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It seems that the firmware is broken and does not accept the UAC_EP_CS_ATTR_SAMPLE_RATE URB. There is only one rate (48000Hz) available in the descriptors for the output endpoint. Create a new quirk QUIRK_FLAG_FIXED_RATE to skip the rate setup when only one rate is available (fixed). BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=216798 Signed-off-by: Jaroslav Kysela <perex@perex.cz> Link: https://lore.kernel.org/r/20221215153037.1163786-1-perex@perex.cz Signed-off-by: Takashi Iwai <tiwai@suse.de>
15 lines
496 B
C
15 lines
496 B
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef __USBAUDIO_IMPLICIT_H
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#define __USBAUDIO_IMPLICIT_H
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int snd_usb_parse_implicit_fb_quirk(struct snd_usb_audio *chip,
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struct audioformat *fmt,
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struct usb_host_interface *alts);
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const struct audioformat *
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snd_usb_find_implicit_fb_sync_format(struct snd_usb_audio *chip,
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const struct audioformat *target,
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const struct snd_pcm_hw_params *params,
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int stream, bool *fixed_rate);
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#endif /* __USBAUDIO_IMPLICIT_H */
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