2e1940bb0f
commit 294f69e662d1570703e9b56e95be37a9fd3afba5
Author: Joe Perches <joe@perches.com>
Date: Sat Oct 5 09:46:42 2019 -0700
compiler_attributes.h: Add 'fallthrough' pseudo keyword for switch/case use
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
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* (C) Copyright 2017-2018
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* Seeed Technology Co., Ltd. <www.seeedstudio.com>
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*
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* PeterYang <linsheng.yang@seeed.cc>
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*/
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#ifndef __SOUND_COMPATIBLE_4_18_H__
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#define __SOUND_COMPATIBLE_4_18_H__
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#include <linux/version.h>
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,18,0)
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#define __NO_SND_SOC_CODEC_DRV 1
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#else
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#define __NO_SND_SOC_CODEC_DRV 0
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(5,4,0)
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#if __has_attribute(__fallthrough__)
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# define fallthrough __attribute__((__fallthrough__))
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#else
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# define fallthrough do {} while (0) /* fallthrough */
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#endif
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#endif
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#if __NO_SND_SOC_CODEC_DRV
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#define codec component
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#define snd_soc_codec snd_soc_component
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#define snd_soc_codec_driver snd_soc_component_driver
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#define snd_soc_codec_get_drvdata snd_soc_component_get_drvdata
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#define snd_soc_codec_get_dapm snd_soc_component_get_dapm
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#define snd_soc_codec_get_bias_level snd_soc_component_get_bias_level
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#define snd_soc_kcontrol_codec snd_soc_kcontrol_component
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#define snd_soc_read snd_soc_component_read32
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#define snd_soc_register_codec snd_soc_register_component
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#define snd_soc_unregister_codec snd_soc_unregister_component
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#define snd_soc_update_bits snd_soc_component_update_bits
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#define snd_soc_write snd_soc_component_write
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#define snd_soc_add_codec_controls snd_soc_add_component_controls
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#endif
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#endif//__SOUND_COMPATIBLE_4_18_H__
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