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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 | // SPDX-License-Identifier: GPL-2.0 // // soc-card.c // // Copyright (C) 2019 Renesas Electronics Corp. // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> // #include <sound/soc.h> #include <sound/jack.h> #define soc_card_ret(dai, ret) _soc_card_ret(dai, __func__, ret) static inline int _soc_card_ret(struct snd_soc_card *card, const char *func, int ret) { switch (ret) { case -EPROBE_DEFER: case -ENOTSUPP: case 0: break; default: dev_err(card->dev, "ASoC: error at %s on %s: %d\n", func, card->name, ret); } return ret; } struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, const char *name) { struct snd_card *card = soc_card->snd_card; struct snd_kcontrol *kctl; if (unlikely(!name)) return NULL; list_for_each_entry(kctl, &card->controls, list) if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) return kctl; return NULL; } EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); /** * snd_soc_card_jack_new - Create a new jack * @card: ASoC card * @id: an identifying string for this jack * @type: a bitmask of enum snd_jack_type values that can be detected by * this jack * @jack: structure to use for the jack * @pins: Array of jack pins to be added to the jack or NULL * @num_pins: Number of elements in the @pins array * * Creates a new jack object. * * Returns zero if successful, or a negative error code on failure. * On success jack will be initialised. */ int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type, struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins, unsigned int num_pins) { int ret; mutex_init(&jack->mutex); jack->card = card; INIT_LIST_HEAD(&jack->pins); INIT_LIST_HEAD(&jack->jack_zones); BLOCKING_INIT_NOTIFIER_HEAD(&jack->notifier); ret = snd_jack_new(card->snd_card, id, type, &jack->jack, false, false); if (ret) goto end; if (num_pins) ret = snd_soc_jack_add_pins(jack, num_pins, pins); end: return soc_card_ret(card, ret); } EXPORT_SYMBOL_GPL(snd_soc_card_jack_new); int snd_soc_card_suspend_pre(struct snd_soc_card *card) { int ret = 0; if (card->suspend_pre) ret = card->suspend_pre(card); return soc_card_ret(card, ret); } int snd_soc_card_suspend_post(struct snd_soc_card *card) { int ret = 0; if (card->suspend_post) ret = card->suspend_post(card); return soc_card_ret(card, ret); } int snd_soc_card_resume_pre(struct snd_soc_card *card) { int ret = 0; if (card->resume_pre) ret = card->resume_pre(card); return soc_card_ret(card, ret); } int snd_soc_card_resume_post(struct snd_soc_card *card) { int ret = 0; if (card->resume_post) ret = card->resume_post(card); return soc_card_ret(card, ret); } int snd_soc_card_probe(struct snd_soc_card *card) { if (card->probe) { int ret = card->probe(card); if (ret < 0) return soc_card_ret(card, ret); /* * It has "card->probe" and "card->late_probe" callbacks. * So, set "probed" flag here, because it needs to care * about "late_probe". * * see * snd_soc_bind_card() * snd_soc_card_late_probe() */ card->probed = 1; } return 0; } int snd_soc_card_late_probe(struct snd_soc_card *card) { if (card->late_probe) { int ret = card->late_probe(card); if (ret < 0) return soc_card_ret(card, ret); } /* * It has "card->probe" and "card->late_probe" callbacks, * and "late_probe" callback is called after "probe". * This means, we can set "card->probed" flag afer "late_probe" * for all cases. * * see * snd_soc_bind_card() * snd_soc_card_probe() */ card->probed = 1; return 0; } int snd_soc_card_remove(struct snd_soc_card *card) { int ret = 0; if (card->probed && card->remove) ret = card->remove(card); card->probed = 0; return soc_card_ret(card, ret); } int snd_soc_card_set_bias_level(struct snd_soc_card *card, struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level) { int ret = 0; if (card && card->set_bias_level) ret = card->set_bias_level(card, dapm, level); return soc_card_ret(card, ret); } int snd_soc_card_set_bias_level_post(struct snd_soc_card *card, struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level) { int ret = 0; if (card && card->set_bias_level_post) ret = card->set_bias_level_post(card, dapm, level); return soc_card_ret(card, ret); } int snd_soc_card_add_dai_link(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link) { int ret = 0; if (card->add_dai_link) ret = card->add_dai_link(card, dai_link); return soc_card_ret(card, ret); } EXPORT_SYMBOL_GPL(snd_soc_card_add_dai_link); void snd_soc_card_remove_dai_link(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link) { if (card->remove_dai_link) card->remove_dai_link(card, dai_link); } EXPORT_SYMBOL_GPL(snd_soc_card_remove_dai_link); |