Inotify support for TSLib (a9c0f0d6) · Commits · e / os / android_frameworks_base

libs/ui/EventHub.cpp

+40 −7

Original line number	Diff line number	Diff line
		@@ -76,6 +76,11 @@ namespace android {
		static const char *WAKE_LOCK_ID = "KeyEvents";
		static const char *device_path = "/dev/input";

		#ifdef HAVE_TSLIB
		static const char *ts_path = "/data/misc/tscal";
		static const char *pointercal_path = "/data/misc/tscal/pointercal";
		#endif

		/* return the larger integer */
		static inline int max(int v1, int v2)
		{
		@@ -387,8 +392,8 @@ bool EventHub::getEvent(int32_t* outDeviceId, int32_t* outType,
		#ifdef HAVE_TSLIB
		}
		else{
		LOGI("mTS->fd = %d", mTS->fd);
		LOGI("tslib: calling ts_read from eventhub\n");
		LOGV("mTS->fd = %d", mTS->fd);
		LOGV("tslib: calling ts_read from eventhub\n");
		res = ts_read(mTS, &samp, 1);

		if (res < 0) {
		@@ -514,6 +519,15 @@ bool EventHub::openPlatformInput(void)
		if(res < 0) {
		LOGE("could not add watch for %s, %s\n", device_path, strerror(errno));
		}
		#ifdef HAVE_TSLIB
		res = inotify_add_watch(mFDs[0].fd, pointercal_path, IN_MODIFY);
		if (res < 0) {
		res = inotify_add_watch(mFDs[0].fd, ts_path, IN_MODIFY);
		if (res < 0) {
		LOGE("could not add watch for %s, %s\n", ts_path, strerror(errno));
		}
		}
		#endif
		#else
		/*
		* The code in EventHub::getEvent assumes that mFDs[0] is an inotify fd.
		@@ -954,6 +968,19 @@ int EventHub::read_notify(int nfd)
		//printf("%d: %08x \"%s\"\n", event->wd, event->mask, event->len ? event->name : "");
		if(event->len) {
		strcpy(filename, event->name);
		#ifdef HAVE_TSLIB
		if (!strcmp(filename, "pointercal")) {
		if (mTS->fd)
		ts_reload(mTS);
		inotify_rm_watch(mFDs[0].fd, res);
		res = inotify_add_watch(mFDs[0].fd, pointercal_path, IN_MODIFY);
		if(res < 0) {
		LOGE("could not add watch for %s, %s\n", pointercal_path, strerror(errno));
		}
		} else {
		#else
		{
		#endif
		if(event->mask & IN_CREATE) {
		open_device(devname);
		}
		@@ -961,6 +988,12 @@ int EventHub::read_notify(int nfd)
		close_device(devname);
		}
		}
		#ifdef HAVE_TSLIB
		} else {
		if (mTS->fd)
		ts_reload(mTS);
		#endif
		}
		event_size = sizeof(*event) + event->len;
		res -= event_size;
		event_pos += event_size;