Commit | Line | Data |
---|---|---|
f2390880 KM |
1 | /* |
2 | * ASoC simple sound card support | |
3 | * | |
4 | * Copyright (C) 2012 Renesas Solutions Corp. | |
5 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
fa558c28 | 11 | #include <linux/clk.h> |
6ff62eed | 12 | #include <linux/device.h> |
3fe24032 | 13 | #include <linux/gpio.h> |
f2390880 | 14 | #include <linux/module.h> |
fa558c28 | 15 | #include <linux/of.h> |
3fe24032 | 16 | #include <linux/of_gpio.h> |
f2390880 | 17 | #include <linux/platform_device.h> |
ca919fe4 | 18 | #include <linux/string.h> |
3fe24032 | 19 | #include <sound/jack.h> |
f2390880 | 20 | #include <sound/simple_card.h> |
6ff62eed XL |
21 | #include <sound/soc-dai.h> |
22 | #include <sound/soc.h> | |
f2390880 | 23 | |
9eac3618 KM |
24 | struct asoc_simple_jack { |
25 | struct snd_soc_jack jack; | |
26 | struct snd_soc_jack_pin pin; | |
27 | struct snd_soc_jack_gpio gpio; | |
28 | }; | |
29 | ||
45fce594 JFM |
30 | struct simple_card_data { |
31 | struct snd_soc_card snd_card; | |
cf7dc23c JFM |
32 | struct simple_dai_props { |
33 | struct asoc_simple_dai cpu_dai; | |
34 | struct asoc_simple_dai codec_dai; | |
85a4bfd8 | 35 | unsigned int mclk_fs; |
cf7dc23c | 36 | } *dai_props; |
2942a0e2 | 37 | unsigned int mclk_fs; |
9eac3618 KM |
38 | struct asoc_simple_jack hp_jack; |
39 | struct asoc_simple_jack mic_jack; | |
b0133d9c | 40 | struct snd_soc_dai_link *dai_link; |
45fce594 JFM |
41 | }; |
42 | ||
f531913f | 43 | #define simple_priv_to_dev(priv) ((priv)->snd_card.dev) |
7e3353dd KM |
44 | #define simple_priv_to_link(priv, i) ((priv)->snd_card.dai_link + (i)) |
45 | #define simple_priv_to_props(priv, i) ((priv)->dai_props + (i)) | |
f531913f | 46 | |
44c16af1 KM |
47 | #define DAI "sound-dai" |
48 | #define CELL "#sound-dai-cells" | |
548563fa KM |
49 | #define PREFIX "simple-audio-card," |
50 | ||
9eac3618 KM |
51 | #define asoc_simple_card_init_hp(card, sjack, prefix)\ |
52 | asoc_simple_card_init_jack(card, sjack, 1, prefix) | |
53 | #define asoc_simple_card_init_mic(card, sjack, prefix)\ | |
54 | asoc_simple_card_init_jack(card, sjack, 0, prefix) | |
55 | static int asoc_simple_card_init_jack(struct snd_soc_card *card, | |
56 | struct asoc_simple_jack *sjack, | |
57 | int is_hp, char *prefix) | |
58 | { | |
59 | struct device *dev = card->dev; | |
60 | enum of_gpio_flags flags; | |
61 | char prop[128]; | |
62 | char *pin_name; | |
63 | char *gpio_name; | |
64 | int mask; | |
65 | int det; | |
66 | ||
67 | sjack->gpio.gpio = -ENOENT; | |
68 | ||
69 | if (is_hp) { | |
70 | snprintf(prop, sizeof(prop), "%shp-det-gpio", prefix); | |
71 | pin_name = "Headphones"; | |
72 | gpio_name = "Headphone detection"; | |
73 | mask = SND_JACK_HEADPHONE; | |
74 | } else { | |
75 | snprintf(prop, sizeof(prop), "%smic-det-gpio", prefix); | |
76 | pin_name = "Mic Jack"; | |
77 | gpio_name = "Mic detection"; | |
78 | mask = SND_JACK_MICROPHONE; | |
79 | } | |
80 | ||
81 | det = of_get_named_gpio_flags(dev->of_node, prop, 0, &flags); | |
82 | if (det == -EPROBE_DEFER) | |
83 | return -EPROBE_DEFER; | |
84 | ||
85 | if (gpio_is_valid(det)) { | |
86 | sjack->pin.pin = pin_name; | |
87 | sjack->pin.mask = mask; | |
88 | ||
89 | sjack->gpio.name = gpio_name; | |
90 | sjack->gpio.report = mask; | |
