LineageOS/android_vendor_qcom_opensource_display-commonsys-intf
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

libexternal: enable HPD if target supports HDMI

Browse Source 
enable HPD only on targets that has valid HDMI fb device.

Change-Id: Ia43d9138167b6ab3a887f7663a05831a2fcc09ea
CRs-fixed: 506363
This commit is contained in:
Arun Kumar K.R
2013-06-26 16:20:30 -07:00
parent 34e8b81174
commit 47d6b64faa
1 changed files with 20 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
libexternal/external.cpp
View File

@@ -670,6 +670,7 @@ int ExternalDisplay::getExtFbNum(int &fbNum) {
bool ExternalDisplay::writeHPDOption(int userOption) const bool ExternalDisplay::writeHPDOption(int userOption) const
{ {
bool ret = true; bool ret = true;
if(mHdmiFbNum != -1) {
char sysFsHPDFilePath[MAX_SYSFS_FILE_PATH]; char sysFsHPDFilePath[MAX_SYSFS_FILE_PATH];
snprintf(sysFsHPDFilePath ,sizeof(sysFsHPDFilePath), snprintf(sysFsHPDFilePath ,sizeof(sysFsHPDFilePath),
"/sys/devices/virtual/graphics/fb%d/hpd", mHdmiFbNum); "/sys/devices/virtual/graphics/fb%d/hpd", mHdmiFbNum);
@@ -691,6 +692,7 @@ bool ExternalDisplay::writeHPDOption(int userOption) const
} }
close(hdmiHPDFile); close(hdmiHPDFile);
} }
}
return ret; return ret;
} }