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This is the initial implementation of the platform-profile feature. It provides the details discussed and outlined in the sysfs-platform_profile document. Many modern systems have the ability to modify the operating profile to control aspects like fan speed, temperature and power levels. This module provides a common sysfs interface that platform modules can register against to control their individual profile options. Signed-off-by: Mark Pearson <markpearson@lenovo.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> [ rjw: Use full words in enum values names ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
39 lines
1 KiB
C
39 lines
1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Platform profile sysfs interface
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*
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* See Documentation/ABI/testing/sysfs-platform_profile.rst for more
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* information.
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*/
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#ifndef _PLATFORM_PROFILE_H_
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#define _PLATFORM_PROFILE_H_
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#include <linux/bitops.h>
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/*
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* If more options are added please update profile_names
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* array in platform-profile.c and sysfs-platform-profile.rst
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* documentation.
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*/
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enum platform_profile_option {
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PLATFORM_PROFILE_LOW_POWER,
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PLATFORM_PROFILE_COOL,
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PLATFORM_PROFILE_QUIET,
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PLATFORM_PROFILE_BALANCED,
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PLATFORM_PROFILE_PERFORMANCE,
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PLATFORM_PROFILE_LAST, /*must always be last */
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};
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struct platform_profile_handler {
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unsigned long choices[BITS_TO_LONGS(PLATFORM_PROFILE_LAST)];
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int (*profile_get)(enum platform_profile_option *profile);
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int (*profile_set)(enum platform_profile_option profile);
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};
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int platform_profile_register(const struct platform_profile_handler *pprof);
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int platform_profile_remove(void);
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void platform_profile_notify(void);
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#endif /*_PLATFORM_PROFILE_H_*/
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