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It should be safe to ignore clock validity check result if the following conditions are met: - only one single sample rate is supported; - the terminal is directly connected to the clock source; - the clock type is internal. This is to deal with some Denon DJ controllers that always reports that clock is invalid. Tested-by: Tobias Oszlanyi <toszlanyi@yahoo.de> Signed-off-by: Alexander Tsoy <alexander@tsoy.me> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20200212235450.697348-1-alexander@tsoy.me Signed-off-by: Takashi Iwai <tiwai@suse.de>
12 lines
389 B
C
12 lines
389 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __USBAUDIO_CLOCK_H
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#define __USBAUDIO_CLOCK_H
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int snd_usb_init_sample_rate(struct snd_usb_audio *chip, int iface,
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struct usb_host_interface *alts,
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struct audioformat *fmt, int rate);
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int snd_usb_clock_find_source(struct snd_usb_audio *chip,
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struct audioformat *fmt, bool validate);
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#endif /* __USBAUDIO_CLOCK_H */
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