1 // SPDX-License-Identifier: GPL-2.0-or-later
28  * snd_pci_quirk_lookup_id - look up a PCI SSID quirk list
29  * @vendor: PCI SSV id
30  * @device: PCI SSD id
45 	for (q = list; q->subvendor || q->subdevice; q++) {  in snd_pci_quirk_lookup_id()
46 		if (q->subvendor != vendor)  in snd_pci_quirk_lookup_id()
48 		if (!q->subdevice ||  in snd_pci_quirk_lookup_id()
49 		    (device & q->subdevice_mask) == q->subdevice)  in snd_pci_quirk_lookup_id()
57  * snd_pci_quirk_lookup - look up a PCI SSID quirk list
72 	return snd_pci_quirk_lookup_id(pci->subsystem_vendor,  in snd_pci_quirk_lookup()
73 				       pci->subsystem_device,  in snd_pci_quirk_lookup()
80  * Deferred async signal helpers
82  * Below are a few helper functions to wrap the async signal handling
91 	int signal;  member
107 		list_del_init(&fasync->list);  in snd_fasync_work_fn()
109 		if (fasync->on)  in snd_fasync_work_fn()
110 			kill_fasync(&fasync->fasync, fasync->signal, fasync->poll);  in snd_fasync_work_fn()
126 			return -ENOMEM;  in snd_fasync_helper()
127 		INIT_LIST_HEAD(&fasync->list);  in snd_fasync_helper()
141 	fasync->on = on;  in snd_fasync_helper()
143 	return fasync_helper(fd, file, on, &fasync->fasync);  in snd_fasync_helper()
147 void snd_kill_fasync(struct snd_fasync *fasync, int signal, int poll)  in snd_kill_fasync()  argument
151 	if (!fasync || !fasync->on)  in snd_kill_fasync()
154 	fasync->signal = signal;  in snd_kill_fasync()
155 	fasync->poll = poll;  in snd_kill_fasync()
156 	list_move(&fasync->list, &snd_fasync_list);  in snd_kill_fasync()
166 	fasync->on = 0;  in snd_fasync_free()