91 | sjack->gpio.gpio = det; | |
92 | sjack->gpio.invert = !!(flags & OF_GPIO_ACTIVE_LOW); | |
93 | sjack->gpio.debounce_time = 150; | |
94 | ||
95 | snd_soc_card_jack_new(card, pin_name, mask, | |
96 | &sjack->jack, | |
97 | &sjack->pin, 1); | |
98 | ||
99 | snd_soc_jack_add_gpios(&sjack->jack, 1, | |
100 | &sjack->gpio); | |
101 | } | |
102 | ||
103 | return 0; | |
104 | } | |
105 | ||
106 | static void asoc_simple_card_remove_jack(struct asoc_simple_jack *sjack) | |
107 | { | |
108 | if (gpio_is_valid(sjack->gpio.gpio)) | |
109 | snd_soc_jack_free_gpios(&sjack->jack, 1, &sjack->gpio); | |
110 | } | |
111 | ||
f9911803 JS |
112 | static int asoc_simple_card_startup(struct snd_pcm_substream *substream) |
113 | { | |
114 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
115 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); | |
116 | struct simple_dai_props *dai_props = | |
c9a23ead | 117 | simple_priv_to_props(priv, rtd->num); |
f9911803 JS |
118 | int ret; |
119 | ||
120 | ret = clk_prepare_enable(dai_props->cpu_dai.clk); | |
121 | if (ret) | |
122 | return ret; | |
387f5823 | 123 | |
f9911803 JS |
124 | ret = clk_prepare_enable(dai_props->codec_dai.clk); |
125 | if (ret) | |
126 | clk_disable_unprepare(dai_props->cpu_dai.clk); | |
127 | ||
128 | return ret; | |
129 | } | |
130 | ||
131 | static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream) | |
132 | { | |
133 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
134 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); | |
135 | struct simple_dai_props *dai_props = | |
c9a23ead | 136 | simple_priv_to_props(priv, rtd->num); |
f9911803 JS |
137 | |
138 | clk_disable_unprepare(dai_props->cpu_dai.clk); | |
139 | ||
140 | clk_disable_unprepare(dai_props->codec_dai.clk); | |
141 | } | |
142 | ||
2942a0e2 AL |
143 | static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, |
144 | struct snd_pcm_hw_params *params) | |
145 | { | |
146 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
147 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
e2257971 | 148 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
2942a0e2 | 149 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); |
c9a23ead KM |
150 | struct simple_dai_props *dai_props = |
151 | simple_priv_to_props(priv, rtd->num); | |
85a4bfd8 | 152 | unsigned int mclk, mclk_fs = 0; |
2942a0e2 AL |
153 | int ret = 0; |
154 | ||
85a4bfd8 AP |
155 | if (priv->mclk_fs) |
156 | mclk_fs = priv->mclk_fs; | |
157 | else if (dai_props->mclk_fs) | |
158 | mclk_fs = dai_props->mclk_fs; | |
159 | ||
160 | if (mclk_fs) { | |
161 | mclk = params_rate(params) * mclk_fs; | |
2942a0e2 AL |
162 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
163 | SND_SOC_CLOCK_IN); | |
e2257971 AP |
164 | if (ret && ret != -ENOTSUPP) |
165 | goto err; | |
166 | ||
167 | ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, | |
168 | SND_SOC_CLOCK_OUT); | |
169 | if (ret && ret != -ENOTSUPP) | |
170 | goto err; | |
2942a0e2 | 171 | } |
ee43a1a0 | 172 | return 0; |
e2257971 | 173 | err: |
2942a0e2 AL |
174 | return ret; |
175 | } | |
176 | ||
177 | static struct snd_soc_ops asoc_simple_card_ops = { | |
f9911803 JS |
178 | .startup = asoc_simple_card_startup, |
179 | .shutdown = asoc_simple_card_shutdown, | |
