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authorerik <erik>2007-02-08 01:15:31 (UTC)
committer erik <erik>2007-02-08 01:15:31 (UTC)
commitc36a2e25a8875a31957968482ba8a0831a8b0aba (patch) (side-by-side diff)
tree73c5f9231d3fe7157d814d8a948f27e31eb87c81
parentc4aaefcbe64cecb35f1f1bfa10337e95d8ae439c (diff)
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This commit provides support for any iPAQ handheld that runs a 2.6 kernel
and follows the backlight class in sysfs. This patch was originally done by an unknown poster and maintained by Paul S. Thanks all who contributed.
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opiecore/device/odevice_ipaq.cpp101
1 files changed, 44 insertions, 57 deletions
diff --git a/libopie2/opiecore/device/odevice_ipaq.cpp b/libopie2/opiecore/device/odevice_ipaq.cpp
index 16ecc27..02b685a 100644
--- a/libopie2/opiecore/device/odevice_ipaq.cpp
+++ b/libopie2/opiecore/device/odevice_ipaq.cpp
@@ -398,43 +398,17 @@ bool iPAQ::setDisplayBrightness ( int bright )
bright = 0;
- QString cmdline;
-
- switch ( model()) {
- case Model_iPAQ_H191x:
- case Model_iPAQ_H4xxx:
- {
- QDir sysClass( "/sys/class/backlight/pxafb/" );
- sysClass.setFilter(QDir::Dirs);
- int fd;
- if ( sysClass.exists() ) {
- QString sysClassPath = sysClass.absFilePath( "/sys/class/backlight/pxafb/power" );
- fd = ::open( sysClassPath, O_WRONLY | O_NONBLOCK );
- if ( fd ) {
- char buf[10];
- buf[0] = bright ? 0 : 4;
- buf[1] = '\0';
- res = ( ::write( fd, &buf[0], 2 ) == 0 );
- ::close( fd );
- }
- sysClassPath = sysClass.absFilePath( "/sys/class/backlight/pxafb/brightness" );
- fd = ::open( sysClassPath, O_WRONLY | O_NONBLOCK );
- if ( fd ) {
- char buf[100];
- int len = ::snprintf( &buf[0], sizeof buf, "%d", bright );
- res = ( ::write( fd, &buf[0], len ) == 0 );
- ::close( fd );
- }
- }
- }
- break;
-
- case Model_iPAQ_HX4700:
- cmdline = QString::fromLatin1( "echo %1 > /sys/class/backlight/w100fb/brightness" ).arg( bright );
- // No Global::shellQuote as we gurantee it to be sane
- res = ( ::system( QFile::encodeName(cmdline) ) == 0 );
- break;
-
-
- default:
+ QDir sysClass( "/sys/class/backlight/" );
+ sysClass.setFilter(QDir::Dirs);
+ if ( sysClass.exists() && sysClass.count() > 2 ) {
+ QString sysClassPath = sysClass.absFilePath( sysClass[2] + "/brightness" );
+ int fd = ::open( sysClassPath, O_WRONLY|O_NONBLOCK );
+ if ( fd ) {
+ char buf[100];
+ int val = bright * displayBrightnessResolution() / 255;
+ int len = ::snprintf( &buf[0], sizeof buf, "%d", val );
+ res = ( ::write( fd, &buf[0], len ) == 0 );
+ ::close( fd );
+ }
+ } else {
if (( fd = ::open ( "/dev/touchscreen/0", O_WRONLY )) >= 0 ) {
FLITE_IN bl;
@@ -446,4 +420,5 @@ bool iPAQ::setDisplayBrightness ( int bright )
}
}
+
return res;
}
@@ -451,4 +426,20 @@ bool iPAQ::setDisplayBrightness ( int bright )
int iPAQ::displayBrightnessResolution() const
{
+ int res = 16;
+
+ QDir sysClass( "/sys/class/backlight/" );
+ sysClass.setFilter(QDir::Dirs);
+ if ( sysClass.exists() && sysClass.count() > 2 ) {
+ QString sysClassPath = sysClass.absFilePath( sysClass[2] + "/max_brightness" );
+ int fd = ::open( sysClassPath, O_RDONLY|O_NONBLOCK );
+ if ( fd ) {
+ char buf[100];
+ if ( ::read( fd, &buf[0], sizeof buf ) )
+ ::sscanf( &buf[0], "%d", &res );
+ ::close( fd );
+ }
+ return res;
+ }
+
switch ( model()) {
case Model_iPAQ_H31xx:
@@ -479,25 +470,20 @@ bool iPAQ::setDisplayStatus ( bool on )
QString cmdline;
- if ( model() == Model_iPAQ_H191x ) {
- QDir sysClass( "/sys/class/lcd/pxafb/" );
- sysClass.setFilter(QDir::Dirs);
- if ( sysClass.exists() ) {
- QString sysClassPath = sysClass.absFilePath( "/sys/class/lcd/pxafb/power" );
- int fd = ::open( sysClassPath, O_WRONLY | O_NONBLOCK );
- if ( fd ) {
- char buf[10];
- buf[0] = on ? 0 : 4;
- buf[1] = '\0';
- res = ( ::write( fd, &buf[0], 2 ) == 0 );
- ::close( fd );
- }
- }
- return res;
+ QDir sysClass( "/sys/class/lcd/" );
+ sysClass.setFilter(QDir::Dirs);
+ if ( sysClass.exists() && sysClass.count() > 2 ) {
+ QString sysClassPath = sysClass.absFilePath( sysClass[2] + "/power" );
+ int fd = ::open( sysClassPath, O_WRONLY|O_NONBLOCK );
+ if ( fd ) {
+ char buf[10];
+ buf[0] = on ? 0 : 4;
+ buf[1] = '\0';
+ res = ( ::write( fd, &buf[0], 2 ) == 0 );
+ ::close( fd );
+ }
} else {
- return OAbstractMobileDevice::setDisplayStatus(on);
+ res = OAbstractMobileDevice::setDisplayStatus(on);
}
- res = ( ::system( QFile::encodeName(cmdline) ) == 0 );
-
return res;
}
@@ -507,4 +493,5 @@ bool iPAQ::hasLightSensor() const
switch (model()) {
case Model_iPAQ_H191x:
+ case Model_iPAQ_H22xx:
case Model_iPAQ_H4xxx:
return false;