summaryrefslogtreecommitdiff
path: root/libopie2
Side-by-side diff
Diffstat (limited to 'libopie2') (more/less context) (show whitespace changes)
-rw-r--r--libopie2/opiecore/device/odevice_palm.cpp16
1 files changed, 10 insertions, 6 deletions
diff --git a/libopie2/opiecore/device/odevice_palm.cpp b/libopie2/opiecore/device/odevice_palm.cpp
index 399c08c..d40dfce 100644
--- a/libopie2/opiecore/device/odevice_palm.cpp
+++ b/libopie2/opiecore/device/odevice_palm.cpp
@@ -229,17 +229,19 @@ bool Palm::suspend()
int Palm::displayBrightnessResolution() const
{
int res = 1;
+ int fd = -1;
switch ( d->m_model )
{
case Model_Palm_LD:
case Model_Palm_TX:
case Model_Palm_Z72:
- int fd = ::open( m_backlightdev + "max_brightness", O_RDONLY|O_NONBLOCK );
- if ( fd )
+ fd = ::open( m_backlightdev + "max_brightness", O_RDONLY|O_NONBLOCK );
+ if ( fd != -1)
{
char buf[100];
- if ( ::read( fd, &buf[0], sizeof buf ) ) ::sscanf( &buf[0], "%d", &res );
+ if ( ::read( fd, &buf[0], sizeof buf ) > 0 )
+ ::sscanf( &buf[0], "%d", &res );
::close( fd );
}
break;
@@ -261,6 +263,7 @@ bool Palm::setDisplayBrightness( int bright )
int numberOfSteps = displayBrightnessResolution();
int val = ( bright == 1 ) ? 1 : ( bright * numberOfSteps ) / 255;
+ int fd = -1;
switch ( d->m_model )
{
@@ -268,8 +271,8 @@ bool Palm::setDisplayBrightness( int bright )
case Model_Palm_LD:
case Model_Palm_TX:
case Model_Palm_Z72:
- int fd = ::open( m_backlightdev + "brightness", O_WRONLY|O_NONBLOCK );
- if ( fd )
+ fd = ::open( m_backlightdev + "brightness", O_WRONLY|O_NONBLOCK );
+ if ( fd != -1 )
{
char buf[100];
int len = ::snprintf( &buf[0], sizeof buf, "%d", val );
@@ -278,7 +281,8 @@ bool Palm::setDisplayBrightness( int bright )
}
break;
- default: res = false;
+ default:
+ res = false;
}
return res;
}