69     BrightnessMode bm = getBrightnessModeForDbv(dbv);  in DbvToBrightness()  local
70     if (bm == BrightnessMode::BM_INVALID) {  in DbvToBrightness()
74     std::optional<float> nits = DbvToNits(bm, dbv);  in DbvToBrightness()
83         float brightness, BrightnessMode& bm) const {  in BrightnessToNits()
84     bm = GetBrightnessMode(brightness);  in BrightnessToNits()
85     if (bm == BrightnessMode::BM_MAX) {  in BrightnessToNits()
88     const DisplayBrightnessRange& range = mBrightnessRanges.at(bm);  in BrightnessToNits()
98 std::optional<uint32_t> BrightnessController::LinearBrightnessTable::NitsToDbv(BrightnessMode bm,  in NitsToDbv()  argument
100     if (mBrightnessRanges.count(bm) == 0) {  in NitsToDbv()
103     const auto& range = mBrightnessRanges.at(bm);  in NitsToDbv()
113 std::optional<float> BrightnessController::LinearBrightnessTable::DbvToNits(BrightnessMode bm,  in DbvToNits()  argument
115     if (mBrightnessRanges.count(bm) == 0) {  in DbvToNits()
118     const auto& range = mBrightnessRanges.at(bm);  in DbvToNits()
944     BrightnessMode bm = BrightnessMode::BM_MAX;  in queryBrightness()  local
945     std::optional<float> nits_value = mBrightnessTable->BrightnessToNits(brightness, bm);  in queryBrightness()
950         *ghbm = (bm == BrightnessMode::BM_HBM);  in queryBrightness()
952     std::optional<uint32_t> dbv_value = mBrightnessTable->NitsToDbv(bm, nits_value.value());  in queryBrightness()
958         if ((bm == BrightnessMode::BM_NOMINAL) && mDbmSupported &&  in queryBrightness()