Dump the sys node of LED am: 9fe1f4be94 am: fc52205595

Original change: https://googleplex-android-review.googlesource.com/c/device/google/gs201/+/19895567

Change-Id: I8639fa0724a9105a2baa2d0eba71b857092a1130
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

2 files changed, 17 insertions, 0 deletions

diff --git a/dumpstate/Dumpstate.cpp b/dumpstate/Dumpstate.cpp
index c2ba16b..bbc203c 100644
--- a/dumpstate/Dumpstate.cpp
+++ b/dumpstate/Dumpstate.cpp
@@ -240,6 +240,7 @@ Dumpstate::Dumpstate()
         { "misc", [this](int fd) { dumpMiscSection(fd); } },
         { "dump", [this](int fd) { dumpSection(fd); } },
         { "trusty", [this](int fd) { dumpTrustySection(fd); } },
+        { "led", [this](int fd) { dumpLEDSection(fd); } },
     },
   mLogSections{
         { "modem", [this](int fd, const std::string &destDir) { dumpModemLogs(fd, destDir); } },
@@ -1134,6 +1135,21 @@ void Dumpstate::dumpTrustySection(int fd) {
     RunCommandToFd(fd, "Trusty TEE0 Logs", {"/vendor/bin/sh", "-c", "cat /dev/trusty-log0"}, CommandOptions::WithTimeout(1).Build());
 }
 
+// Dump items related to LED
+void Dumpstate::dumpLEDSection(int fd) {
+    struct stat buffer;
+
+    if (!PropertiesHelper::IsUserBuild()) {
+        if (!stat("/sys/class/leds/green", &buffer)) {
+            DumpFileToFd(fd, "Green LED Brightness", "/sys/class/leds/green/brightness");
+            DumpFileToFd(fd, "Green LED Max Brightness", "/sys/class/leds/green/max_brightness");
+        }
+        if (!stat("/mnt/vendor/persist/led/led_calibration_LUT.txt", &buffer)) {
+            DumpFileToFd(fd, "LED Calibration Data", "/mnt/vendor/persist/led/led_calibration_LUT.txt");
+        }
+    }
+}
+
 void Dumpstate::dumpModemSection(int fd) {
     DumpFileToFd(fd, "Modem Stat", "/data/vendor/modem_stat/debug.txt");
     RunCommandToFd(fd, "Modem SSR history", {"/vendor/bin/sh", "-c",
diff --git a/dumpstate/Dumpstate.h b/dumpstate/Dumpstate.h
index 89d00f3..e7ead77 100644
--- a/dumpstate/Dumpstate.h
+++ b/dumpstate/Dumpstate.h
@@ -69,6 +69,7 @@ class Dumpstate : public BnDumpstateDevice {
     void dumpMiscSection(int fd);
     void dumpSection(int fd);
     void dumpTrustySection(int fd);
+    void dumpLEDSection(int fd);
 
     void dumpLogSection(int fd, int fdModem);