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85b4f2a6ef
hda_component.h uses hda_codec_dev from sound/hda_codec.h. Include sound/hda_codec.h instead of assuming that it has already been included by the parent .c file. This isn't causing any problems with current code, so no need to backport to older kernels. Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Message-ID: <20240307111216.45053-2-rf@opensource.cirrus.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* HD audio Component Binding Interface
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*
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* Copyright (C) 2021 Cirrus Logic, Inc. and
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* Cirrus Logic International Semiconductor Ltd.
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*/
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#ifndef __HDA_COMPONENT_H__
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#define __HDA_COMPONENT_H__
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#include <linux/acpi.h>
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#include <linux/component.h>
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#include <sound/hda_codec.h>
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#define HDA_MAX_COMPONENTS 4
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#define HDA_MAX_NAME_SIZE 50
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struct hda_component {
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struct device *dev;
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char name[HDA_MAX_NAME_SIZE];
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struct hda_codec *codec;
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struct acpi_device *adev;
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bool acpi_notifications_supported;
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void (*acpi_notify)(acpi_handle handle, u32 event, struct device *dev);
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void (*pre_playback_hook)(struct device *dev, int action);
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void (*playback_hook)(struct device *dev, int action);
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void (*post_playback_hook)(struct device *dev, int action);
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};
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#ifdef CONFIG_ACPI
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void hda_component_acpi_device_notify(struct hda_component *comps, int num_comps,
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acpi_handle handle, u32 event, void *data);
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int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc,
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struct hda_component *comps, int num_comps,
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acpi_notify_handler handler, void *data);
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void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc,
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struct hda_component *comps,
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acpi_notify_handler handler);
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#else
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static inline void hda_component_acpi_device_notify(struct hda_component *comps,
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int num_comps,
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acpi_handle handle,
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u32 event,
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void *data)
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{
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}
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static inline int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc,
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struct hda_component *comps,
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int num_comps,
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acpi_notify_handler handler,
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void *data)
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{
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return 0;
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}
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static inline void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc,
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struct hda_component *comps,
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acpi_notify_handler handler)
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{
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}
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#endif /* ifdef CONFIG_ACPI */
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void hda_component_manager_playback_hook(struct hda_component *comps, int num_comps,
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int action);
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int hda_component_manager_init(struct hda_codec *cdc,
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struct hda_component *comps, int count,
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const char *bus, const char *hid,
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const char *match_str,
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const struct component_master_ops *ops);
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void hda_component_manager_free(struct hda_codec *cdc,
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const struct component_master_ops *ops);
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static inline int hda_component_manager_bind(struct hda_codec *cdc,
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struct hda_component *comps)
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{
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return component_bind_all(hda_codec_dev(cdc), comps);
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}
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static inline void hda_component_manager_unbind(struct hda_codec *cdc,
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struct hda_component *comps)
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{
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component_unbind_all(hda_codec_dev(cdc), comps);
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}
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#endif /* ifndef __HDA_COMPONENT_H__ */
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