diff options
Diffstat (limited to 'GNexusParts/src/com/cyanogenmod/settings/device/GpuOverclock.java')
-rw-r--r-- | GNexusParts/src/com/cyanogenmod/settings/device/GpuOverclock.java | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/GNexusParts/src/com/cyanogenmod/settings/device/GpuOverclock.java b/GNexusParts/src/com/cyanogenmod/settings/device/GpuOverclock.java new file mode 100644 index 0000000..9dba113 --- /dev/null +++ b/GNexusParts/src/com/cyanogenmod/settings/device/GpuOverclock.java @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2012 The CyanogenMod Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.cyanogenmod.settings.device; + +import android.content.Context; +import android.content.SharedPreferences; +import android.preference.ListPreference; +import android.preference.Preference; +import android.preference.Preference.OnPreferenceChangeListener; +import android.preference.PreferenceManager; + +public class GpuOverclock implements OnPreferenceChangeListener { + + private static final String FILE = "/sys/devices/system/cpu/cpu0/cpufreq/gpu_oc"; + + public static boolean isSupported() { + return Utils.fileExists(FILE); + } + + public static void restore(Context context) { + if (!isSupported()) { + return; + } + + SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context); + Utils.writeValue(FILE, sharedPrefs.getString(DevicePreferenceActivity.KEY_GPU_OVERCLOCK, "0")); + } + + public boolean onPreferenceChange(Preference preference, Object newValue) { + Utils.writeValue(FILE, (String) newValue); + updateSummary((ListPreference) preference, Integer.parseInt(newValue.toString())); + return true; + } + + public static void updateSummary(ListPreference preference, int value) { + final CharSequence[] entries = preference.getEntries(); + final CharSequence[] values = preference.getEntryValues(); + int best = 0; + for (int i = 0; i < values.length; i++) { + int summaryValue = Integer.parseInt(values[i].toString()); + if (value >= summaryValue) { + best = i; + } + } + preference.setSummary(entries[best].toString()); + } +} |