| -rw-r--r-- | libopie2/opiecore/device/odevice.cpp | 4 |
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 @@ -258,129 +258,133 @@ bool ODevice::setSoftSuspend ( bool /*soft*/ ) * 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; } |