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> |
f2390880 | 13 | #include <linux/module.h> |
fa558c28 | 14 | #include <linux/of.h> |
f2390880 | 15 | #include <linux/platform_device.h> |
ca919fe4 | 16 | #include <linux/string.h> |
f2390880 | 17 | #include <sound/simple_card.h> |
6ff62eed XL |
18 | #include <sound/soc-dai.h> |
19 | #include <sound/soc.h> | |
f2390880 | 20 | |
45fce594 JFM |
21 | struct simple_card_data { |
22 | struct snd_soc_card snd_card; | |
cf7dc23c JFM |
23 | struct simple_dai_props { |
24 | struct asoc_simple_dai cpu_dai; | |
25 | struct asoc_simple_dai codec_dai; | |
26 | } *dai_props; | |
2942a0e2 | 27 | unsigned int mclk_fs; |
cf7dc23c | 28 | struct snd_soc_dai_link dai_link[]; /* dynamically allocated */ |
45fce594 JFM |
29 | }; |
30 | ||
2942a0e2 AL |
31 | static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream, |
32 | struct snd_pcm_hw_params *params) | |
33 | { | |
34 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
35 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
36 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); | |
37 | unsigned int mclk; | |
38 | int ret = 0; | |
39 | ||
40 | if (priv->mclk_fs) { | |
41 | mclk = params_rate(params) * priv->mclk_fs; | |
42 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, | |
43 | SND_SOC_CLOCK_IN); | |
44 | } | |
45 | ||
46 | return ret; | |
47 | } | |
48 | ||
49 | static struct snd_soc_ops asoc_simple_card_ops = { | |
50 | .hw_params = asoc_simple_card_hw_params, | |
51 | }; | |
52 | ||
a4a2992c | 53 | static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai, |
30d0341e | 54 | struct asoc_simple_dai *set) |
a4a2992c | 55 | { |
4763ebe2 | 56 | int ret; |
a4a2992c | 57 | |
30d0341e XL |
58 | if (set->fmt) { |
59 | ret = snd_soc_dai_set_fmt(dai, set->fmt); | |
4763ebe2 XL |
60 | if (ret && ret != -ENOTSUPP) { |
61 | dev_err(dai->dev, "simple-card: set_fmt error\n"); | |
62 | goto err; | |
63 | } | |
e244bb9b KM |
64 | } |
65 | ||
4763ebe2 | 66 | if (set->sysclk) { |
a4a2992c | 67 | ret = snd_soc_dai_set_sysclk(dai, 0, set->sysclk, 0); |
4763ebe2 XL |
68 | if (ret && ret != -ENOTSUPP) { |
69 | dev_err(dai->dev, "simple-card: set_sysclk error\n"); | |
70 | goto err; | |
71 | } | |
72 | } | |
73 | ||
6ff62eed XL |
74 | if (set->slots) { |
75 | ret = snd_soc_dai_set_tdm_slot(dai, 0, 0, | |
76 | set->slots, | |
77 | set->slot_width); | |
78 | if (ret && ret != -ENOTSUPP) { | |
79 | dev_err(dai->dev, "simple-card: set_tdm_slot error\n"); | |
80 | goto err; | |
81 | } | |
82 | } | |
83 | ||
4763ebe2 | 84 | ret = 0; |
a4a2992c | 85 | |
4763ebe2 | 86 | err: |
a4a2992c KM |
87 | return ret; |
88 | } | |
89 | ||
f2390880 KM |
90 | static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd) |
91 | { | |
781cbebe | 92 | struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); |
f2390880 KM |
93 | struct snd_soc_dai *codec = rtd->codec_dai; |
94 | struct snd_soc_dai *cpu = rtd->cpu_dai; | |
6a91a17b JFM |
95 | struct simple_dai_props *dai_props; |
96 | int num, ret; | |
f2390880 | 97 | |
6a91a17b JFM |
98 | num = rtd - rtd->card->rtd; |
