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authorsandman <sandman>2002-11-01 19:03:41 (UTC)
committer sandman <sandman>2002-11-01 19:03:41 (UTC)
commit0380a66a6edc8692668a24a49082881b13a4c5fc (patch) (side-by-side diff)
tree6e1fbfe4133d493c6380da26e38d29678b8c3622 /libopie/odevice.cpp
parent6860113387bbc86ee33e86327941cafc986e6481 (diff)
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setDisplayBrightness calculated the wrong backlight level for iPAQs
Diffstat (limited to 'libopie/odevice.cpp') (more/less context) (ignore whitespace changes)
-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 )
{
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;
- int maxbright = displayBrightnessResolution ( );
-
- if ( bright > maxbright )
- bright = maxbright;
+ if ( bright > 255 )
+ bright = 255;
if ( bright < 0 )
bright = 0;
if (( fd = ::open ( "/dev/touchscreen/0", O_WRONLY )) >= 0 ) {
FLITE_IN bl;
bl. mode = 1;
bl. pwr = bright ? 1 : 0;
- bl. brightness = bright;
+ bl. brightness = ( bright * ( displayBrightnessResolution ( ) - 1 ) + 127 ) / 255;
res = ( ::ioctl ( fd, FLITE_ON, &bl ) == 0 );
::close ( fd );
}
return res;
}
int iPAQ::displayBrightnessResolution ( ) const
{
switch ( model ( )) {
case Model_iPAQ_H31xx:
case Model_iPAQ_H36xx:
case Model_iPAQ_H37xx:
return 128; // really 256, but >128 could damage the LCD
case Model_iPAQ_H38xx:
case Model_iPAQ_H39xx:
return 64;
default:
return 2;
}
}