67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/*
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* Copyright (c) 2012 Samsung Electronics Co., Ltd.
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* Minsung Kim <ms925.kim@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __LINUX_CPUFREQ_LIMIT_H__
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#define __LINUX_CPUFREQ_LIMIT_H__
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struct cpufreq_limit_handle;
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#ifdef CONFIG_CPU_FREQ_LIMIT
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#define MAX_FREQ_LIMIT 2457600
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#define MIN_FREQ_LIMIT 300000
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struct cpufreq_limit_handle *cpufreq_limit_get(unsigned long min_freq,
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unsigned long max_freq, char *label);
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int cpufreq_limit_put(struct cpufreq_limit_handle *handle, int release);
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static inline
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struct cpufreq_limit_handle *cpufreq_limit_min_freq(unsigned long min_freq,
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char *label)
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{
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return cpufreq_limit_get(min_freq, 0, label);
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}
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static inline
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struct cpufreq_limit_handle *cpufreq_limit_max_freq(unsigned long max_freq,
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char *label)
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{
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return cpufreq_limit_get(0, max_freq, label);
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}
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ssize_t cpufreq_limit_get_table(char *buf);
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#else
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static inline
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struct cpufreq_limit_handle *cpufreq_limit_get(unsigned long min_freq,
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unsigned long max_freq char *label)
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{
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return NULL;
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}
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int cpufreq_limit_put(struct cpufreq_limit_handle *handle, int release)
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{
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return 0;
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}
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static inline
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struct cpufreq_limit_handle *cpufreq_limit_min_freq(unsigned long min_freq,
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char *label)
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{
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return NULL;
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}
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static inline
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struct cpufreq_limit_handle *cpufreq_limit_max_freq(unsigned long max_freq,
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char *label)
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{
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return NULL;
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}
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#endif
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#endif /* __LINUX_CPUFREQ_LIMIT_H__ */
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