// SPDX-License-Identifier: GPL-2.0-or-later/* *  Do sleep inside a spin-lock *  Copyright (c) 1999 by Takashi Iwai <tiwai@suse.de> */ #include <linux/export.h>#include <sound/core.h>#include "seq_lock.h" /* wait until all locks are released */void snd_use_lock_sync_helper(snd_use_lock_t *lockp, const char *file, int line){	int warn_count = 5 * HZ; 	if (atomic_read(lockp) < 0) {		pr_warn("ALSA: seq_lock: lock trouble [counter = %d] in %s:%d\n", atomic_read(lockp), file, line);		return;	}	while (atomic_read(lockp) > 0) {		if (warn_count-- == 0)			pr_warn("ALSA: seq_lock: waiting [%d left] in %s:%d\n", atomic_read(lockp), file, line);		schedule_timeout_uninterruptible(1);	}}EXPORT_SYMBOL(snd_use_lock_sync_helper);