99 | dai_props = &priv->dai_props[num]; | |
100 | ret = __asoc_simple_card_dai_init(codec, &dai_props->codec_dai); | |
a4a2992c KM |
101 | if (ret < 0) |
102 | return ret; | |
f2390880 | 103 | |
6a91a17b | 104 | ret = __asoc_simple_card_dai_init(cpu, &dai_props->cpu_dai); |
a4a2992c KM |
105 | if (ret < 0) |
106 | return ret; | |
f2390880 KM |
107 | |
108 | return 0; | |
109 | } | |
110 | ||
fa558c28 KM |
111 | static int |
112 | asoc_simple_card_sub_parse_of(struct device_node *np, | |
113 | struct asoc_simple_dai *dai, | |
52008472 JFM |
114 | const struct device_node **p_node, |
115 | const char **name) | |
fa558c28 | 116 | { |
201a0eac | 117 | struct device_node *node; |
fa558c28 | 118 | struct clk *clk; |
c7099eb1 | 119 | u32 val; |
fa558c28 KM |
120 | int ret; |
121 | ||
122 | /* | |
123 | * get node via "sound-dai = <&phandle port>" | |
124 | * it will be used as xxx_of_node on soc_bind_dai_link() | |
125 | */ | |
201a0eac JFM |
126 | node = of_parse_phandle(np, "sound-dai", 0); |
127 | if (!node) | |
fa558c28 | 128 | return -ENODEV; |
201a0eac | 129 | *p_node = node; |
fa558c28 KM |
130 | |
131 | /* get dai->name */ | |
52008472 | 132 | ret = snd_soc_of_get_dai_name(np, name); |
fa558c28 | 133 | if (ret < 0) |
e512e001 | 134 | return ret; |
fa558c28 | 135 | |
6ff62eed XL |
136 | /* parse TDM slot */ |
137 | ret = snd_soc_of_parse_tdm_slot(np, &dai->slots, &dai->slot_width); | |
138 | if (ret) | |
e512e001 | 139 | return ret; |
6ff62eed | 140 | |
fa558c28 KM |
141 | /* |
142 | * dai->sysclk come from | |
143 | * "clocks = <&xxx>" (if system has common clock) | |
144 | * or "system-clock-frequency = <xxx>" | |
71467e46 | 145 | * or device's module clock. |
fa558c28 | 146 | */ |
71467e46 XL |
147 | if (of_property_read_bool(np, "clocks")) { |
148 | clk = of_clk_get(np, 0); | |
149 | if (IS_ERR(clk)) { | |
150 | ret = PTR_ERR(clk); | |
e512e001 | 151 | return ret; |
71467e46 XL |
152 | } |
153 | ||
154 | dai->sysclk = clk_get_rate(clk); | |
c7099eb1 JS |
155 | } else if (!of_property_read_u32(np, "system-clock-frequency", &val)) { |
156 | dai->sysclk = val; | |
71467e46 | 157 | } else { |
201a0eac | 158 | clk = of_clk_get(node, 0); |
e2a19ac6 XL |
159 | if (!IS_ERR(clk)) |
160 | dai->sysclk = clk_get_rate(clk); | |
71467e46 | 161 | } |
fa558c28 | 162 | |
e512e001 | 163 | return 0; |
fa558c28 KM |
164 | } |
165 | ||
b3ca11ff JS |
166 | static int simple_card_dai_link_of(struct device_node *node, |
167 | struct device *dev, | |
168 | struct snd_soc_dai_link *dai_link, | |
64872215 JS |
169 | struct simple_dai_props *dai_props, |
170 | bool is_top_level_node) | |
6a91a17b | 171 | { |
b3ca11ff JS |
172 | struct device_node *np = NULL; |
173 | struct device_node *bitclkmaster = NULL; | |
174 | struct device_node *framemaster = NULL; | |
175 | unsigned int daifmt; | |
176 | char *name; | |
177 | char prop[128]; | |
178 | char *prefix = ""; | |
6a91a17b JFM |
179 | int ret; |
180 | ||
64872215 JS |
181 | if (is_top_level_node) |
182 | prefix = "simple-audio-card,"; | |
b3ca11ff JS |
183 | |
184 | daifmt = snd_soc_of_parse_daifmt(node, prefix, | |
185 | &bitclkmaster, &framemaster); | |
