support for devfs

1 files changed, 4 insertions, 0 deletions

diff --git a/libopie2/opiecore/device/odevice.cpp b/libopie2/opiecore/device/odevice.cpp
index 280b0c5..2355621 100644
--- a/libopie2/opiecore/device/odevice.cpp
+++ b/libopie2/opiecore/device/odevice.cpp
@@ -226,193 +226,197 @@ void ODevice::initButtons()
         b. setUserText ( QObject::tr ( "Button", db->utext ));
         b. setPixmap ( Resource::loadPixmap ( db->pix ));
         b. setFactoryPresetPressedAction ( OQCopMessage ( makeChannel ( db->fpressedservice ), db->fpressedaction ));
         b. setFactoryPresetHeldAction ( OQCopMessage ( makeChannel ( db->fheldservice ), db->fheldaction ));
         d->m_buttons->append ( b );
     }
 
     reloadButtonMapping();
 
     QCopChannel *sysch = new QCopChannel ( "QPE/System", this );
     connect ( sysch, SIGNAL( received(const QCString&,const QByteArray&)), this, SLOT( systemMessage(const QCString&,const QByteArray&)));
 }
 
 ODevice::~ODevice()
 {
 // we leak m_devicebuttons and m_cpu_frequency
 // but it's a singleton and it is not so importantant
 // -zecke
     delete d;
 }
 
 bool ODevice::setSoftSuspend ( bool /*soft*/ )
 {
     return false;
 }
 
 //#include <linux/apm_bios.h>
 
 #define APM_IOC_SUSPEND          OD_IO( 'A', 2 )
 
 /**
 * This method will try to suspend the device
 * It only works if the user is the QWS Server and the apm application
 * is installed.
 * It tries to suspend and then waits some time cause some distributions
 * do have asynchronus apm implementations.
 * This method will either fail and return false or it'll suspend the
 * device and return once the device got woken up
 *
 * @return if the device got suspended
 */
 bool ODevice::suspend()
 {
     qDebug("ODevice::suspend");
     if ( !isQWS( ) ) // only qwsserver is allowed to suspend
         return false;
 
     if ( d->m_model == Model_Unknown ) // better don't suspend in qvfb / on unkown devices
         return false;
 
     bool res = false;
     ODevice::sendSuspendmsg();
 
     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;
 }
 
 /**
 * This returns the vendor as string
 * @return Vendor as QString
 */
 QString ODevice::vendorString() const
 {
     return d->m_vendorstr;
 }
 
 /**
 * This returns the vendor as one of the values of OVendor
 * @return OVendor
 */
 OVendor ODevice::vendor() const
 {
     return d->m_vendor;
 }
 
 /**
 * This returns the model as a string
 * @return A string representing the model
 */
 QString ODevice::modelString() const
 {
     return d->m_modelstr;
 }
 
 /**
 * This does return the OModel used
 */
 OModel ODevice::model() const
 {
     return d->m_model;
 }
 
 /**
 * This does return the systen name
 */
 QString ODevice::systemString() const
 {
     return d->m_systemstr;
 }
 
 /**
 * Return System as OSystem value
 */
 OSystem ODevice::system() const
 {
     return d->m_system;