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-rw-r--r--libopie2/opiecore/device/odevice_htc.cpp721
1 files changed, 721 insertions, 0 deletions
diff --git a/libopie2/opiecore/device/odevice_htc.cpp b/libopie2/opiecore/device/odevice_htc.cpp
new file mode 100644
index 0000000..a40308d
--- a/dev/null
+++ b/libopie2/opiecore/device/odevice_htc.cpp
@@ -0,0 +1,721 @@
+/*
+                 This file is part of the Opie Project
+              Copyright (C) 2002-2005 The Opie Team <opie-devel@handhelds.org>
+ =. Copyright (C) 2002-2005 Michael 'Mickey' Lauer <mickey@Vanille.de>
+ .=l.
+           .>+-=
+ _;:,     .>    :=|. This program is free software; you can
+.> <`_,   >  .   <= redistribute it and/or modify it under
+:`=1 )Y*s>-.--   : the terms of the GNU Library General Public
+.="- .-=="i,     .._ License as published by the Free Software
+ - .   .-<_>     .<> Foundation; version 2 of the License.
+     ._= =}       :
+    .%`+i>       _;_.
+    .i_,=:_.      -<s. This program is distributed in the hope that
+     +  .  -:.       = it will be useful, but WITHOUT ANY WARRANTY;
+    : ..    .:,     . . . without even the implied warranty of
+    =_        +     =;=|` MERCHANTABILITY or FITNESS FOR A
+  _.=:.       :    :=>`: PARTICULAR PURPOSE. See the GNU
+..}^=.=       =       ; Library General Public License for more
+++=   -.     .`     .: details.
+ :     =  ...= . :.=-
+ -.   .:....=;==+<; You should have received a copy of the GNU
+  -_. . .   )=.  = Library General Public License along with
+    --        :-=` this library; see the file COPYING.LIB.
+ If not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+#include "odevice_htc.h"
+
+/* OPIE */
+#include <opie2/oinputsystem.h>
+#include <opie2/oresource.h>
+
+#include <qpe/config.h>
+#include <qpe/sound.h>
+
+/* QT */
+#include <qapplication.h>
+#include <qfile.h>
+#include <qtextstream.h>
+#include <qwindowsystem_qws.h>
+#include <qcopchannel_qws.h>
+
+/* STD */
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <math.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <unistd.h>
+#ifndef QT_NO_SOUND
+#include <linux/soundcard.h>
+#endif
+
+using namespace Opie::Core;
+using namespace Opie::Core::Internal;
+
+struct htc_button htc_buttons [] = {
+ { Qt::Key_F9, QT_TRANSLATE_NOOP("Button", "Calendar Button"),
+ "devicebuttons/z_calendar",
+ "datebook", "nextView()",
+ "today", "raise()" },
+ { Qt::Key_F10, QT_TRANSLATE_NOOP("Button", "Contacts Button"),
+ "devicebuttons/z_contact",
+ "addressbook", "raise()",
+ "addressbook", "beamBusinessCard()" },
+ { Qt::Key_F12, QT_TRANSLATE_NOOP("Button", "Home Button"),
+ "devicebuttons/z_home",
+ "QPE/Launcher", "home()",
+ "buttonsettings", "raise()" },
+ { Qt::Key_F11, QT_TRANSLATE_NOOP("Button", "Menu Button"),
+ "devicebuttons/z_menu",
+ "QPE/TaskBar", "toggleMenu()",
+ "QPE/TaskBar", "toggleStartMenu()" },
+ { Qt::Key_F13, QT_TRANSLATE_NOOP("Button", "Mail Button"),
+ "devicebuttons/z_mail",
+ "opiemail", "raise()",
+ "opiemail", "newMail()" },
+};
+
+struct htc_button htc_buttons_universal [] = {
+ { Qt::Key_F9, QT_TRANSLATE_NOOP("Button", "Calendar Button"),
+ "devicebuttons/z_calendar",
+ "datebook", "nextView()",
