Hardware: Fingerprint: Introducing Fingerprint HAL
Change-Id: I4e55c42841c3b6a1327a16bdf6d1d4bb3847c7f3
Signed-off-by: Sasha Levitskiy <sanek@google.com>
diff --git a/modules/fingerprint/fingerprint.c b/modules/fingerprint/fingerprint.c
new file mode 100644
index 0000000..3bdcdab
--- /dev/null
+++ b/modules/fingerprint/fingerprint.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define LOG_TAG "FingerprintHal"
+
+#include <errno.h>
+#include <string.h>
+#include <cutils/log.h>
+#include <hardware/hardware.h>
+#include <hardware/fingerprint.h>
+
+static int fingerprint_close(hw_device_t *dev)
+{
+ if (dev) {
+ free(dev);
+ return 0;
+ } else {
+ return -1;
+ }
+}
+
+static fingerprint_msg_t fingerprint_enroll(unsigned timeout_sec,
+ unsigned *data) {
+ (void)timeout_sec;
+ (void)data;
+ return FINGERPRINT_ERROR;
+}
+
+static fingerprint_msg_t fingerprint_remove(unsigned fingerprint_id) {
+ (void)fingerprint_id;
+ return FINGERPRINT_ERROR;
+}
+
+static fingerprint_msg_t fingerprint_match(unsigned fingerprint_id,
+ unsigned timeout_sec) {
+ (void)fingerprint_id;
+ (void)timeout_sec;
+ return FINGERPRINT_ERROR;
+}
+
+static int fingerprint_open(const hw_module_t* module, const char* id,
+ hw_device_t** device)
+{
+ (void)id;
+
+ if (device == NULL) {
+ ALOGE("NULL device on open");
+ return -EINVAL;
+ }
+
+ fingerprint_device_t *dev = malloc(sizeof(fingerprint_device_t));
+ memset(dev, 0, sizeof(fingerprint_device_t));
+
+ dev->common.tag = HARDWARE_DEVICE_TAG;
+ dev->common.version = 0;
+ dev->common.module = (struct hw_module_t*) module;
+ dev->common.close = fingerprint_close;
+
+ dev->enroll = fingerprint_enroll;
+ dev->remove = fingerprint_remove;
+ dev->match = fingerprint_match;
+
+ *device = (hw_device_t*) dev;
+ return 0;
+}
+
+static struct hw_module_methods_t fingerprint_module_methods = {
+ .open = fingerprint_open,
+};
+
+fingerprint_module_t HAL_MODULE_INFO_SYM = {
+ .common = {
+ .tag = HARDWARE_MODULE_TAG,
+ .module_api_version = FINGERPRINT_MODULE_API_VERSION_1_0,
+ .hal_api_version = HARDWARE_HAL_API_VERSION,
+ .id = FINGERPRINT_HARDWARE_MODULE_ID,
+ .name = "Demo Fingerprint HAL",
+ .author = "The Android Open Source Project",
+ .methods = &fingerprint_module_methods,
+ },
+};