186 | daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
187 | ||
188 | snprintf(prop, sizeof(prop), "%scpu", prefix); | |
189 | np = of_get_child_by_name(node, prop); | |
190 | if (!np) { | |
191 | ret = -EINVAL; | |
966b8063 | 192 | dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); |
b3ca11ff | 193 | goto dai_link_of_err; |
6a91a17b | 194 | } |
b3ca11ff JS |
195 | |
196 | ret = asoc_simple_card_sub_parse_of(np, &dai_props->cpu_dai, | |
197 | &dai_link->cpu_of_node, | |
198 | &dai_link->cpu_dai_name); | |
6a91a17b | 199 | if (ret < 0) |
b3ca11ff JS |
200 | goto dai_link_of_err; |
201 | ||
202 | dai_props->cpu_dai.fmt = daifmt; | |
781cbebe | 203 | switch (((np == bitclkmaster) << 4) | (np == framemaster)) { |
b3ca11ff JS |
204 | case 0x11: |
205 | dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
206 | break; | |
207 | case 0x10: | |
208 | dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
209 | break; | |
210 | case 0x01: | |
211 | dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
212 | break; | |
213 | default: | |
214 | dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
215 | break; | |
216 | } | |
6a91a17b | 217 | |
b3ca11ff JS |
218 | of_node_put(np); |
219 | snprintf(prop, sizeof(prop), "%scodec", prefix); | |
220 | np = of_get_child_by_name(node, prop); | |
221 | if (!np) { | |
222 | ret = -EINVAL; | |
966b8063 | 223 | dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); |
b3ca11ff | 224 | goto dai_link_of_err; |
6a91a17b | 225 | } |
b3ca11ff JS |
226 | |
227 | ret = asoc_simple_card_sub_parse_of(np, &dai_props->codec_dai, | |
228 | &dai_link->codec_of_node, | |
229 | &dai_link->codec_dai_name); | |
230 | if (ret < 0) | |
231 | goto dai_link_of_err; | |
232 | ||
233 | if (strlen(prefix) && !bitclkmaster && !framemaster) { | |
234 | /* No dai-link level and master setting was not found from | |
235 | sound node level, revert back to legacy DT parsing and | |
236 | take the settings from codec node. */ | |
237 | dev_dbg(dev, "%s: Revert to legacy daifmt parsing\n", | |
238 | __func__); | |
239 | dai_props->cpu_dai.fmt = dai_props->codec_dai.fmt = | |
240 | snd_soc_of_parse_daifmt(np, NULL, NULL, NULL) | | |
241 | (daifmt & ~SND_SOC_DAIFMT_CLOCK_MASK); | |
242 | } else { | |
243 | dai_props->codec_dai.fmt = daifmt; | |
781cbebe | 244 | switch (((np == bitclkmaster) << 4) | (np == framemaster)) { |
b3ca11ff JS |
245 | case 0x11: |
246 | dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
247 | break; | |
248 | case 0x10: | |
249 | dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
250 | break; | |
251 | case 0x01: | |
252 | dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
253 | break; | |
254 | default: | |
255 | dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
256 | break; | |
257 | } | |
258 | } | |
259 | ||
260 | if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name) { | |
781cbebe NC |
261 | ret = -EINVAL; |
262 | goto dai_link_of_err; | |
b3ca11ff JS |
263 | } |
264 | ||
265 | /* simple-card assumes platform == cpu */ | |
266 | dai_link->platform_of_node = dai_link->cpu_of_node; | |