2942a0e2 AL |
180 | .hw_params = asoc_simple_card_hw_params, |
181 | }; | |
182 | ||
f2390880 KM |
183 | static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd) |
184 | { | |
781cbebe | 185 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); |
f2390880 KM |
186 | struct snd_soc_dai *codec = rtd->codec_dai; |
187 | struct snd_soc_dai *cpu = rtd->cpu_dai; | |
c9a23ead KM |
188 | struct simple_dai_props *dai_props = |
189 | simple_priv_to_props(priv, rtd->num); | |
1a497983 | 190 | int ret; |
f2390880 | 191 | |
d8cb9354 | 192 | ret = asoc_simple_card_init_dai(codec, &dai_props->codec_dai); |
a4a2992c KM |
193 | if (ret < 0) |
194 | return ret; | |
f2390880 | 195 | |
d8cb9354 | 196 | ret = asoc_simple_card_init_dai(cpu, &dai_props->cpu_dai); |
a4a2992c KM |
197 | if (ret < 0) |
198 | return ret; | |
f2390880 | 199 | |
9eac3618 KM |
200 | ret = asoc_simple_card_init_hp(rtd->card, &priv->hp_jack, PREFIX); |
201 | if (ret < 0) | |
202 | return ret; | |
203 | ||
204 | ret = asoc_simple_card_init_mic(rtd->card, &priv->hp_jack, PREFIX); | |
205 | if (ret < 0) | |
206 | return ret; | |
3fe24032 | 207 | |
f2390880 KM |
208 | return 0; |
209 | } | |
210 | ||
2d82eeb0 | 211 | static int asoc_simple_card_dai_link_of(struct device_node *node, |
f531913f | 212 | struct simple_card_data *priv, |
9810f537 | 213 | int idx, |
2d82eeb0 | 214 | bool is_top_level_node) |
6a91a17b | 215 | { |
f531913f | 216 | struct device *dev = simple_priv_to_dev(priv); |
9810f537 KM |
217 | struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx); |
218 | struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx); | |
28abd99b KM |
219 | struct asoc_simple_dai *cpu_dai = &dai_props->cpu_dai; |
220 | struct asoc_simple_dai *codec_dai = &dai_props->codec_dai; | |
1b5721b2 | 221 | struct device_node *cpu = NULL; |
e0ae225b | 222 | struct device_node *plat = NULL; |
1b5721b2 | 223 | struct device_node *codec = NULL; |
b3ca11ff JS |
224 | char prop[128]; |
225 | char *prefix = ""; | |
44c16af1 | 226 | int ret, single_cpu; |
6a91a17b | 227 | |
2080437d | 228 | /* For single DAI link & old style of DT node */ |
64872215 | 229 | if (is_top_level_node) |
548563fa | 230 | prefix = PREFIX; |
b3ca11ff | 231 | |
b3ca11ff | 232 | snprintf(prop, sizeof(prop), "%scpu", prefix); |
1b5721b2 KM |
233 | cpu = of_get_child_by_name(node, prop); |
234 | ||
e0ae225b JN |
235 | snprintf(prop, sizeof(prop), "%splat", prefix); |
236 | plat = of_get_child_by_name(node, prop); | |
237 | ||
1b5721b2 KM |
238 | snprintf(prop, sizeof(prop), "%scodec", prefix); |
239 | codec = of_get_child_by_name(node, prop); | |
240 | ||
241 | if (!cpu || !codec) { | |
b3ca11ff | 242 | ret = -EINVAL; |
966b8063 | 243 | dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); |
b3ca11ff | 244 | goto dai_link_of_err; |
6a91a17b | 245 | } |
b3ca11ff | 246 | |
cecdef36 KM |
247 | ret = asoc_simple_card_parse_daifmt(dev, node, codec, |
248 | prefix, &dai_link->dai_fmt); | |
1b5721b2 KM |
249 | if (ret < 0) |
250 | goto dai_link_of_err; | |
251 | ||
f93b646d | 252 | of_property_read_u32(node, "mclk-fs", &dai_props->mclk_fs); |
85a4bfd8 | 253 | |
44c16af1 KM |
254 | ret = asoc_simple_card_parse_cpu(cpu, dai_link, |
255 | DAI, CELL, &single_cpu); | |
256 | if (ret < 0) | |
