diff --git a/services/core/java/com/android/server/VibratorService.java b/services/core/java/com/android/server/VibratorService.java index c2284224502d0..9eb66dd281e1c 100644 --- a/services/core/java/com/android/server/VibratorService.java +++ b/services/core/java/com/android/server/VibratorService.java @@ -88,6 +88,7 @@ public class VibratorService extends IVibratorService.Stub private SettingsObserver mSettingObserver; native static boolean vibratorExists(); + native static void vibratorInit(); native static void vibratorOn(long milliseconds); native static void vibratorOff(); @@ -195,6 +196,7 @@ public class VibratorService extends IVibratorService.Stub } VibratorService(Context context) { + vibratorInit(); // Reset the hardware to a default state, in case this is a runtime // restart instead of a fresh boot. vibratorOff(); diff --git a/services/core/jni/com_android_server_VibratorService.cpp b/services/core/jni/com_android_server_VibratorService.cpp index 64278ed4499b3..03fbd19094ba0 100644 --- a/services/core/jni/com_android_server_VibratorService.cpp +++ b/services/core/jni/com_android_server_VibratorService.cpp @@ -22,32 +22,69 @@ #include #include -#include +#include #include namespace android { +static hw_module_t *gVibraModule = NULL; +static vibrator_device_t *gVibraDevice = NULL; + +static void vibratorInit(JNIEnv /* env */, jobject /* clazz */) +{ + if (gVibraModule != NULL) { + return; + } + + int err = hw_get_module(VIBRATOR_HARDWARE_MODULE_ID, (hw_module_t const**)&gVibraModule); + + if (err) { + ALOGE("Couldn't load %s module (%s)", VIBRATOR_HARDWARE_MODULE_ID, strerror(-err)); + } else { + if (gVibraModule) { + vibrator_open(gVibraModule, &gVibraDevice); + } + } +} + static jboolean vibratorExists(JNIEnv* /* env */, jobject /* clazz */) { - return vibrator_exists() > 0 ? JNI_TRUE : JNI_FALSE; + if (gVibraModule && gVibraDevice) { + return JNI_TRUE; + } else { + return JNI_FALSE; + } } static void vibratorOn(JNIEnv* /* env */, jobject /* clazz */, jlong timeout_ms) { - // ALOGI("vibratorOn\n"); - vibrator_on(timeout_ms); + if (gVibraDevice) { + int err = gVibraDevice->vibrator_on(gVibraDevice, timeout_ms); + if (err != 0) { + ALOGE("The hw module failed in vibrator_on: %s", strerror(-err)); + } + } else { + ALOGW("Tried to vibrate but there is no vibrator device."); + } } static void vibratorOff(JNIEnv* /* env */, jobject /* clazz */) { - // ALOGI("vibratorOff\n"); - vibrator_off(); + if (gVibraDevice) { + int err = gVibraDevice->vibrator_off(gVibraDevice); + if (err != 0) { + ALOGE("The hw module failed in vibrator_off(): %s", strerror(-err)); + } + } else { + ALOGW("Tried to stop vibrating but there is no vibrator device."); + } } static const JNINativeMethod method_table[] = { { "vibratorExists", "()Z", (void*)vibratorExists }, + { "vibratorInit", "()V", (void*)vibratorInit }, { "vibratorOn", "(J)V", (void*)vibratorOn }, { "vibratorOff", "()V", (void*)vibratorOff } };