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-rw-r--r--libopie/odevice.cpp8
1 files changed, 3 insertions, 5 deletions
diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index 8f4e296..7d8cdbf 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -636,60 +636,58 @@ bool iPAQ::setSoftSuspend ( bool soft )
636{ 636{
637 bool res = false; 637 bool res = false;
638 int fd; 638 int fd;
639 639
640 if (( fd = ::open ( "/proc/sys/ts/suspend_button_mode", O_WRONLY )) >= 0 ) { 640 if (( fd = ::open ( "/proc/sys/ts/suspend_button_mode", O_WRONLY )) >= 0 ) {
641 if ( ::write ( fd, soft ? "1" : "0", 1 ) == 1 ) 641 if ( ::write ( fd, soft ? "1" : "0", 1 ) == 1 )
642 res = true; 642 res = true;
643 else 643 else
644 ::perror ( "write to /proc/sys/ts/suspend_button_mode" ); 644 ::perror ( "write to /proc/sys/ts/suspend_button_mode" );
645 645
646 ::close ( fd ); 646 ::close ( fd );
647 } 647 }
648 else 648 else
649 ::perror ( "/proc/sys/ts/suspend_button_mode" ); 649 ::perror ( "/proc/sys/ts/suspend_button_mode" );
650 650
651 return res; 651 return res;
652} 652}
653 653
654 654
655bool iPAQ::setDisplayBrightness ( int bright ) 655bool iPAQ::setDisplayBrightness ( int bright )
656{ 656{
657 bool res = false; 657 bool res = false;
658 int fd; 658 int fd;
659 659
660 int maxbright = displayBrightnessResolution ( ); 660 if ( bright > 255 )
661 661 bright = 255;
662 if ( bright > maxbright )
663 bright = maxbright;
664 if ( bright < 0 ) 662 if ( bright < 0 )
665 bright = 0; 663 bright = 0;
666 664
667 if (( fd = ::open ( "/dev/touchscreen/0", O_WRONLY )) >= 0 ) { 665 if (( fd = ::open ( "/dev/touchscreen/0", O_WRONLY )) >= 0 ) {
668 FLITE_IN bl; 666 FLITE_IN bl;
669 bl. mode = 1; 667 bl. mode = 1;
670 bl. pwr = bright ? 1 : 0; 668 bl. pwr = bright ? 1 : 0;
671 bl. brightness = bright; 669 bl. brightness = ( bright * ( displayBrightnessResolution ( ) - 1 ) + 127 ) / 255;
672 res = ( ::ioctl ( fd, FLITE_ON, &bl ) == 0 ); 670 res = ( ::ioctl ( fd, FLITE_ON, &bl ) == 0 );
673 ::close ( fd ); 671 ::close ( fd );
674 } 672 }
675 return res; 673 return res;
676} 674}
677 675
678int iPAQ::displayBrightnessResolution ( ) const 676int iPAQ::displayBrightnessResolution ( ) const
679{ 677{
680 switch ( model ( )) { 678 switch ( model ( )) {
681 case Model_iPAQ_H31xx: 679 case Model_iPAQ_H31xx:
682 case Model_iPAQ_H36xx: 680 case Model_iPAQ_H36xx:
683 case Model_iPAQ_H37xx: 681 case Model_iPAQ_H37xx:
684 return 128; // really 256, but >128 could damage the LCD 682 return 128; // really 256, but >128 could damage the LCD
685 683
686 case Model_iPAQ_H38xx: 684 case Model_iPAQ_H38xx:
687 case Model_iPAQ_H39xx: 685 case Model_iPAQ_H39xx:
688 return 64; 686 return 64;
689 687
690 default: 688 default:
691 return 2; 689 return 2;
692 } 690 }
693} 691}
694 692
695 693