+ "today", "raise()" },
+ { Qt::Key_F10, QT_TRANSLATE_NOOP("Button", "Contacts Button"),
+ "devicebuttons/z_contact",
+ "addressbook", "raise()",
+ "addressbook", "beamBusinessCard()" },
+ { Qt::Key_F12, QT_TRANSLATE_NOOP("Button", "Home Button"),
+ "devicebuttons/z_home",
+ "QPE/Launcher", "home()",
+ "buttonsettings", "raise()" },
+ { Qt::Key_F11, QT_TRANSLATE_NOOP("Button", "Menu Button"),
+ "devicebuttons/z_menu",
+ "QPE/TaskBar", "toggleMenu()",
+ "QPE/TaskBar", "toggleStartMenu()" },
+ { Qt::Key_F13, QT_TRANSLATE_NOOP("Button", "Mail Button"),
+ "devicebuttons/z_mail",
+ "opiemail", "raise()",
+ "opiemail", "newMail()" },
+
+ { Qt::Key_F15, QT_TRANSLATE_NOOP("Button", "Hinge1"),
+ "devicebuttons/z_hinge1",
+ "QPE/Rotation", "rotateDefault()",0},
+ { Qt::Key_F16, QT_TRANSLATE_NOOP("Button", "Hinge2"),
+ "devicebuttons/z_hinge2",
+ "QPE/Rotation", "rotateDefault()",0},
+ { Qt::Key_F17, QT_TRANSLATE_NOOP("Button", "Hinge3"),
+ "devicebuttons/z_hinge3",
+ "QPE/Rotation", "rotateDefault()",0},
+};
+
+struct htc_button htc_buttons_6000 [] = {
+ { Qt::Key_F9, QT_TRANSLATE_NOOP("Button", "Calendar Button"),
+ "devicebuttons/z_calendar",
+ "datebook", "nextView()",
+ "today", "raise()" },
+ { Qt::Key_F10, QT_TRANSLATE_NOOP("Button", "Contacts Button"),
+ "devicebuttons/z_contact",
+ "addressbook", "raise()",
+ "addressbook", "beamBusinessCard()" },
+ { Qt::Key_F12, QT_TRANSLATE_NOOP("Button", "Home Button"),
+ "devicebuttons/z_home",
+ "QPE/Launcher", "home()",
+ "buttonsettings", "raise()" },
+ { Qt::Key_F11, QT_TRANSLATE_NOOP("Button", "Menu Button"),
+ "devicebuttons/z_menu",
+ "QPE/TaskBar", "toggleMenu()",
+ "QPE/TaskBar", "toggleStartMenu()" },
+ { Qt::Key_F13, QT_TRANSLATE_NOOP("Button", "Mail Button"),
+ "devicebuttons/z_mail",
+ "opiemail", "raise()",
+ "opiemail", "newMail()" },
+ { Qt::Key_F15, QT_TRANSLATE_NOOP("Button", "Rotate Button"),
+ "devicebuttons/z_rotate",
+ 0,
+ "QPE/Rotation", "rotateDefault()" },
+ { Qt::Key_F24, QT_TRANSLATE_NOOP("Button", "Record Button"),
+ "devicebuttons/z_hinge3",
+ "QPE/VMemo", "toggleRecord()",
+ "sound", "raise()" },
+};
+
+// FIXME This gets unnecessary complicated. We should think about splitting the HTC
+// class up into individual classes. We would need three classes
+//
+// HTC-Universal (PXA-model w/ 640x480 lcd, for Universal)
+
+void HTC::init(const QString& cpu_info)
+{
+ qDebug( "HTC::init()" );
+ // Set the time to wait until the system is really suspended
+ // the delta between apm --suspend and sleeping
+ setAPMTimeOut( 15000 );
+
+ // generic distribution code already scanned /etc/issue at that point -
+ // embedix releases contain "Embedix <version> | Linux for Embedded Devices"
+ if ( d->m_sysverstr.contains( "embedix", false ) )
+ {
+ d->m_vendorstr = "HTC";
+ d->m_vendor = Vendor_HTC;
+ d->m_systemstr = "OpenEmbedded";
+ d->m_system = System_OpenEmbedded;
+ m_embedix = true;
+ }
+ else
+ {
+ d->m_vendorstr = "Xanadux Team";
+ d->m_systemstr = "Familiar";
+ d->m_system = System_Familiar;
+ // sysver already gathered
+
+ // OpenHTC sometimes uses the 2.4 (embedix) kernel, check if this is one
+ FILE *uname = popen("uname -r", "r");
+ QFile f;
+ QString line;