267 | ||
268 | /* Link name is created from CPU/CODEC dai name */ | |
269 | name = devm_kzalloc(dev, | |
270 | strlen(dai_link->cpu_dai_name) + | |
271 | strlen(dai_link->codec_dai_name) + 2, | |
272 | GFP_KERNEL); | |
273 | sprintf(name, "%s-%s", dai_link->cpu_dai_name, | |
274 | dai_link->codec_dai_name); | |
275 | dai_link->name = dai_link->stream_name = name; | |
2942a0e2 | 276 | dai_link->ops = &asoc_simple_card_ops; |
b3ca11ff JS |
277 | |
278 | dev_dbg(dev, "\tname : %s\n", dai_link->stream_name); | |
279 | dev_dbg(dev, "\tcpu : %s / %04x / %d\n", | |
280 | dai_link->cpu_dai_name, | |
281 | dai_props->cpu_dai.fmt, | |
282 | dai_props->cpu_dai.sysclk); | |
283 | dev_dbg(dev, "\tcodec : %s / %04x / %d\n", | |
284 | dai_link->codec_dai_name, | |
285 | dai_props->codec_dai.fmt, | |
286 | dai_props->codec_dai.sysclk); | |
287 | ||
288 | dai_link_of_err: | |
289 | if (np) | |
290 | of_node_put(np); | |
291 | if (bitclkmaster) | |
292 | of_node_put(bitclkmaster); | |
293 | if (framemaster) | |
294 | of_node_put(framemaster); | |
6a91a17b JFM |
295 | return ret; |
296 | } | |
297 | ||
fa558c28 | 298 | static int asoc_simple_card_parse_of(struct device_node *node, |
b367a325 | 299 | struct simple_card_data *priv, |
6a91a17b JFM |
300 | struct device *dev, |
301 | int multi) | |
fa558c28 | 302 | { |
b367a325 | 303 | struct snd_soc_dai_link *dai_link = priv->snd_card.dai_link; |
6a91a17b | 304 | struct simple_dai_props *dai_props = priv->dai_props; |
c7099eb1 | 305 | u32 val; |
d4c22094 | 306 | int ret; |
fa558c28 | 307 | |
2772555b XL |
308 | /* parsing the card name from DT */ |
309 | snd_soc_of_parse_card_name(&priv->snd_card, "simple-audio-card,name"); | |
310 | ||
9d681f5b XL |
311 | /* off-codec widgets */ |
312 | if (of_property_read_bool(node, "simple-audio-card,widgets")) { | |
313 | ret = snd_soc_of_parse_audio_simple_widgets(&priv->snd_card, | |
314 | "simple-audio-card,widgets"); | |
315 | if (ret) | |
316 | return ret; | |
317 | } | |
318 | ||
d4c22094 | 319 | /* DAPM routes */ |
8c0b8230 | 320 | if (of_property_read_bool(node, "simple-audio-card,routing")) { |
b367a325 | 321 | ret = snd_soc_of_parse_audio_routing(&priv->snd_card, |
8c0b8230 | 322 | "simple-audio-card,routing"); |
f87a3e82 XL |
323 | if (ret) |
324 | return ret; | |
325 | } | |
d4c22094 | 326 | |
2942a0e2 | 327 | /* Factor to mclk, used in hw_params() */ |
c7099eb1 JS |
328 | ret = of_property_read_u32(node, "simple-audio-card,mclk-fs", &val); |
329 | if (ret == 0) | |
330 | priv->mclk_fs = val; | |
2942a0e2 | 331 | |
b3ca11ff JS |
332 | dev_dbg(dev, "New simple-card: %s\n", priv->snd_card.name ? |
333 | priv->snd_card.name : ""); | |
334 | ||
335 | if (multi) { | |
336 | struct device_node *np = NULL; | |
337 | int i; | |
338 | for (i = 0; (np = of_get_next_child(node, np)); i++) { | |
339 | dev_dbg(dev, "\tlink %d:\n", i); | |
340 | ret = simple_card_dai_link_of(np, dev, dai_link + i, | |
64872215 | 341 | dai_props + i, false); |
b3ca11ff JS |
342 | if (ret < 0) { |
343 | of_node_put(np); | |
344 | return ret; | |
345 | } | |
6a91a17b | 346 | } |
