From 6c790dd4db7b59f6831f966433dbda29179c4481 Mon Sep 17 00:00:00 2001
From: chungkai <chungkai@google.com>
Date: Thu, 7 Apr 2022 02:04:45 +0000
Subject: [PATCH] fix path for i2c peripheral device

paths are changed when we enable parallel module loading and
reorder the initializtaion of devices.

Test: without avc denial on B3 when booting
Bug: 227541760
Signed-off-by: chungkai <chungkai@google.com>
Change-Id: I643b4d06b24bbcad069595fedabb63ac6c36ef09
---
 powerstats/bluejay/service.cpp | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/powerstats/bluejay/service.cpp b/powerstats/bluejay/service.cpp
index 0fe1c04..2138fa3 100644
--- a/powerstats/bluejay/service.cpp
+++ b/powerstats/bluejay/service.cpp
@@ -26,6 +26,7 @@
 #include <android/binder_manager.h>
 #include <android/binder_process.h>
 #include <log/log.h>
+#include <sys/stat.h>
 
 using aidl::android::hardware::power::stats::DisplayStateResidencyDataProvider;
 using aidl::android::hardware::power::stats::EnergyConsumerType;
@@ -54,6 +55,8 @@ void addDisplay(std::shared_ptr<PowerStats> p) {
 }
 
 int main() {
+    struct stat buffer;
+
     LOG(INFO) << "Pixel PowerStats HAL AIDL Service is starting.";
 
     // single thread
@@ -63,8 +66,19 @@ int main() {
 
     addGs101CommonDataProviders(p);
     addDisplay(p);
-    addNFC(p, "/sys/devices/platform/10960000.hsi2c/i2c-3/i2c-st21nfc/power_stats");
-
+    if (!stat("/sys/devices/platform/10960000.hsi2c/i2c-3/i2c-st21nfc/power_stats", &buffer)) {
+        addNFC(p, "/sys/devices/platform/10960000.hsi2c/i2c-3/i2c-st21nfc/power_stats");
+    } else if (!stat("/sys/devices/platform/10960000.hsi2c/i2c-4/i2c-st21nfc/power_stats", &buffer)) {
+        addNFC(p, "/sys/devices/platform/10960000.hsi2c/i2c-4/i2c-st21nfc/power_stats");
+    } else if (!stat("/sys/devices/platform/10960000.hsi2c/i2c-5/i2c-st21nfc/power_stats", &buffer)) {
+        addNFC(p, "/sys/devices/platform/10960000.hsi2c/i2c-5/i2c-st21nfc/power_stats");
+    } else if (!stat("/sys/devices/platform/10960000.hsi2c/i2c-6/i2c-st21nfc/power_stats", &buffer)) {
+        addNFC(p, "/sys/devices/platform/10960000.hsi2c/i2c-6/i2c-st21nfc/power_stats");
+    } else if (!stat("/sys/devices/platform/10960000.hsi2c/i2c-7/i2c-st21nfc/power_stats", &buffer)) {
+        addNFC(p, "/sys/devices/platform/10960000.hsi2c/i2c-7/i2c-st21nfc/power_stats");
+    } else {
+        addNFC(p, "/sys/devices/platform/10960000.hsi2c/i2c-8/i2c-st21nfc/power_stats");
+    }
     const std::string instance = std::string() + PowerStats::descriptor + "/default";
     binder_status_t status = AServiceManager_addService(p->asBinder().get(), instance.c_str());
     LOG_ALWAYS_FATAL_IF(status != STATUS_OK);