+ if ( f.open(IO_ReadOnly, uname) ) {
+ QTextStream ts ( &f );
+ line = ts.readLine();
+ m_embedix = line.startsWith( "2.4." );
+ f.close();
+ }
+ pclose(uname);
+ }
+
+ // check the HTC model
+ QString model;
+ int loc = cpu_info.find( ":" );
+ if ( loc != -1 )
+ model = cpu_info.mid( loc+2 ).simplifyWhiteSpace();
+ else
+ model = cpu_info;
+
+ if ( model == "HTC Universal" ) {
+ d->m_model = Model_HTC_Universal;
+ d->m_modelstr = "HTC Universal";
+ } else {
+ d->m_model = Model_HTC_Universal;
+ d->m_modelstr = "Unknown HTC";
+ }
+
+ // set path to backlight device in kernel 2.6
+ switch ( d->m_model )
+ {
+ case Model_HTC_Universal:
+ default:
+// m_backlightdev = "/sys/class/backlight/corgi-bl/";
+ m_backlightdev = "/sys/class/backlight/pxafb/";
+ }
+
+ // set initial rotation
+ switch( d->m_model )
+ {
+ case Model_HTC_Universal:
+ initHingeSensor();
+ d->m_rotation = rotation();
+ d->m_direction = direction();
+ break;
+ default:
+ d->m_rotation = Rot270;
+ }
+
+ // set default qte driver
+ switch( d->m_model )
+ {
+ default:
+ d->m_qteDriver = "Transformed";
+ }
+
+ m_leds[0] = Led_Off;
+
+ if ( m_embedix )
+ qDebug( "HTC::init() - Using the 2.4 Embedix HAL on a %s", (const char*) d->m_modelstr );
+ else
+ qDebug( "HTC::init() - Using the 2.6 Xanadux HAL on a %s", (const char*) d->m_modelstr );
+}
+
+void HTC::initButtons()
+{
+ qDebug( "HTC::initButtons()" );
+ if ( d->m_buttons )
+ return;
+
+ d->m_buttons = new QValueList <ODeviceButton>;
+
+ struct htc_button * phtc_buttons;
+ int buttoncount;
+ switch ( d->m_model )
+ {
+ case Model_HTC_Universal:
+ if ( isQWS( ) )
+ {
+ addPreHandler(this);
+ }
+ phtc_buttons = htc_buttons_universal;
+ buttoncount = ARRAY_SIZE(htc_buttons_universal);
+ break;
+ default:
+ phtc_buttons = htc_buttons;
+ buttoncount = ARRAY_SIZE(htc_buttons);
+ break;
+ }
+
+ for ( int i = 0; i < buttoncount; i++ ) {
+ struct htc_button *zb = phtc_buttons + i;
+ ODeviceButton b;
+
+ b.setKeycode( zb->code );
+ b.setUserText( QObject::tr( "Button", zb->utext ));
+ b.setPixmap( OResource::loadPixmap( zb->pix ));
+ b.setFactoryPresetPressedAction( OQCopMessage( makeChannel ( zb->fpressedservice ), zb->fpressedaction ));
+ b.setFactoryPresetHeldAction( OQCopMessage( makeChannel ( zb->fheldservice ), zb->fheldaction ));
+ d->m_buttons->append( b );
+ }
+
+ reloadButtonMapping();
+}
+
+
+
+typedef struct sharp_led_status {
+ int which; /* select which LED status is wanted. */
+ int status; /* set new led status if you call SHARP_LED_SETSTATUS */
+} sharp_led_status;
+
+void HTC::buzzer( int sound )
+{
+#ifndef QT_NO_SOUND
+ Sound *snd = 0;
+
+ // All devices except SL5500 have a DSP device
+ if ( d->m_model == Model_HTC_Universal ) {
+
+ switch ( sound ){
+ case SHARP_BUZ_TOUCHSOUND: {
+ static Sound touch_sound("touchsound");
+ snd = &touch_sound;
+ }
+ break;
+ case SHARP_BUZ_KEYSOUND: {
+ static Sound key_sound( "keysound" );
+ snd = &key_sound;
+ }
+ break;
+ case SHARP_BUZ_SCHEDULE_ALARM:
+ default: {
+ static Sound alarm_sound("alarm");
+ snd = &alarm_sound;
+ }
+ break;
+ }
+ }
+
+ // If a soundname is defined, we expect that this device has
+ // sound capabilities.. Otherwise we expect to have the buzzer
+ // device..