257 | goto dai_link_of_err; | |
258 | ||
259 | ret = asoc_simple_card_parse_codec(codec, dai_link, DAI, CELL); | |
260 | if (ret < 0) | |
261 | goto dai_link_of_err; | |
262 | ||
263 | ret = asoc_simple_card_parse_platform(plat, dai_link, DAI, CELL); | |
264 | if (ret < 0) | |
265 | goto dai_link_of_err; | |
266 | ||
c3b19c8d KM |
267 | ret = snd_soc_of_parse_tdm_slot(cpu, &cpu_dai->tx_slot_mask, |
268 | &cpu_dai->rx_slot_mask, | |
269 | &cpu_dai->slots, | |
270 | &cpu_dai->slot_width); | |
b3ca11ff JS |
271 | if (ret < 0) |
272 | goto dai_link_of_err; | |
273 | ||
c3b19c8d KM |
274 | ret = snd_soc_of_parse_tdm_slot(codec, &codec_dai->tx_slot_mask, |
275 | &codec_dai->rx_slot_mask, | |
276 | &codec_dai->slots, | |
277 | &codec_dai->slot_width); | |
5fb9cb16 KM |
278 | if (ret < 0) |
279 | goto dai_link_of_err; | |
280 | ||
28abd99b KM |
281 | ret = asoc_simple_card_parse_clk_cpu(cpu, dai_link, cpu_dai); |
282 | if (ret < 0) | |
283 | goto dai_link_of_err; | |
284 | ||
285 | ret = asoc_simple_card_parse_clk_codec(codec, dai_link, codec_dai); | |
286 | if (ret < 0) | |
287 | goto dai_link_of_err; | |
288 | ||
c958374f KM |
289 | ret = asoc_simple_card_canonicalize_dailink(dai_link); |
290 | if (ret < 0) | |
781cbebe | 291 | goto dai_link_of_err; |
b3ca11ff | 292 | |
2e8d1c7d KM |
293 | ret = asoc_simple_card_set_dailink_name(dev, dai_link, |
294 | "%s-%s", | |
295 | dai_link->cpu_dai_name, | |
296 | dai_link->codec_dai_name); | |
297 | if (ret < 0) | |
31f3032c | 298 | goto dai_link_of_err; |
31f3032c | 299 | |
2942a0e2 | 300 | dai_link->ops = &asoc_simple_card_ops; |
a5960bd5 | 301 | dai_link->init = asoc_simple_card_dai_init; |
b3ca11ff JS |
302 | |
303 | dev_dbg(dev, "\tname : %s\n", dai_link->stream_name); | |
1efb53a2 LPC |
304 | dev_dbg(dev, "\tformat : %04x\n", dai_link->dai_fmt); |
305 | dev_dbg(dev, "\tcpu : %s / %d\n", | |
b3ca11ff | 306 | dai_link->cpu_dai_name, |
b3ca11ff | 307 | dai_props->cpu_dai.sysclk); |
1efb53a2 | 308 | dev_dbg(dev, "\tcodec : %s / %d\n", |
b3ca11ff | 309 | dai_link->codec_dai_name, |
b3ca11ff JS |
310 | dai_props->codec_dai.sysclk); |
311 | ||
16f1de6f | 312 | asoc_simple_card_canonicalize_cpu(dai_link, single_cpu); |
179949bc | 313 | |
b3ca11ff | 314 | dai_link_of_err: |
1b5721b2 KM |
315 | of_node_put(cpu); |
316 | of_node_put(codec); | |
317 | ||
6a91a17b JFM |
318 | return ret; |
319 | } | |
320 | ||
fa558c28 | 321 | static int asoc_simple_card_parse_of(struct device_node *node, |
f531913f | 322 | struct simple_card_data *priv) |
fa558c28 | 323 | { |
f531913f | 324 | struct device *dev = simple_priv_to_dev(priv); |
a03b0545 | 325 | struct device_node *dai_link; |
d4c22094 | 326 | int ret; |
fa558c28 | 327 | |
2080437d XL |
328 | if (!node) |
329 | return -EINVAL; | |
330 | ||
a03b0545 KM |
331 | dai_link = of_get_child_by_name(node, PREFIX "dai-link"); |
332 | ||
0dd4fc3c | 333 | /* The off-codec widgets */ |
548563fa | 334 | if (of_property_read_bool(node, PREFIX "widgets")) { |
9d681f5b | 335 | ret = snd_soc_of_parse_audio_simple_widgets(&priv->snd_card, |
548563fa | 336 | PREFIX "widgets"); |
9d681f5b | 337 | if (ret) |
a03b0545 | 338 | goto card_parse_end; |
9d681f5b XL |
339 | } |
340 | ||
d4c22094 | 341 | /* DAPM routes */ |
548563fa | 342 | if (of_property_read_bool(node, PREFIX "routing")) { |
