add support for the linux 2.6 backlight interface on tosa, poodle, and collie

2 files changed, 42 insertions, 28 deletions

diff --git a/libopie2/opiecore/device/odevice_zaurus.cpp b/libopie2/opiecore/device/odevice_zaurus.cpp
index 1742100..21d2342 100644
--- a/libopie2/opiecore/device/odevice_zaurus.cpp
+++ b/libopie2/opiecore/device/odevice_zaurus.cpp
@@ -1,33 +1,32 @@
 /*
-                             This file is part of the Opie Project
-
-                             Copyright (C)2002-2005 The Opie Team <opie-devel@handhelds.org>
+                             This file is part of the Opie Project
+                             Copyright (C) 2002-2005 The Opie Team <opie-devel@handhelds.org>
               =.
             .=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; either version 2 of the License,
-     ._= =}       :          or (at your option) any later version.
-    .%`+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.
+           .>+-=
+ _;:,     .>    :=|.         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_zaurus.h"
 
 /* QT */
@@ -115,17 +114,17 @@ struct z_button z_buttons_c700 [] = {
     "QPE/Rotation", "rotateDefault()",0},
 };
 
 // FIXME This gets unnecessary complicated. We should think about splitting the Zaurus
 //       class up into individual classes. We would need three classes
 //
 //       Zaurus-Collie (SA-model  w/ 320x240 lcd, for SL5500 and SL5000)
 //       Zaurus-Poodle (PXA-model w/ 320x240 lcd, for SL5600)
-//       Zaurus-Corgi  (PXA-model w/ 640x480 lcd, for C700, C750, C760, C860, C3000, C1000)
+//       Zaurus-Corgi  (PXA-model w/ 640x480 lcd, for C700, C750, C760, C860, C3000, C1000, C3100)
 //       Zaurus-Tosa   (PXA-model w/ 480x640 lcd, for SL6000)
 
 void Zaurus::init(const QString& cpu_info)
 {
     // Set the time to wait until the system is really suspended
     // the delta between apm --suspend and sleeping
     setAPMTimeOut( 15000 );
 
@@ -194,16 +193,30 @@ void Zaurus::init(const QString& cpu_info)
     } else if ( model == "SHARP Akita" ) {
         d->m_model = Model_Zaurus_SLC1000;
         d->m_modelstr = "Zaurus SL-C1000";
     } else {
         d->m_model = Model_Zaurus_SL5500;
         d->m_modelstr = "Unknown Zaurus";
     }
 
+    // set path to backlight device in kernel 2.6
+    switch ( d->m_model ) {
+        case Model_Zaurus_SLB600: // fallthrough
+        case Model_Zaurus_SL5500:
+            m_backlightdev = "/sys/class/backlight/locomo-backlight/";
+            break;
+        case Model_Zaurus_SL6000:
+            m_backlightdev = "/sys/class/backlight/tosa-bl/";
+            break;
+        default:
+            m_backlightdev = "/sys/class/backlight/corgi-bl/";
+            break;
+    }
+
     // set initial rotation
     switch( d->m_model ) {
         case Model_Zaurus_SL6000: // fallthrough
         case Model_Zaurus_SLA300:
             d->m_rotation = Rot0;
             break;
         case Model_Zaurus_SLC3000: // fallthrough
         case Model_Zaurus_SLC1000: // fallthrough
@@ -406,17 +419,17 @@ int Zaurus::displayBrightnessResolution() const
         {
             int value = ::ioctl( fd, SHARP_FL_IOCTL_GET_STEP, 0 );
             ::close( fd );
             return value ? value : res;
         }
     }
     else
     {
-        int fd = ::open( "/sys/class/backlight/corgi-bl/max_brightness", O_RDONLY|O_NONBLOCK );
+        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;
@@ -439,17 +452,17 @@ bool Zaurus::setDisplayBrightness( int bright )
         if ( fd )
         {
             res = ( ::ioctl( fd, SHARP_FL_IOCTL_STEP_CONTRAST, val ) == 0 );
             ::close( fd );
         }
     }
     else
     {
-        int fd = ::open( "/sys/class/backlight/corgi-bl/brightness", O_WRONLY|O_NONBLOCK );
+        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 );
         }
     }
@@ -466,17 +479,17 @@ bool Zaurus::setDisplayStatus( bool on )
         {
             int ioctlnum = on ? SHARP_FL_IOCTL_ON : SHARP_FL_IOCTL_OFF;
             res = ( ::ioctl ( fd, ioctlnum, 0 ) == 0 );
             ::close ( fd );
         }
     }
     else
     {
-        int fd = ::open( "/sys/class/backlight/corgi-bl/power", O_WRONLY|O_NONBLOCK );
+        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 );
         }
diff --git a/libopie2/opiecore/device/odevice_zaurus.h b/libopie2/opiecore/device/odevice_zaurus.h
index 4250356..4314aff 100644
--- a/libopie2/opiecore/device/odevice_zaurus.h
+++ b/libopie2/opiecore/device/odevice_zaurus.h
@@ -3,18 +3,18 @@
                              Copyright (C) 2002-2005 The Opie Team <opie-devel@handhelds.org>
               =.
             .=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; either version 2 of the License,
-     ._= =}       :          or (at your option) any later version.
+ - .   .-<_>     .<>         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.
@@ -120,16 +120,17 @@ class Zaurus : public OAbstractMobileDevice, public QWSServer::KeyboardFilter
     virtual Transformation rotation() const;
     virtual ODirection direction() const;
     virtual bool suspend();
 
   protected:
     virtual void buzzer( int snd );
     virtual bool filter( int unicode, int keycode, int modifiers, bool isPress, bool autoRepeat );
 
+    QString m_backlightdev;
     OLedState m_leds[1];
     bool m_embedix;
 };
 
 struct z_button {
     Qt::Key code;
     char *utext;
     char *pix;