mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-10-31 16:38:31 +00:00
8bd4bb7a35
Introduced a new field, subdevice_mask, which specifies the bitmask to match with the given subdevice ID. Signed-off-by: Takashi Iwai <tiwai@suse.de>
109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/*
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* Misc and compatibility things
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* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <linux/init.h>
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#include <linux/time.h>
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#include <linux/ioport.h>
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#include <sound/core.h>
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void release_and_free_resource(struct resource *res)
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{
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if (res) {
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release_resource(res);
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kfree(res);
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}
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}
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EXPORT_SYMBOL(release_and_free_resource);
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#ifdef CONFIG_SND_VERBOSE_PRINTK
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void snd_verbose_printk(const char *file, int line, const char *format, ...)
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{
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va_list args;
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if (format[0] == '<' && format[1] >= '0' && format[1] <= '7' && format[2] == '>') {
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char tmp[] = "<0>";
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tmp[1] = format[1];
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printk("%sALSA %s:%d: ", tmp, file, line);
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format += 3;
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} else {
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printk("ALSA %s:%d: ", file, line);
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}
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va_start(args, format);
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vprintk(format, args);
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va_end(args);
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}
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EXPORT_SYMBOL(snd_verbose_printk);
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#endif
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#if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK)
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void snd_verbose_printd(const char *file, int line, const char *format, ...)
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{
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va_list args;
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if (format[0] == '<' && format[1] >= '0' && format[1] <= '7' && format[2] == '>') {
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char tmp[] = "<0>";
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tmp[1] = format[1];
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printk("%sALSA %s:%d: ", tmp, file, line);
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format += 3;
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} else {
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printk(KERN_DEBUG "ALSA %s:%d: ", file, line);
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}
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va_start(args, format);
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vprintk(format, args);
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va_end(args);
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}
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EXPORT_SYMBOL(snd_verbose_printd);
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#endif
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#ifdef CONFIG_PCI
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#include <linux/pci.h>
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/**
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* snd_pci_quirk_lookup - look up a PCI SSID quirk list
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* @pci: pci_dev handle
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* @list: quirk list, terminated by a null entry
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*
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* Look through the given quirk list and finds a matching entry
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* with the same PCI SSID. When subdevice is 0, all subdevice
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* values may match.
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*
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* Returns the matched entry pointer, or NULL if nothing matched.
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*/
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const struct snd_pci_quirk *
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snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list)
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{
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const struct snd_pci_quirk *q;
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for (q = list; q->subvendor; q++) {
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if (q->subvendor != pci->subsystem_vendor)
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continue;
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if (!q->subdevice ||
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(pci->subsystem_device & q->subdevice_mask) == q->subdevice)
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return q;
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}
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return NULL;
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}
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EXPORT_SYMBOL(snd_pci_quirk_lookup);
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#endif
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