diff options
Diffstat (limited to 'power-libperfmgr/InteractionHandler.cpp')
| -rw-r--r-- | power-libperfmgr/InteractionHandler.cpp | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/power-libperfmgr/InteractionHandler.cpp b/power-libperfmgr/InteractionHandler.cpp index 79754823..da6a9173 100644 --- a/power-libperfmgr/InteractionHandler.cpp +++ b/power-libperfmgr/InteractionHandler.cpp @@ -28,12 +28,14 @@ #include "InteractionHandler.h" -#define FB_IDLE_PATH "/sys/class/drm/card0/device/idle_state" #define MAX_LENGTH 64 #define MSINSEC 1000L #define USINMS 1000000L +static const std::vector<std::string> fb_idle_patch = {"/sys/class/drm/card0/device/idle_state", + "/sys/class/graphics/fb0/idle_state"}; + InteractionHandler::InteractionHandler(std::shared_ptr<HintManager> const &hint_manager) : mState(INTERACTION_STATE_UNINITIALIZED), mWaitMs(100), @@ -46,17 +48,27 @@ InteractionHandler::~InteractionHandler() { Exit(); } +static int fb_idle_open(void) { + int fd; + for (auto &path : fb_idle_patch) { + fd = open(path.c_str(), O_RDONLY); + if (fd >= 0) + return fd; + } + ALOGE("Unable to open fb idle state path (%d)", errno); + return -1; +} + bool InteractionHandler::Init() { std::lock_guard<std::mutex> lk(mLock); if (mState != INTERACTION_STATE_UNINITIALIZED) return true; - mIdleFd = open(FB_IDLE_PATH, O_RDONLY); - if (mIdleFd < 0) { - ALOGE("Unable to open idle state path (%d)", errno); + int fd = fb_idle_open(); + if (fd < 0) return false; - } + mIdleFd = fd; mEventFd = eventfd(0, EFD_NONBLOCK); if (mEventFd < 0) { |