void ExternalDisplay::processUEventOnline(const char *str) {
const char *s1 = str + (strlen(str)-strlen(DEVICE_NODE_FB1));
// check if it is for FB1
if(strncmp(s1,DEVICE_NODE_FB1, strlen(DEVICE_NODE_FB1))== 0) {
if(isHDMIConfigured()) {
// HDMI connect event.
// Tear-down WFD if it is active.
if(mExternalDisplay == EXTERN_DISPLAY_FB2) {
closeFrameBuffer();
setExternalDisplay(EXTERN_DISPLAY_NONE);
triggerRefresh();
}
}
readResolution();
//Get the best mode and set
setResolution(getBestMode());
enableHDMIVsync(EXTERN_DISPLAY_FB1);
setExternalDisplay(EXTERN_DISPLAY_FB1);
triggerRefresh();
}
else if(strncmp(s1, DEVICE_NODE_FB2, strlen(DEVICE_NODE_FB2)) == 0) {
// WFD connect event
if(mExternalDisplay == EXTERN_DISPLAY_FB1) {
// HDMI has higher priority.
// Do Not Override.
}else {
// WFD is connected
openFrameBuffer(EXTERN_DISPLAY_FB2);
setExternalDisplay(EXTERN_DISPLAY_FB2);
triggerRefresh();
}
}
}
ExternalDisplay::ExternalDisplay(hwc_context_t* ctx):mFd(-1),
mCurrentMode(-1), mExternalDisplay(0), mModeCount(0), mHwcContext(ctx)
{
memset(&mVInfo, 0, sizeof(mVInfo));
//Enable HPD for HDMI
if(isHDMIConfigured()) {
writeHPDOption(1);
}
}
void ExternalDisplay::processUEventOffline(const char *str) {
const char *s1 = str + (strlen(str)-strlen(DEVICE_NODE_FB1));
// check if it is for FB1
if(strncmp(s1,DEVICE_NODE_FB1, strlen(DEVICE_NODE_FB1))== 0) {
if(isHDMIConfigured()) {
enableHDMIVsync(EXTERN_DISPLAY_NONE);
closeFrameBuffer();
resetInfo();
} else {
closeFrameBuffer();
}
}
else if(strncmp(s1, DEVICE_NODE_FB2, strlen(DEVICE_NODE_FB2)) == 0) {
closeFrameBuffer();
}
setExternalDisplay(EXTERN_DISPLAY_NONE);
}
