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cab941b7e5
The audioformat is referred in many places but most of usages are read-only. Let's add const prefix in the possible places. Tested-by: Keith Milner <kamilner@superlative.org> Tested-by: Dylan Robinson <dylan_robinson@motu.com> Link: https://lore.kernel.org/r/20201123085347.19667-28-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __USBAUDIO_QUIRKS_H
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#define __USBAUDIO_QUIRKS_H
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struct audioformat;
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struct snd_usb_endpoint;
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struct snd_usb_substream;
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int snd_usb_create_quirk(struct snd_usb_audio *chip,
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struct usb_interface *iface,
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struct usb_driver *driver,
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const struct snd_usb_audio_quirk *quirk);
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int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
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int iface,
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int altno);
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int snd_usb_apply_boot_quirk(struct usb_device *dev,
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struct usb_interface *intf,
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const struct snd_usb_audio_quirk *quirk,
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unsigned int usb_id);
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int snd_usb_apply_boot_quirk_once(struct usb_device *dev,
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struct usb_interface *intf,
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const struct snd_usb_audio_quirk *quirk,
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unsigned int usb_id);
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void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
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const struct audioformat *fmt);
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bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip);
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int snd_usb_is_big_endian_format(struct snd_usb_audio *chip,
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const struct audioformat *fp);
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void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep);
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void snd_usb_set_interface_quirk(struct snd_usb_audio *chip);
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void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
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__u8 request, __u8 requesttype, __u16 value,
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__u16 index, void *data, __u16 size);
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int snd_usb_select_mode_quirk(struct snd_usb_audio *chip,
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const struct audioformat *fmt);
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u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
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struct audioformat *fp,
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unsigned int sample_bytes);
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void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
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struct audioformat *fp,
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int stream);
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bool snd_usb_registration_quirk(struct snd_usb_audio *chip, int iface);
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#endif /* __USBAUDIO_QUIRKS_H */
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