+ if ( snd && snd->isFinished() ){
+ changeMixerForAlarm( 0, "/dev/sound/mixer", snd );
+ snd->play();
+ } else if( !snd ) {
+ int fd = ::open ( "/dev/sharp_buz", O_WRONLY|O_NONBLOCK );
+
+ if ( fd >= 0 ) {
+ ::ioctl ( fd, SHARP_BUZZER_MAKESOUND, sound );
+ ::close ( fd );
+ }
+
+ }
+#endif
+}
+
+
+void HTC::playAlarmSound()
+{
+ buzzer( SHARP_BUZ_SCHEDULE_ALARM );
+}
+
+void HTC::playTouchSound()
+{
+ buzzer( SHARP_BUZ_TOUCHSOUND );
+}
+
+void HTC::playKeySound()
+{
+ buzzer( SHARP_BUZ_KEYSOUND );
+}
+
+
+QValueList <OLed> HTC::ledList() const
+{
+ QValueList <OLed> vl;
+ vl << Led_Mail;
+ return vl;
+}
+
+QValueList <OLedState> HTC::ledStateList( OLed l ) const
+{
+ QValueList <OLedState> vl;
+
+ if ( l == Led_Mail )
+ vl << Led_Off << Led_On << Led_BlinkSlow;
+ return vl;
+}
+
+OLedState HTC::ledState( OLed which ) const
+{
+ if ( which == Led_Mail )
+ return m_leds [0];
+ else
+ return Led_Off;
+}
+
+bool HTC::setLedState( OLed which, OLedState st )
+{
+ // Currently not supported on non_embedix kernels
+ if (!m_embedix)
+ {
+ qDebug( "HTC::setLedState: ODevice handling for non-embedix kernels not yet implemented" );
+ return false;
+ }
+
+ static int fd = ::open ( "/dev/sharp_led", O_RDWR|O_NONBLOCK );
+
+ if ( which == Led_Mail ) {
+ if ( fd >= 0 ) {
+ struct sharp_led_status leds;
+ ::memset ( &leds, 0, sizeof( leds ));
+ leds. which = SHARP_LED_MAIL_EXISTS;
+ bool ok = true;
+
+ switch ( st ) {
+ case Led_Off : leds. status = LED_MAIL_NO_UNREAD_MAIL; break;
+ case Led_On : leds. status = LED_MAIL_NEWMAIL_EXISTS; break;
+ case Led_BlinkSlow: leds. status = LED_MAIL_UNREAD_MAIL_EX; break;
+ default : ok = false;
+ }
+
+ if ( ok && ( ::ioctl ( fd, SHARP_LED_SETSTATUS, &leds ) >= 0 )) {
+ m_leds [0] = st;
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+int HTC::displayBrightnessResolution() const
+{
+/* MV */
+ return 16;
+
+ int res = 1;
+ if (m_embedix)
+ {
+ int fd = ::open( SHARP_FL_IOCTL_DEVICE, O_RDWR|O_NONBLOCK );
+ if ( fd )
+ {
+ int value = ::ioctl( fd, SHARP_FL_IOCTL_GET_STEP, 0 );
+ ::close( fd );
+ return value ? value : res;
+ }
+ }
+ else
+ {
+ int fd = ::open( m_backlightdev + "max_brightness", 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;
+}
+
+bool HTC::setDisplayBrightness( int bright )
+{
+/* MV */
+ return false;
+
+ //qDebug( "HTC::setDisplayBrightness( %d )", bright );
+ bool res = false;
+
+ if ( bright > 255 ) bright = 255;
+ if ( bright < 0 ) bright = 0;
+
+ int numberOfSteps = displayBrightnessResolution();
+ int val = ( bright == 1 ) ? 1 : ( bright * numberOfSteps ) / 255;
+
+ if ( m_embedix )
+ {
+ int fd = ::open( SHARP_FL_IOCTL_DEVICE, O_WRONLY|O_NONBLOCK );
