_SOUND
         static Sound snd ( "alarm" );
         int fd;
         int vol;
         bool vol_reset = false;
 
         if ((( fd = ::open ( "/dev/sound/mixer", O_RDWR )) >= 0 ) ||
             (( fd = ::open ( "/dev/mixer", O_RDWR )) >= 0 )) {
 
                 if ( ::ioctl ( fd, MIXER_READ( 0 ), &vol ) >= 0 ) {
                         Config cfg ( "qpe" );
                         cfg. setGroup ( "Volume" );
 
                         int volalarm = cfg. readNumEntry ( "AlarmPercent", 50 );
                         if ( volalarm < 0 )
                                 volalarm = 0;
                         else if ( volalarm > 100 )
                                 volalarm = 100;
                         volalarm |= ( volalarm << 8 );
 
                         if (( volalarm & 0xff ) > ( vol & 0xff )) {
                                 if ( ::ioctl ( fd, MIXER_WRITE( 0 ), &volalarm ) >= 0 )
                                         vol_reset = true;
                         }
                 }
         }
 
         snd. play ( );
         while ( !snd. isFinished ( ))
                 qApp-> processEvents ( );
 
         if ( fd >= 0 ) {
                 if ( vol_reset )
                         ::ioctl ( fd, MIXER_WRITE( 0 ), &vol );
                 ::close ( fd );
         }
 #endif
 #endif
 }
 
 
 bool iPAQ::setSoftSuspend ( bool soft )
 {
         bool res = false;
         int fd;
         
         if (( fd = ::open ( "/proc/sys/ts/suspend_button_mode", O_WRONLY )) >= 0 ) {
                 if ( ::write ( fd, soft ? "1" : "0", 1 ) == 1 )
                         res = true;
                 else
                         ::perror ( "write to /proc/sys/ts/suspend_button_mode" );
                 
                 ::close ( fd );
         }
         else
                 ::perror ( "/proc/sys/ts/suspend_button_mode" );
         
         return res;
 }
 
 
 bool iPAQ::setDisplayBrightness ( int bright )
 {
         bool res = false;
         int fd;
         
         if ( bright > 255 )
                 bright = 255;
         if ( bright < 0 )
                 bright = 0;
 
         // 128 is the maximum if you want a decent lifetime for the LCD
         
-        bright = (int) (( ::pow ( 2, double( bright ) / 255.0 ) - 1 ) * 128.0 ); // logarithmic
+        if ( bright > 1 ) 
+                bright = (int) ( 0.5 + ( ::pow ( 2, double( bright ) / 255.0 ) - 1 ) * 128.0 ); // logarithmic
         //bright = ( bright + 1 ) / 2;
         
         if ((( fd = ::open ( "/dev/ts", O_WRONLY )) >= 0 ) ||
             (( fd = ::open ( "/dev/h3600_ts", O_WRONLY )) >= 0 )) {
                 FLITE_IN bl;
                 bl. mode = 1;
                 bl. pwr = bright ? 1 : 0;
                 bl. brightness = bright;
                 res = ( ::ioctl ( fd, FLITE_ON, &bl ) == 0 );
                 ::close ( fd );
         }
         return res;
 }
 
 int iPAQ::displayBrightnessResolution ( ) const
 {
         return 255; // really 128, but logarithmic control is smoother this way
 }
 
 
 /**************************************************
  *
  * Zaurus
  *
  **************************************************/
 
 
 
 void Zaurus::init ( )
 {
         d-> m_modelstr = "Zaurus SL5000";
         d-> m_model = Model_Zaurus_SL5000;
         d-> m_vendorstr = "Sharp";
         d-> m_vendor = Vendor_Sharp;
 
         QFile f ( "/proc/filesystems" );
 
         if ( f. open ( IO_ReadOnly ) && ( QTextStream ( &f ). read ( ). find ( "\tjffs2\n" ) >= 0 )) {
                 d-> m_systemstr = "OpenZaurus";
                 d-> m_system = System_OpenZaurus;
 
                 f. close ( );
 
                 f. setName ( "/etc/oz_version" );
                 if ( f. open ( IO_ReadOnly )) { 
                         QTextStream ts ( &f );
                         d-> m_sysverstr = ts. readLine ( ). mid ( 10 );
                         f. close ( );
                 }
         }
         else {
                 d-> m_systemstr = "Zaurus";
                 d-> m_system = System_Zaurus;
         }
 
 
         m_leds [0] = Led_Off;
 }
 
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
 
 //#include <asm/sharp_char.h> // including kernel headers is evil ...
 