b3ca11ff | 347 | } else { |
64872215 JS |
348 | ret = simple_card_dai_link_of(node, dev, dai_link, dai_props, |
349 | true); | |
6a91a17b | 350 | if (ret < 0) |
b3ca11ff | 351 | return ret; |
6a91a17b | 352 | } |
dd41e0c4 | 353 | |
2772555b | 354 | if (!priv->snd_card.name) |
b3ca11ff | 355 | priv->snd_card.name = priv->snd_card.dai_link->name; |
f687d900 | 356 | |
fa558c28 KM |
357 | return 0; |
358 | } | |
359 | ||
e512e001 JFM |
360 | /* update the reference count of the devices nodes at end of probe */ |
361 | static int asoc_simple_card_unref(struct platform_device *pdev) | |
362 | { | |
363 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
364 | struct snd_soc_dai_link *dai_link; | |
365 | struct device_node *np; | |
366 | int num_links; | |
367 | ||
368 | for (num_links = 0, dai_link = card->dai_link; | |
369 | num_links < card->num_links; | |
370 | num_links++, dai_link++) { | |
371 | np = (struct device_node *) dai_link->cpu_of_node; | |
372 | if (np) | |
373 | of_node_put(np); | |
374 | np = (struct device_node *) dai_link->codec_of_node; | |
375 | if (np) | |
376 | of_node_put(np); | |
377 | } | |
378 | return 0; | |
379 | } | |
380 | ||
f2390880 KM |
381 | static int asoc_simple_card_probe(struct platform_device *pdev) |
382 | { | |
45fce594 | 383 | struct simple_card_data *priv; |
5ca8ba41 | 384 | struct snd_soc_dai_link *dai_link; |
fa558c28 | 385 | struct device_node *np = pdev->dev.of_node; |
f89983ef | 386 | struct device *dev = &pdev->dev; |
6a91a17b JFM |
387 | int num_links, multi, ret; |
388 | ||
389 | /* get the number of DAI links */ | |
390 | if (np && of_get_child_by_name(np, "simple-audio-card,dai-link")) { | |
391 | num_links = of_get_child_count(np); | |
392 | multi = 1; | |
393 | } else { | |
394 | num_links = 1; | |
395 | multi = 0; | |
396 | } | |
f2390880 | 397 | |
cf7dc23c JFM |
398 | /* allocate the private data and the DAI link array */ |
399 | priv = devm_kzalloc(dev, | |
6a91a17b | 400 | sizeof(*priv) + sizeof(*dai_link) * num_links, |
cf7dc23c | 401 | GFP_KERNEL); |
ca65b492 | 402 | if (!priv) |
ca919fe4 XL |
403 | return -ENOMEM; |
404 | ||
201a0eac JFM |
405 | /* |
406 | * init snd_soc_card | |
407 | */ | |
ca65b492 JFM |
408 | priv->snd_card.owner = THIS_MODULE; |
409 | priv->snd_card.dev = dev; | |
cf7dc23c | 410 | dai_link = priv->dai_link; |
ca65b492 | 411 | priv->snd_card.dai_link = dai_link; |
6a91a17b | 412 | priv->snd_card.num_links = num_links; |
201a0eac | 413 | |
cf7dc23c JFM |
414 | /* get room for the other properties */ |
415 | priv->dai_props = devm_kzalloc(dev, | |
6a91a17b | 416 | sizeof(*priv->dai_props) * num_links, |
cf7dc23c JFM |
417 | GFP_KERNEL); |
418 | if (!priv->dai_props) | |
419 | return -ENOMEM; | |
420 | ||
fa558c28 | 421 | if (np && of_device_is_available(np)) { |
ca919fe4 | 422 | |
6a91a17b | 423 | ret = asoc_simple_card_parse_of(np, priv, dev, multi); |
ca919fe4 XL |
424 | if (ret < 0) { |
425 | if (ret != -EPROBE_DEFER) | |
426 | dev_err(dev, "parse error %d\n", ret); | |
e512e001 | 427 | goto err; |
fa558c28 | 428 | } |
6a91a17b JFM |
429 | |
430 | /* | |
431 | * soc_bind_dai_link() will check cpu name | |
