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79289e2419
This is a preliminary patch for the later change to allow a better quirk ID management. In the current USB-audio code, there are a few places looking at usb_device idVendor and idProduct fields directly even though we have already a static member in snd_usb_audio.usb_id. This patch modifies such codes to refer to the latter field. For achieving this, two slightly intensive changes have been done: - The snd_usb_audio object is set/reset via dev_getdrv() for the given USB device; it's needed for minimizing the changes for some existing quirks that take only usb_device object. - __snd_usbmidi_create() is introduced to receive the pre-given usb_id argument. The exported snd_usbmidi_create() is unchanged by calling this new function internally. Signed-off-by: Takashi Iwai <tiwai@suse.de>
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
#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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void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
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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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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 usb_device *dev);
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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_substream *subs,
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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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#endif /* __USBAUDIO_QUIRKS_H */
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