From dd3dccb5b3ece993ea648f76ff0cc9aa08527061 Mon Sep 17 00:00:00 2001
From: Muhammad <muhammad23012009@hotmail.com>
Date: Fri, 12 May 2023 17:49:30 +0500
Subject: src: add support for getting flashlight paths through deviceinfo

Signed-off-by: Muhammad <muhammad23012009@hotmail.com>
---
 src/CMakeLists.txt          |  9 ++++++++-
 src/deviceinfo-flashlight.c | 13 ++++++++++++
 src/flashlight.c            | 48 +++++++++++++++++++++++++++++++++------------
 3 files changed, 56 insertions(+), 14 deletions(-)
 create mode 100644 src/deviceinfo-flashlight.c

(limited to 'src')

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index df2fd5d..f765f23 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,7 +1,14 @@
+if (ENABLE_DEVICEINFO)
+    set(FLASHLIGHT_DEVICEINFO
+        deviceinfo-flashlight.c)
+    add_definitions(-DENABLE_LIBDEVICEINFO)
+endif ()
+
 # handwritten sources
 set(SERVICE_MANUAL_SOURCES
     brightness.c
     datafiles.c
+    ${FLASHLIGHT_DEVICEINFO}
     device-provider-mock.c
     device-provider-upower.c
     device-provider.c
@@ -45,5 +52,5 @@ link_directories(${SERVICE_DEPS_LIBRARY_DIRS})
 
 # the executable: lib + main()
 add_executable (${SERVICE_EXEC} main.c)
-target_link_libraries (${SERVICE_EXEC} ${SERVICE_LIB} ${SERVICE_DEPS_LIBRARIES})
+target_link_libraries (${SERVICE_EXEC} ${SERVICE_LIB} ${SERVICE_DEPS_LIBRARIES} ${DEVICEINFO_LIBRARIES})
 install (TARGETS ${SERVICE_EXEC} RUNTIME DESTINATION "${CMAKE_INSTALL_FULL_LIBEXECDIR}/${CMAKE_PROJECT_NAME}")
diff --git a/src/deviceinfo-flashlight.c b/src/deviceinfo-flashlight.c
new file mode 100644
index 0000000..e31c1ff
--- /dev/null
+++ b/src/deviceinfo-flashlight.c
@@ -0,0 +1,13 @@
+#include <deviceinfo_c_api.h>
+
+char* flashlight_path()
+{
+        struct DeviceInfo* di = deviceinfo_new();
+        return deviceinfo_get(di, "FlashlightSysfsPath", "");
+}
+
+char* flashlight_switch_path()
+{
+        struct DeviceInfo* di = deviceinfo_new();
+        return deviceinfo_get(di, "FlashlightSwitchPath", "");
+}
diff --git a/src/flashlight.c b/src/flashlight.c
index 0a68af2..88e93fd 100644
--- a/src/flashlight.c
+++ b/src/flashlight.c
@@ -31,6 +31,11 @@
 #define SIMPLE_ENABLE "1"
 #define SIMPLE_DISABLE "0"
 
+#ifdef ENABLE_LIBDEVICEINFO
+extern char* flashlight_path();
+extern char* flashlight_switch_path();
+#endif
+
 const size_t qcom_sysfs_size = 7;
 const char* const qcom_sysfs[] = {"/sys/class/leds/torch-light/brightness",
                                   "/sys/class/leds/led:flash_torch/brightness",
@@ -56,24 +61,41 @@ gboolean activated = 0;
 int
 set_sysfs_path()
 {
-  for (size_t i = 0; i < qcom_sysfs_size; i++) {
-    if (access(qcom_sysfs[i], F_OK ) != -1){
-        flash_sysfs_path = (char*)qcom_sysfs[i];
-        torch_type = QCOM;
-        /* Qualcomm torch; determine switch file (if one is needed) */
-        for (size_t i = 0; i < qcom_switch_size; i++) {
-          if (access(qcom_switch[i], F_OK ) != -1)
-              qcom_switch_path = (char*)qcom_switch[i];
+# ifdef ENABLE_LIBDEVICEINFO
+  if (strcmp(flashlight_path(), "")) {
+    if (access(flashlight_path(), F_OK) != -1) {
+        flash_sysfs_path = flashlight_path();
+        if (strcmp(flashlight_switch_path(), "")) {
+          if (access(flashlight_switch_path(), F_OK) != -1) {
+              qcom_switch_path = flashlight_switch_path();
+              torch_type = QCOM;
+          }
         }
         return 1;
     }
-  }
-  for (size_t i = 0; i < simple_sysfs_size; i++) {
-    if (access(simple_sysfs[i], F_OK ) != -1){
-        flash_sysfs_path = (char*)simple_sysfs[i];
-        return 1;
+  } else {
+# endif
+    for (size_t i = 0; i < qcom_sysfs_size; i++) {
+      if (access(qcom_sysfs[i], F_OK ) != -1){
+          flash_sysfs_path = (char*)qcom_sysfs[i];
+          torch_type = QCOM;
+          /* Qualcomm torch; determine switch file (if one is needed) */
+          for (size_t i = 0; i < qcom_switch_size; i++) {
+            if (access(qcom_switch[i], F_OK ) != -1)
+                qcom_switch_path = (char*)qcom_switch[i];
+          }
+          return 1;
+      }
+    }
+    for (size_t i = 0; i < simple_sysfs_size; i++) {
+      if (access(simple_sysfs[i], F_OK ) != -1){
+          flash_sysfs_path = (char*)simple_sysfs[i];
+          return 1;
+      }
     }
+# ifdef ENABLE_LIBDEVICEINFO
   }
+# endif
   return 0;
 }
 
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