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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 /libopie2
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 (limited to 'libopie2') (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;