1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (C) 2019 Renesas Electronics Corp.
6 // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
9 #include <sound/jack.h>
11 #define soc_card_ret(dai, ret) _soc_card_ret(dai, __func__, ret)
12 static inline int _soc_card_ret(struct snd_soc_card *card,
13 const char *func, int ret)
22 "ASoC: error at %s on %s: %d\n",
23 func, card->name, ret);
29 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
32 struct snd_card *card = soc_card->snd_card;
33 struct snd_kcontrol *kctl;
38 list_for_each_entry(kctl, &card->controls, list)
39 if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name)))
43 EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);
46 * snd_soc_card_jack_new - Create a new jack
48 * @id: an identifying string for this jack
49 * @type: a bitmask of enum snd_jack_type values that can be detected by
51 * @jack: structure to use for the jack
52 * @pins: Array of jack pins to be added to the jack or NULL
53 * @num_pins: Number of elements in the @pins array
55 * Creates a new jack object.
57 * Returns zero if successful, or a negative error code on failure.
58 * On success jack will be initialised.
60 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
61 struct snd_soc_jack *jack,
62 struct snd_soc_jack_pin *pins, unsigned int num_pins)
66 mutex_init(&jack->mutex);
68 INIT_LIST_HEAD(&jack->pins);
69 INIT_LIST_HEAD(&jack->jack_zones);
70 BLOCKING_INIT_NOTIFIER_HEAD(&jack->notifier);
72 ret = snd_jack_new(card->snd_card, id, type, &jack->jack, false, false);
77 ret = snd_soc_jack_add_pins(jack, num_pins, pins);
79 return soc_card_ret(card, ret);
81 EXPORT_SYMBOL_GPL(snd_soc_card_jack_new);
83 int snd_soc_card_suspend_pre(struct snd_soc_card *card)
87 if (card->suspend_pre)
88 ret = card->suspend_pre(card);
90 return soc_card_ret(card, ret);