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android_device_oneplus_sm8150-common
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sm8150-common: tri-state-key: Add hall sensor calibration support 

* Needed for OnePlus 7 (and possibly 7T).

Change-Id: I8449041eec5c8ab4153bd2942ebc7fda9ceb743e
This commit is contained in:
Hikari-no-Tenshi 2019-11-14 10:32:07 +02:00 committed by LuK1337
parent e9ea023e0a
commit 5d4b065ffc
5 changed files with 23 additions and 0 deletions
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1
sepolicy/vendor/file.te vendored
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@ -24,4 +24,5 @@ type sysfs_fod, sysfs_type, fs_type;
type sysfs_fpc, sysfs_type, fs_type;
type sysfs_fsc, sysfs_type, fs_type;
type sysfs_project_info, sysfs_type, fs_type;
type sysfs_tri_state_key, sysfs_type, fs_type;
type sysfs_vl53l1, sysfs_type, fs_type;

2
sepolicy/vendor/file_contexts vendored
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@ -61,7 +61,9 @@
/dev/socket/vl53l1_daemon u:object_r:vl53l1_socket:s0
# Sys files
/sys/bus/platform/devices/soc/soc:tri_state_key/hall_data_calib u:object_r:sysfs_tri_state_key:s0
/sys/devices/platform/soc/soc:fingerprint_detect/sensor_version u:object_r:sysfs_fpc:s0
/sys/devices/platform/soc/soc:tri_state_key/hall_data_calib u:object_r:sysfs_tri_state_key:s0
/sys/devices/platform/vendor/vendor:motor_pl(/.*)? u:object_r:sysfs_motor:s0
/sys/elliptic/engine/calibration_v2 u:object_r:sysfs_audio:s0
/sys/module/fsc(/.*)? u:object_r:sysfs_fsc:s0

6
sepolicy/vendor/tri-state-key_daemon.te vendored
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@ -5,3 +5,9 @@ init_daemon_domain(tri-state-key_daemon)
allow tri-state-key_daemon uhid_device:chr_file rw_file_perms;
allow tri-state-key_daemon self:netlink_kobject_uevent_socket create_socket_perms_no_ioctl;
allow tri-state-key_daemon sysfs_tri_state_key:file w_file_perms;
allow tri-state-key_daemon mnt_vendor_file:dir search;
r_dir_file(tri-state-key_daemon, persist_engineer_file)

11
tri-state-key/main.cpp
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@ -16,6 +16,7 @@
#define LOG_TAG "tri-state-key_daemon"
#include <android-base/file.h>
#include <android-base/logging.h>
#include <fcntl.h>
#include <linux/input.h>
@ -24,10 +25,15 @@
#include "uevent_listener.h"
#define HALL_CALIBRATION_DATA "/sys/bus/platform/devices/soc:tri_state_key/hall_data_calib"
#define HALL_PERSIST_CALIBRATION_DATA "/mnt/vendor/persist/engineermode/tri_state_hall_data"
#define KEY_MODE_NORMAL 601
#define KEY_MODE_VIBRATION 602
#define KEY_MODE_SILENCE 603
using android::base::ReadFileToString;
using android::base::WriteStringToFile;
using android::Uevent;
using android::UeventListener;
@ -39,6 +45,11 @@ int main() {
LOG(INFO) << "Started";
if (std::string hallData; ReadFileToString(HALL_PERSIST_CALIBRATION_DATA, &hallData)) {
std::replace(hallData.begin(), hallData.end(), ';', ',');
WriteStringToFile(hallData, HALL_CALIBRATION_DATA);
}
uinputFd = open("/dev/uinput", O_WRONLY | O_NONBLOCK);
if (uinputFd < 0) {
LOG(ERROR) << "Unable to open uinput node";

3
tri-state-key/tri-state-key_daemon.rc
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@ -1,4 +1,7 @@
on fs
chown system system /sys/bus/platform/devices/soc/soc\:tri_state_key/hall_data_calib
chown system system /mnt/vendor/persist/engineermode/tri_state_hall_data
start tri-state-key_daemon
service tri-state-key_daemon /vendor/bin/tri-state-key_daemon