+ if ( fd )
+ {
+ res = ( ::ioctl( fd, SHARP_FL_IOCTL_STEP_CONTRAST, val ) == 0 );
+ ::close( fd );
+ }
+ }
+ else
+ {
+ int fd = ::open( m_backlightdev + "brightness", O_WRONLY|O_NONBLOCK );
+ if ( fd )
+ {
+ char buf[100];
+ int len = ::snprintf( &buf[0], sizeof buf, "%d", val );
+ res = ( ::write( fd, &buf[0], len ) == 0 );
+ ::close( fd );
+ }
+ }
+ return res;
+}
+
+bool HTC::setDisplayStatus( bool on )
+{
+/* MV */
+ return false;
+
+ bool res = false;
+ if ( m_embedix )
+ {
+ int fd = ::open( SHARP_FL_IOCTL_DEVICE, O_WRONLY|O_NONBLOCK );
+ if ( fd )
+ {
+ int ioctlnum = on ? SHARP_FL_IOCTL_ON : SHARP_FL_IOCTL_OFF;
+ res = ( ::ioctl ( fd, ioctlnum, 0 ) == 0 );
+ ::close ( fd );
+ }
+ }
+ else
+ {
+ int fd = ::open( m_backlightdev + "power", O_WRONLY|O_NONBLOCK );
+ if ( fd )
+ {
+ char buf[10];
+ buf[0] = on ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
+ buf[1] = '\0';
+ res = ( ::write( fd, &buf[0], 2 ) == 0 );
+ ::close( fd );
+ }
+ }
+ return res;
+}
+
+Transformation HTC::rotation() const
+{
+ qDebug( "HTC::rotation()" );
+ Transformation rot;
+
+ switch ( d->m_model ) {
+ case Model_HTC_Universal:
+ {
+ OHingeStatus hs = readHingeSensor();
+ qDebug( "HTC::rotation() - hinge sensor = %d", (int) hs );
+ if ( hs == CASE_PORTRAIT ) rot = Rot0;
+ else if ( hs == CASE_UNKNOWN ) rot = Rot270;
+ else rot = Rot270;
+ }
+ break;
+ }
+
+ qDebug( "HTC::rotation() - returning '%d'", rot );
+ return rot;
+}
+ODirection HTC::direction() const
+{
+ ODirection dir;
+
+ switch ( d->m_model ) {
+ case Model_HTC_Universal: {
+ OHingeStatus hs = readHingeSensor();
+ if ( hs == CASE_PORTRAIT ) dir = CCW;
+ else if ( hs == CASE_UNKNOWN ) dir = CCW;
+ else dir = CW;
+ }
+ break;
+ default: dir = d->m_direction;
+ break;
+ }
+ return dir;
+
+}
+
+bool HTC::hasHingeSensor() const
+{
+ return d->m_model == Model_HTC_Universal;
+}
+
+OHingeStatus HTC::readHingeSensor() const
+{
+ if (m_embedix)
+ {
+ int handle = ::open("/dev/apm_bios", O_RDWR|O_NONBLOCK);
+ if (handle == -1)
+ {
+ qWarning("HTC::readHingeSensor() - failed (%s)", "unknown reason" ); //FIXME: use strerror
+ return CASE_UNKNOWN;
+ }
+ else
+ {
+ int retval = ::ioctl(handle, SHARP_IOCTL_GET_ROTATION);
+ ::close (handle);
+ if ( retval == CASE_CLOSED || retval == CASE_PORTRAIT || retval == CASE_LANDSCAPE )
+ {
+ qDebug( "HTC::readHingeSensor() - result = %d", retval );
+ return static_cast<OHingeStatus>( retval );
+ }
+ else
+ {
+ qWarning("HTC::readHingeSensor() - couldn't compute hinge status!" );
+ return CASE_UNKNOWN;
+ }
+ }
+ }
+ else
+ {
+ /*
+ * The HTC Universal keyboard is event source 1 in kernel 2.6.
