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75 lines
1.9 KiB
75 lines
1.9 KiB
4 years ago
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/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_NIDEBUG 0
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#define LOG_TAG "android.hardware.power@1.3-service.pixel-libperfmgr"
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#include <dlfcn.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <cutils/sockets.h>
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#include <log/log.h>
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#include "display-helper.h"
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#define DAEMON_SOCKET "pps"
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static int daemon_socket = -1;
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static int connectPPDaemon() {
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// Setup socket connection, if not already done.
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if (daemon_socket < 0)
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daemon_socket =
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socket_local_client(DAEMON_SOCKET, ANDROID_SOCKET_NAMESPACE_RESERVED, SOCK_STREAM);
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if (daemon_socket < 0) {
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ALOGE("Connecting to socket failed: %s", strerror(errno));
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return -1;
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}
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return 0;
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}
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static int ppdComm(const char *cmd) {
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int ret = -1;
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ret = connectPPDaemon();
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if (ret < 0)
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return ret;
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ret = write(daemon_socket, cmd, strlen(cmd));
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if (ret < 0) {
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ALOGE("Failed to send data over socket, %s", strerror(errno));
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return ret;
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}
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return 0;
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}
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void set_display_lpm(int enable) {
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ALOGI("set_display_lpm state: %d", enable);
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if (enable) {
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ppdComm("foss:on");
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} else {
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ppdComm("foss:off");
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}
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}
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