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path: root/libopie/odevice.cpp
authorschurig <schurig>2004-09-10 12:18:17 (UTC)
committer schurig <schurig>2004-09-10 12:18:17 (UTC)
commit9d0ccc1c5ca687bc017b2b515a9d3a47e98ce521 (patch) (side-by-side diff)
tree53927c6a19c69d54bb3d0e092ac57180bcb60222 /libopie/odevice.cpp
parented70ec4945c7816ec6e899207ec8b99e20e10da5 (diff)
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added support for DEVFS
Diffstat (limited to 'libopie/odevice.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--libopie/odevice.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index 21070bf..9d0bbbf 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -550,97 +550,101 @@ bool ODevice::suspend ( )
if ( d-> m_model == Model_Unknown ) // better don't suspend in qvfb / on unkown devices
return false;
bool res = false;
struct timeval tvs, tvn;
::gettimeofday ( &tvs, 0 );
::sync ( ); // flush fs caches
res = ( ::system ( "apm --suspend" ) == 0 );
// This is needed because the iPAQ apm implementation is asynchronous and we
// can not be sure when exactly the device is really suspended
// This can be deleted as soon as a stable familiar with a synchronous apm implementation exists.
if ( res ) {
do { // wait at most 1.5 sec: either suspend didn't work or the device resumed
::usleep ( 200 * 1000 );
::gettimeofday ( &tvn, 0 );
} while ((( tvn. tv_sec - tvs. tv_sec ) * 1000 + ( tvn. tv_usec - tvs. tv_usec ) / 1000 ) < 1500 );
}
return res;
}
//#include <linux/fb.h> better not rely on kernel headers in userspace ...
#define FBIOBLANK OD_IO( 'F', 0x11 ) // 0x4611
/* VESA Blanking Levels */
#define VESA_NO_BLANKING 0
#define VESA_VSYNC_SUSPEND 1
#define VESA_HSYNC_SUSPEND 2
#define VESA_POWERDOWN 3
/**
* This sets the display on or off
*/
bool ODevice::setDisplayStatus ( bool on )
{
qDebug("ODevice::setDisplayStatus(%d)", on);
if ( d-> m_model == Model_Unknown )
return false;
bool res = false;
int fd;
+#ifdef QT_QWS_DEVFS
+ if (( fd = ::open ( "/dev/fb/0", O_RDWR )) >= 0 ) {
+#else
if (( fd = ::open ( "/dev/fb0", O_RDWR )) >= 0 ) {
+#endif
res = ( ::ioctl ( fd, FBIOBLANK, on ? VESA_NO_BLANKING : VESA_POWERDOWN ) == 0 );
::close ( fd );
}
return res;
}
/**
* This sets the display brightness
*
* @param p The brightness to be set on a scale from 0 to 255
* @return success or failure
*/
bool ODevice::setDisplayBrightness ( int p)
{
Q_UNUSED( p )
return false;
}
/**
* @return returns the number of steppings on the brightness slider
* in the Light-'n-Power settings.
*/
int ODevice::displayBrightnessResolution ( ) const
{
return 16;
}
/**
* This sets the display contrast
* @param p The contrast to be set on a scale from 0 to 255
* @return success or failure
*/
bool ODevice::setDisplayContrast ( int p)
{
Q_UNUSED( p )
return false;
}
/**
* @return return the max value for the brightness settings slider
* or 0 if the device doesn't support setting of a contrast
*/
int ODevice::displayContrastResolution ( ) const
{
return 0;
}
/**