+ * Hinge status is reported via Input System Switchs 0 and 1 like that:
+ *
+ * -------------------------
+ * | SW0 | SW1 | CASE |
+ * |-----|-----|-----------|
+ * | 0 0 Unknown |
+ * | 1 0 Portrait |
+ * | 0 1 Closed |
+ * | 1 1 Landscape |
+ * -------------------------
+ */
+ OInputDevice* keyboard = OInputSystem::instance()->device( "event1" );
+ bool switch0 = true;
+ bool switch1 = false;
+ if ( keyboard )
+ {
+ switch0 = keyboard->isHeld( OInputDevice::Switch0 );
+ switch1 = keyboard->isHeld( OInputDevice::Switch1 );
+ }
+ if ( switch0 )
+ {
+ return switch1 ? CASE_LANDSCAPE : CASE_PORTRAIT;
+ }
+ else
+ {
+ return switch1 ? CASE_CLOSED : CASE_UNKNOWN;
+ }
+ }
+}
+
+void HTC::initHingeSensor()
+{
+ if ( m_embedix ) return;
+
+ m_hinge.setName( "/dev/input/event1" );
+ if ( !m_hinge.open( IO_ReadOnly ) )
+ {
+ qWarning( "HTC::init() - Couldn't open /dev/input/event1 for read (%s)", strerror( errno ) );
+ return;
+ }
+
+ QSocketNotifier* sn = new QSocketNotifier( m_hinge.handle(), QSocketNotifier::Read, this );
+ QObject::connect( sn, SIGNAL(activated(int)), this, SLOT(hingeSensorTriggered()) );
+
+ qDebug( "HTC::init() - Hinge Sensor Initialization successfully completed" );
+}
+
+void HTC::hingeSensorTriggered()
+{
+ qDebug( "HTC::hingeSensorTriggered() - got event" );
+ struct input_event e;
+ if ( ::read( m_hinge.handle(), &e, sizeof e ) > 0 )
+ {
+ qDebug( "HTC::hingeSensorTriggered() - event has type %d, code %d, value %d", e.type, e.code, e.value );
+ if ( e.type != EV_SW ) return;
+ if ( readHingeSensor() != CASE_UNKNOWN )
+ {
+ qDebug( "HTC::hingeSensorTriggered() - got valid switch event, calling rotateDefault()" );
+ QCopChannel::send( "QPE/Rotation", "rotateDefault()" );
+ }
+ }
+}
+
+void HTC::systemMessage( const QCString &msg, const QByteArray & )
+{
+ if ( msg == "deviceButtonMappingChanged()" ) {
+ reloadButtonMapping();
+ }
+}
+
+/*
+ * Take code from iPAQ device.
+ * That way we switch the cursor directions depending on status of hinge sensor, eg. hardware direction.
+ * I hope that is ok - Alwin
+ */
+bool HTC::filter ( int /*unicode*/, int keycode, int modifiers, bool isPress, bool autoRepeat )
+{
+ int newkeycode = keycode;
+
+ if ( !hasHingeSensor() ) return false;
+
+ /* map cursor keys depending on the hinge status */
+ switch ( keycode ) {
+ // Rotate cursor keys
+ case Key_Left :
+ case Key_Right:
+ case Key_Up :
+ case Key_Down :
+ {
+ if (rotation()==Rot90) {
+ newkeycode = Key_Left + ( keycode - Key_Left + 3 ) % 4;
+ }
+ }
+ break;
+
+ }
+ if (newkeycode!=keycode) {
+ if ( newkeycode != Key_unknown ) {
+ QWSServer::sendKeyEvent ( -1, newkeycode, modifiers, isPress, autoRepeat );
+ }
+ return true;
+ }
+ return false;
+}
+
+bool HTC::suspend() {
+
+/* MV */
+ return false;
+
+ if ( !isQWS( ) ) // only qwsserver is allowed to suspend
+ return false;
+
+ bool res = false;
+ QCopChannel::send( "QPE/System", "aboutToSuspend()" );
+
+ struct timeval tvs, tvn;
+ ::gettimeofday ( &tvs, 0 );
+
+ ::sync(); // flush fs caches
+ res = ( ::system ( "apm --suspend" ) == 0 );
+
+ // This is needed because some apm implementations are 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.
+ // on non embedix eg. 2.6 kernel line apm is synchronous so we don't need it here.
+
+ if ( res && m_embedix) {
+ 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 ) < m_timeOut );
+ }
+
+ QCopChannel::send( "QPE/System", "returnFromSuspend()" );
+
+ return res;
+}