432 | * after of_node matching if dai_link has cpu_dai_name. | |
433 | * but, it will never match if name was created by fmt_single_name() | |
434 | * remove cpu_dai_name to escape name matching. | |
435 | * see | |
436 | * fmt_single_name() | |
437 | * fmt_multiple_name() | |
438 | */ | |
439 | if (num_links == 1) | |
440 | dai_link->cpu_dai_name = NULL; | |
441 | ||
fa558c28 | 442 | } else { |
ca65b492 JFM |
443 | struct asoc_simple_card_info *cinfo; |
444 | ||
445 | cinfo = dev->platform_data; | |
446 | if (!cinfo) { | |
34787d0a XL |
447 | dev_err(dev, "no info for asoc-simple-card\n"); |
448 | return -EINVAL; | |
449 | } | |
fa558c28 | 450 | |
781cbebe NC |
451 | if (!cinfo->name || |
452 | !cinfo->codec_dai.name || | |
453 | !cinfo->codec || | |
454 | !cinfo->platform || | |
7722f830 JFM |
455 | !cinfo->cpu_dai.name) { |
456 | dev_err(dev, "insufficient asoc_simple_card_info settings\n"); | |
457 | return -EINVAL; | |
458 | } | |
2bee9914 | 459 | |
12ffa6fc | 460 | priv->snd_card.name = (cinfo->card) ? cinfo->card : cinfo->name; |
5ca8ba41 JFM |
461 | dai_link->name = cinfo->name; |
462 | dai_link->stream_name = cinfo->name; | |
463 | dai_link->platform_name = cinfo->platform; | |
464 | dai_link->codec_name = cinfo->codec; | |
52008472 JFM |
465 | dai_link->cpu_dai_name = cinfo->cpu_dai.name; |
466 | dai_link->codec_dai_name = cinfo->codec_dai.name; | |
cf7dc23c JFM |
467 | memcpy(&priv->dai_props->cpu_dai, &cinfo->cpu_dai, |
468 | sizeof(priv->dai_props->cpu_dai)); | |
469 | memcpy(&priv->dai_props->codec_dai, &cinfo->codec_dai, | |
470 | sizeof(priv->dai_props->codec_dai)); | |
81985bd6 | 471 | |
cf7dc23c JFM |
472 | priv->dai_props->cpu_dai.fmt |= cinfo->daifmt; |
473 | priv->dai_props->codec_dai.fmt |= cinfo->daifmt; | |
f2390880 KM |
474 | } |
475 | ||
476 | /* | |
477 | * init snd_soc_dai_link | |
478 | */ | |
5ca8ba41 | 479 | dai_link->init = asoc_simple_card_dai_init; |
f2390880 | 480 | |
ca65b492 | 481 | snd_soc_card_set_drvdata(&priv->snd_card, priv); |
f2390880 | 482 | |
e512e001 JFM |
483 | ret = devm_snd_soc_register_card(&pdev->dev, &priv->snd_card); |
484 | ||
485 | err: | |
486 | asoc_simple_card_unref(pdev); | |
487 | return ret; | |
f2390880 KM |
488 | } |
489 | ||
fa558c28 KM |
490 | static const struct of_device_id asoc_simple_of_match[] = { |
491 | { .compatible = "simple-audio-card", }, | |
492 | {}, | |
493 | }; | |
494 | MODULE_DEVICE_TABLE(of, asoc_simple_of_match); | |
495 | ||
f2390880 KM |
496 | static struct platform_driver asoc_simple_card = { |
497 | .driver = { | |
781cbebe | 498 | .name = "asoc-simple-card", |
c445be35 | 499 | .owner = THIS_MODULE, |
fa558c28 | 500 | .of_match_table = asoc_simple_of_match, |
f2390880 | 501 | }, |
781cbebe | 502 | .probe = asoc_simple_card_probe, |
f2390880 KM |
503 | }; |
504 | ||
505 | module_platform_driver(asoc_simple_card); | |
506 | ||
c445be35 | 507 | MODULE_ALIAS("platform:asoc-simple-card"); |
f2390880 KM |
508 | MODULE_LICENSE("GPL"); |
509 | MODULE_DESCRIPTION("ASoC Simple Sound Card"); | |
510 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); |