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am 425324e9: am e834722f: Merge "Fix failure to open AVRCP input device due to EPERM." into eclair

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Merge commit '425324e97bba75cd69bb6c81de6248529540e6fe'

* commit '425324e97bba75cd69bb6c81de6248529540e6fe':
  Fix failure to open AVRCP input device due to EPERM.
This commit is contained in:
Nick Pelly 2010-01-25 18:12:47 -08:00 committed by Android Git Automerger
commit 2b2c2e3a35
1 changed files with 8 additions and 2 deletions
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10
libs/ui/EventHub.cpp
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@ -489,6 +489,7 @@ int EventHub::open_device(const char *deviceName)
{
int version;
int fd;
int attempt;
struct pollfd *new_mFDs;
device_t **new_devices;
char **new_device_names;
@ -500,12 +501,17 @@ int EventHub::open_device(const char *deviceName)
LOGV("Opening device: %s", deviceName);
AutoMutex _l(mLock);
fd = open(deviceName, O_RDWR);
for (attempt = 0; attempt < 10; attempt++) {
fd = open(deviceName, O_RDWR);
if (fd >= 0) break;
usleep(100);
}
if(fd < 0) {
LOGE("could not open %s, %s\n", deviceName, strerror(errno));
return -1;
}
LOGV("Opened device: %s (%d failures)", deviceName, attempt);
if(ioctl(fd, EVIOCGVERSION, &version)) {
LOGE("could not get driver version for %s, %s\n", deviceName, strerror(errno));