b367a325 | 343 | ret = snd_soc_of_parse_audio_routing(&priv->snd_card, |
548563fa | 344 | PREFIX "routing"); |
f87a3e82 | 345 | if (ret) |
a03b0545 | 346 | goto card_parse_end; |
f87a3e82 | 347 | } |
d4c22094 | 348 | |
2942a0e2 | 349 | /* Factor to mclk, used in hw_params() */ |
f93b646d | 350 | of_property_read_u32(node, PREFIX "mclk-fs", &priv->mclk_fs); |
2942a0e2 | 351 | |
2080437d | 352 | /* Single/Muti DAI link(s) & New style of DT node */ |
a03b0545 | 353 | if (dai_link) { |
b3ca11ff | 354 | struct device_node *np = NULL; |
a44a750e KM |
355 | int i = 0; |
356 | ||
357 | for_each_child_of_node(node, np) { | |
b3ca11ff | 358 | dev_dbg(dev, "\tlink %d:\n", i); |
f531913f | 359 | ret = asoc_simple_card_dai_link_of(np, priv, |
9810f537 | 360 | i, false); |
b3ca11ff JS |
361 | if (ret < 0) { |
362 | of_node_put(np); | |
a03b0545 | 363 | goto card_parse_end; |
b3ca11ff | 364 | } |
a44a750e | 365 | i++; |
6a91a17b | 366 | } |
b3ca11ff | 367 | } else { |
2080437d | 368 | /* For single DAI link & old style of DT node */ |
9810f537 | 369 | ret = asoc_simple_card_dai_link_of(node, priv, 0, true); |
6a91a17b | 370 | if (ret < 0) |
a03b0545 | 371 | goto card_parse_end; |
6a91a17b | 372 | } |
dd41e0c4 | 373 | |
3527d85b | 374 | ret = asoc_simple_card_parse_card_name(&priv->snd_card, PREFIX); |
f687d900 | 375 | |
a03b0545 KM |
376 | card_parse_end: |
377 | of_node_put(dai_link); | |
378 | ||
379 | return ret; | |
fa558c28 KM |
380 | } |
381 | ||
f2390880 KM |
382 | static int asoc_simple_card_probe(struct platform_device *pdev) |
383 | { | |
45fce594 | 384 | struct simple_card_data *priv; |
5ca8ba41 | 385 | struct snd_soc_dai_link *dai_link; |
b0133d9c | 386 | struct simple_dai_props *dai_props; |
fa558c28 | 387 | struct device_node *np = pdev->dev.of_node; |
f89983ef | 388 | struct device *dev = &pdev->dev; |
2c86dda7 | 389 | int num, ret; |
6a91a17b | 390 | |
0dd4fc3c | 391 | /* Get the number of DAI links */ |
548563fa | 392 | if (np && of_get_child_by_name(np, PREFIX "dai-link")) |
2c86dda7 | 393 | num = of_get_child_count(np); |
2080437d | 394 | else |
2c86dda7 | 395 | num = 1; |
f2390880 | 396 | |
0dd4fc3c | 397 | /* Allocate the private data and the DAI link array */ |
b0133d9c | 398 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); |
ca65b492 | 399 | if (!priv) |
ca919fe4 XL |
400 | return -ENOMEM; |
401 | ||
b0133d9c KM |
402 | dai_props = devm_kzalloc(dev, sizeof(*dai_props) * num, GFP_KERNEL); |
403 | dai_link = devm_kzalloc(dev, sizeof(*dai_link) * num, GFP_KERNEL); | |
404 | if (!dai_props || !dai_link) | |
405 | return -ENOMEM; | |
406 | ||
407 | priv->dai_props = dai_props; | |
408 | priv->dai_link = dai_link; | |
409 | ||
0dd4fc3c | 410 | /* Init snd_soc_card */ |
0a6c7f2f KM |
411 | priv->snd_card.owner = THIS_MODULE; |
412 | priv->snd_card.dev = dev; | |
413 | priv->snd_card.dai_link = priv->dai_link; | |
2c86dda7 | 414 | priv->snd_card.num_links = num; |
201a0eac | 415 | |
fa558c28 | 416 | if (np && of_device_is_available(np)) { |
ca919fe4 | 417 | |
f531913f | 418 | ret = asoc_simple_card_parse_of(np, priv); |
ca919fe4 XL |
419 | if (ret < 0) { |
420 | if (ret != -EPROBE_DEFER) | |
421 | dev_err(dev, "parse error %d\n", ret); | |
e512e001 | 422 | goto err; |
