linux/sound/usb/clock.h
Takashi Iwai cab941b7e5 ALSA: usb-audio: Constify audioformat pointer references
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>
2020-11-23 15:15:36 +01:00

15 lines
474 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_CLOCK_H
#define __USBAUDIO_CLOCK_H
int snd_usb_init_sample_rate(struct snd_usb_audio *chip,
const struct audioformat *fmt, int rate);
int snd_usb_clock_find_source(struct snd_usb_audio *chip,
const struct audioformat *fmt, bool validate);
int snd_usb_set_sample_rate_v2v3(struct snd_usb_audio *chip,
const struct audioformat *fmt,
int clock, int rate);
#endif /* __USBAUDIO_CLOCK_H */