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power: Allow devices to override node paths

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Change-Id: Ida7f41ddce2ef458cc77348c0b44ec0a7a86df72
This commit is contained in:
Christopher N. Hesse 2016-12-07 12:21:44 +01:00
parent f3c6a42a21
commit 4139d85cc6
3 changed files with 45 additions and 12 deletions
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12
power/Android.mk
View file

@ -12,16 +12,20 @@
# See the License for the specific language governing permissions and
# limitations under the License.
LOCAL_PATH := $(call my-dir)
ifeq ($(TARGET_POWERHAL_VARIANT),samsung)
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES := power.c
LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
LOCAL_SHARED_LIBRARIES := liblog libcutils
LOCAL_MODULE := power.$(TARGET_BOOTLOADER_BOARD_NAME)
LOCAL_MODULE_RELATIVE_PATH := hw
LOCAL_SHARED_LIBRARIES := liblog libcutils
LOCAL_SRC_FILES := power.c
LOCAL_MODULE_TAGS := optional
ifneq ($(TARGET_TAP_TO_WAKE_NODE),)

36
power/include/samsung_power.h Normal file
View file

@ -0,0 +1,36 @@
/*
* Copyright (C) 2016 The CyanogenMod 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.
*/
#ifndef SAMSUNG_POWER_H
#define SAMSUNG_POWER_H
/*
* Board specific nodes
*
* If your kernel exposes these controls in another place, you can either
* symlink to the locations given here, or override this header in your
* device tree.
*/
#define BOOSTPULSE_PATH "/sys/devices/system/cpu/cpu0/cpufreq/interactive/boostpulse"
#define IO_IS_BUSY_PATH "/sys/devices/system/cpu/cpu0/cpufreq/interactive/io_is_busy"
#define CPU0_HISPEED_FREQ_PATH "/sys/devices/system/cpu/cpu0/cpufreq/interactive/hispeed_freq"
#define CPU0_MAX_FREQ_PATH "/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq"
#define CPU4_HISPEED_FREQ_PATH "/sys/devices/system/cpu/cpu4/cpufreq/interactive/hispeed_freq"
#define CPU4_MAX_FREQ_PATH "/sys/devices/system/cpu/cpu4/cpufreq/scaling_max_freq"
#endif // SAMSUNG_POWER_H

9
power/power.c
View file

@ -37,14 +37,7 @@
#include <hardware/hardware.h>
#include <hardware/power.h>
#define BOOSTPULSE_PATH "/sys/devices/system/cpu/cpu0/cpufreq/interactive/boostpulse"
#define IO_IS_BUSY_PATH "/sys/devices/system/cpu/cpu0/cpufreq/interactive/io_is_busy"
#define CPU0_HISPEED_FREQ_PATH "/sys/devices/system/cpu/cpu0/cpufreq/interactive/hispeed_freq"
#define CPU0_MAX_FREQ_PATH "/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq"
#define CPU4_HISPEED_FREQ_PATH "/sys/devices/system/cpu/cpu4/cpufreq/interactive/hispeed_freq"
#define CPU4_MAX_FREQ_PATH "/sys/devices/system/cpu/cpu4/cpufreq/scaling_max_freq"
#include "samsung_power.h"
#define PANEL_BRIGHTNESS "/sys/class/backlight/panel/brightness"