fa558c28 | 423 | } |
6a91a17b | 424 | |
fa558c28 | 425 | } else { |
ca65b492 JFM |
426 | struct asoc_simple_card_info *cinfo; |
427 | ||
428 | cinfo = dev->platform_data; | |
429 | if (!cinfo) { | |
34787d0a XL |
430 | dev_err(dev, "no info for asoc-simple-card\n"); |
431 | return -EINVAL; | |
432 | } | |
fa558c28 | 433 | |
781cbebe NC |
434 | if (!cinfo->name || |
435 | !cinfo->codec_dai.name || | |
436 | !cinfo->codec || | |
437 | !cinfo->platform || | |
7722f830 JFM |
438 | !cinfo->cpu_dai.name) { |
439 | dev_err(dev, "insufficient asoc_simple_card_info settings\n"); | |
440 | return -EINVAL; | |
441 | } | |
2bee9914 | 442 | |
12ffa6fc | 443 | priv->snd_card.name = (cinfo->card) ? cinfo->card : cinfo->name; |
5ca8ba41 JFM |
444 | dai_link->name = cinfo->name; |
445 | dai_link->stream_name = cinfo->name; | |
446 | dai_link->platform_name = cinfo->platform; | |
447 | dai_link->codec_name = cinfo->codec; | |
52008472 JFM |
448 | dai_link->cpu_dai_name = cinfo->cpu_dai.name; |
449 | dai_link->codec_dai_name = cinfo->codec_dai.name; | |
1efb53a2 | 450 | dai_link->dai_fmt = cinfo->daifmt; |
a5960bd5 | 451 | dai_link->init = asoc_simple_card_dai_init; |
cf7dc23c JFM |
452 | memcpy(&priv->dai_props->cpu_dai, &cinfo->cpu_dai, |
453 | sizeof(priv->dai_props->cpu_dai)); | |
454 | memcpy(&priv->dai_props->codec_dai, &cinfo->codec_dai, | |
455 | sizeof(priv->dai_props->codec_dai)); | |
f2390880 KM |
456 | } |
457 | ||
ca65b492 | 458 | snd_soc_card_set_drvdata(&priv->snd_card, priv); |
f2390880 | 459 | |
e512e001 | 460 | ret = devm_snd_soc_register_card(&pdev->dev, &priv->snd_card); |
e3c4a28b XL |
461 | if (ret >= 0) |
462 | return ret; | |
e512e001 | 463 | err: |
885fc059 | 464 | asoc_simple_card_clean_reference(&priv->snd_card); |
387f5823 | 465 | |
e512e001 | 466 | return ret; |
f2390880 KM |
467 | } |
468 | ||
e3c4a28b XL |
469 | static int asoc_simple_card_remove(struct platform_device *pdev) |
470 | { | |
3fe24032 DR |
471 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
472 | struct simple_card_data *priv = snd_soc_card_get_drvdata(card); | |
473 | ||
9eac3618 KM |
474 | asoc_simple_card_remove_jack(&priv->hp_jack); |
475 | asoc_simple_card_remove_jack(&priv->mic_jack); | |
3fe24032 | 476 | |
885fc059 | 477 | return asoc_simple_card_clean_reference(card); |
e3c4a28b XL |
478 | } |
479 | ||
fa558c28 KM |
480 | static const struct of_device_id asoc_simple_of_match[] = { |
481 | { .compatible = "simple-audio-card", }, | |
482 | {}, | |
483 | }; | |
484 | MODULE_DEVICE_TABLE(of, asoc_simple_of_match); | |
485 | ||
f2390880 KM |
486 | static struct platform_driver asoc_simple_card = { |
487 | .driver = { | |
781cbebe | 488 | .name = "asoc-simple-card", |
7c376711 | 489 | .pm = &snd_soc_pm_ops, |
fa558c28 | 490 | .of_match_table = asoc_simple_of_match, |
f2390880 | 491 | }, |
781cbebe | 492 | .probe = asoc_simple_card_probe, |
e3c4a28b | 493 | .remove = asoc_simple_card_remove, |
f2390880 KM |
494 | }; |
495 | ||
496 | module_platform_driver(asoc_simple_card); | |
497 | ||
c445be35 | 498 | MODULE_ALIAS("platform:asoc-simple-card"); |
a1dbfd00 | 499 | MODULE_LICENSE("GPL v2"); |
f2390880 KM |
500 | MODULE_DESCRIPTION("ASoC Simple Sound Card"); |
501 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); |