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src/driver/vfd.cpp: -fix ioctl error on shutdown

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This commit is contained in:
satbaby
2012-10-29 13:24:11 +01:00
parent 38479e11bf
commit c2052784ec
1 changed files with 4 additions and 2 deletions
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6
src/driver/vfd.cpp
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@@ -73,8 +73,10 @@ CVFD::CVFD()
CVFD::~CVFD()
{
if(fd > 0)
if(fd > 0){
close(fd);
fd = -1;
}
}
CVFD* CVFD::getInstance()
@@ -678,7 +680,7 @@ void CVFD::Clear()
void CVFD::ShowIcon(vfd_icon icon, bool show)
{
if(!has_lcd) return;
if(!has_lcd || fd < 0) return;
//printf("CVFD::ShowIcon %s %x\n", show ? "show" : "hide", (int) icon);
int ret = ioctl(fd, show ? IOC_VFD_SET_ICON : IOC_VFD_CLEAR_ICON, icon);
if(ret < 0)