 #define SHARP_DEV_IOCTL_COMMAND_START 0x5680
 
         #defineSHARP_BUZZER_IOCTL_START (SHARP_DEV_IOCTL_COMMAND_START)
 #define SHARP_BUZZER_MAKESOUND   (SHARP_BUZZER_IOCTL_START)
 
 #define SHARP_BUZ_TOUCHSOUND       1  /* touch panel sound */
 #define SHARP_BUZ_KEYSOUND         2  /* key sound */
 #define SHARP_BUZ_SCHEDULE_ALARM  11  /* schedule alarm */
 
 /* --- for SHARP_BUZZER device --- */
 
         //#defineSHARP_BUZZER_IOCTL_START (SHARP_DEV_IOCTL_COMMAND_START)
 //#define SHARP_BUZZER_MAKESOUND   (SHARP_BUZZER_IOCTL_START)
 
 #define SHARP_BUZZER_SETVOLUME   (SHARP_BUZZER_IOCTL_START+1)
 #define SHARP_BUZZER_GETVOLUME   (SHARP_BUZZER_IOCTL_START+2)
 #define SHARP_BUZZER_ISSUPPORTED (SHARP_BUZZER_IOCTL_START+3)
 #define SHARP_BUZZER_SETMUTE     (SHARP_BUZZER_IOCTL_START+4)
 #define SHARP_BUZZER_STOPSOUND   (SHARP_BUZZER_IOCTL_START+5)
 
 //#define SHARP_BUZ_TOUCHSOUND       1  /* touch panel sound */
 //#define SHARP_BUZ_KEYSOUND         2  /* key sound */
 
 //#define SHARP_PDA_ILLCLICKSOUND    3  /* illegal click */
 //#define SHARP_PDA_WARNSOUND        4  /* warning occurred */
 //#define SHARP_PDA_ERRORSOUND       5  /* error occurred */
 //#define SHARP_PDA_CRITICALSOUND    6  /* critical error occurred */
 //#define SHARP_PDA_SYSSTARTSOUND    7  /* system start */
 //#define SHARP_PDA_SYSTEMENDSOUND   8  /* system shutdown */
 //#define SHARP_PDA_APPSTART         9  /* application start */
 //#define SHARP_PDA_APPQUIT         10  /* application ends */
 
 //#define SHARP_BUZ_SCHEDULE_ALARM  11  /* schedule alarm */
 //#define SHARP_BUZ_DAILY_ALARM     12  /* daily alarm */
 //#define SHARP_BUZ_GOT_PHONE_CALL  13  /* phone call sound */
 //#define SHARP_BUZ_GOT_MAIL        14  /* mail sound */
 //
 
         #defineSHARP_LED_IOCTL_START (SHARP_DEV_IOCTL_COMMAND_START)
 #define SHARP_LED_SETSTATUS   (SHARP_LED_IOCTL_START+1)
 
 typedef struct sharp_led_status {
   int which;   /* select which LED status is wanted. */
   int status;  /* set new led status if you call SHARP_LED_SETSTATUS */
 } sharp_led_status;
 
 #define SHARP_LED_MAIL_EXISTS  9       /* mail status (exists or not) */
 
 #define LED_MAIL_NO_UNREAD_MAIL  0   /* for SHARP_LED_MAIL_EXISTS */
 #define LED_MAIL_NEWMAIL_EXISTS  1   /* for SHARP_LED_MAIL_EXISTS */
 #define LED_MAIL_UNREAD_MAIL_EX  2   /* for SHARP_LED_MAIL_EXISTS */
 
 // #include <asm/sharp_apm.h> // including kernel headers is evil ...
 
 #define APM_IOCGEVTSRC          OD_IOR( 'A', 203, int )
 #define APM_IOCSEVTSRC          OD_IORW( 'A', 204, int )
 #define APM_EVT_POWER_BUTTON    (1 << 0)
 
 #define FL_IOCTL_STEP_CONTRAST    100
 
 
 void Zaurus::buzzer ( int sound )
 {