From 9a4b3a90fdd4ac0288034657d4818e3d10ed0193 Mon Sep 17 00:00:00 2001
From: mickeyl <mickeyl>
Date: Thu, 09 Jun 2005 09:14:22 +0000
Subject: add support for the linux 2.6 backlight interface on tosa, poodle, and collie

---
(limited to 'libopie2')

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
@@ -1,28 +1,27 @@
 /*
-                             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.
@@ -120,7 +119,7 @@ struct z_button z_buttons_c700 [] = {
 //
 //       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)
@@ -199,6 +198,20 @@ void Zaurus::init(const QString& cpu_info)
         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
@@ -411,7 +424,7 @@ int Zaurus::displayBrightnessResolution() const
     }
     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];
@@ -444,7 +457,7 @@ bool Zaurus::setDisplayBrightness( int bright )
     }
     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];
@@ -471,7 +484,7 @@ bool Zaurus::setDisplayStatus( bool on )
     }
     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];
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
@@ -8,8 +8,8 @@
 .> <`_,   >  .   <=          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;
@@ -125,6 +125,7 @@ class Zaurus : public OAbstractMobileDevice, public QWSServer::KeyboardFilter
     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;
 };
--
cgit v0.9.0.2