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 KM |
118 | struct clk *clk; |
119 | int ret; | |
120 | ||
121 | /* | |
122 | * get node via "sound-dai = <&phandle port>" | |
123 | * it will be used as xxx_of_node on soc_bind_dai_link() | |
124 | */ | |
201a0eac JFM |
125 | node = of_parse_phandle(np, "sound-dai", 0); |
126 | if (!node) | |
fa558c28 | 127 | return -ENODEV; |
201a0eac | 128 | *p_node = node; |
fa558c28 KM |
129 | |
130 | /* get dai->name */ | |
52008472 | 131 | ret = snd_soc_of_get_dai_name(np, name); |
fa558c28 | 132 | if (ret < 0) |
e512e001 | 133 | return ret; |
fa558c28 | 134 | |
6ff62eed XL |
135 | /* parse TDM slot */ |
136 | ret = snd_soc_of_parse_tdm_slot(np, &dai->slots, &dai->slot_width); | |
137 | if (ret) | |
e512e001 | 138 | return ret; |
6ff62eed | 139 | |
fa558c28 KM |
140 | /* |
141 | * dai->sysclk come from | |
142 | * "clocks = <&xxx>" (if system has common clock) | |
143 | * or "system-clock-frequency = <xxx>" | |
71467e46 | 144 | * or device's module clock. |
fa558c28 | 145 | */ |
71467e46 XL |
146 | if (of_property_read_bool(np, "clocks")) { |
147 | clk = of_clk_get(np, 0); | |
148 | if (IS_ERR(clk)) { | |
149 | ret = PTR_ERR(clk); | |
e512e001 | 150 | return ret; |
71467e46 XL |
151 | } |
152 | ||
153 | dai->sysclk = clk_get_rate(clk); | |
154 | } else if (of_property_read_bool(np, "system-clock-frequency")) { | |
fa558c28 KM |
155 | of_property_read_u32(np, |
156 | "system-clock-frequency", | |
157 | &dai->sysclk); | |
71467e46 | 158 | } else { |
201a0eac | 159 | clk = of_clk_get(node, 0); |
e2a19ac6 XL |
160 | if (!IS_ERR(clk)) |
161 | dai->sysclk = clk_get_rate(clk); | |
71467e46 | 162 | } |
fa558c28 | 163 | |
e512e001 | 164 | return 0; |
fa558c28 KM |
165 | } |
166 | ||
b3ca11ff JS |
167 | static int simple_card_dai_link_of(struct device_node *node, |
168 | struct device *dev, | |
169 | struct snd_soc_dai_link *dai_link, | |
64872215 JS |
170 | struct simple_dai_props *dai_props, |
171 | bool is_top_level_node) | |
6a91a17b | 172 | { |
b3ca11ff JS |
173 | struct device_node *np = NULL; |
174 | struct device_node *bitclkmaster = NULL; | |
175 | struct device_node *framemaster = NULL; | |
176 | unsigned int daifmt; | |
177 | char *name; | |
178 | char prop[128]; | |
179 | char *prefix = ""; | |
6a91a17b JFM |
180 | int ret; |
181 | ||
64872215 JS |
182 | if (is_top_level_node) |
183 | prefix = "simple-audio-card,"; | |
b3ca11ff JS |
184 | |
185 | daifmt = snd_soc_of_parse_daifmt(node, prefix, | |
186 | &bitclkmaster, &framemaster); | |
187 | daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
188 | ||
189 | snprintf(prop, sizeof(prop), "%scpu", prefix); | |
190 | np = of_get_child_by_name(node, prop); | |
191 | if (!np) { | |
192 | ret = -EINVAL; | |
966b8063 | 193 | dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); |
b3ca11ff | 194 | goto dai_link_of_err; |
6a91a17b | 195 | } |
b3ca11ff JS |
196 | |
197 | ret = asoc_simple_card_sub_parse_of(np, &dai_props->cpu_dai, | |
198 | &dai_link->cpu_of_node, | |
199 | &dai_link->cpu_dai_name); | |
6a91a17b | 200 | if (ret < 0) |
b3ca11ff JS |
201 | goto dai_link_of_err; |
202 | ||
203 | dai_props->cpu_dai.fmt = daifmt; | |
781cbebe | 204 | switch (((np == bitclkmaster) << 4) | (np == framemaster)) { |
b3ca11ff JS |
205 | case 0x11: |
206 | dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
207 | break; | |
208 | case 0x10: | |
209 | dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
210 | break; | |
211 | case 0x01: | |
212 | dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
213 | break; | |
214 | default: | |
215 | dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
216 | break; | |
217 | } | |
6a91a17b | 218 | |
b3ca11ff JS |
219 | of_node_put(np); |
220 | snprintf(prop, sizeof(prop), "%scodec", prefix); | |
221 | np = of_get_child_by_name(node, prop); | |
222 | if (!np) { | |
223 | ret = -EINVAL; | |
966b8063 | 224 | dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); |
b3ca11ff | 225 | goto dai_link_of_err; |
6a91a17b | 226 | } |
b3ca11ff JS |
227 | |
228 | ret = asoc_simple_card_sub_parse_of(np, &dai_props->codec_dai, | |
229 | &dai_link->codec_of_node, | |
230 | &dai_link->codec_dai_name); | |
231 | if (ret < 0) | |
232 | goto dai_link_of_err; | |
233 | ||
234 | if (strlen(prefix) && !bitclkmaster && !framemaster) { | |
235 | /* No dai-link level and master setting was not found from | |
236 | sound node level, revert back to legacy DT parsing and | |
237 | take the settings from codec node. */ | |
238 | dev_dbg(dev, "%s: Revert to legacy daifmt parsing\n", | |
239 | __func__); | |
240 | dai_props->cpu_dai.fmt = dai_props->codec_dai.fmt = | |
241 | snd_soc_of_parse_daifmt(np, NULL, NULL, NULL) | | |
242 | (daifmt & ~SND_SOC_DAIFMT_CLOCK_MASK); | |
243 | } else { | |
244 | dai_props->codec_dai.fmt = daifmt; | |
781cbebe | 245 | switch (((np == bitclkmaster) << 4) | (np == framemaster)) { |
b3ca11ff JS |
246 | case 0x11: |
247 | dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
248 | break; | |
249 | case 0x10: | |
250 | dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
251 | break; | |
252 | case 0x01: | |
253 | dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
254 | break; | |
255 | default: | |
256 | dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
257 | break; | |
258 | } | |
259 | } | |
260 | ||
261 | if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name) { | |
781cbebe NC |
262 | ret = -EINVAL; |
263 | goto dai_link_of_err; | |
b3ca11ff JS |
264 | } |
265 | ||
266 | /* simple-card assumes platform == cpu */ | |
267 | dai_link->platform_of_node = dai_link->cpu_of_node; | |
268 | ||
269 | /* Link name is created from CPU/CODEC dai name */ | |
270 | name = devm_kzalloc(dev, | |
271 | strlen(dai_link->cpu_dai_name) + | |
272 | strlen(dai_link->codec_dai_name) + 2, | |
273 | GFP_KERNEL); | |
274 | sprintf(name, "%s-%s", dai_link->cpu_dai_name, | |
275 | dai_link->codec_dai_name); | |
276 | dai_link->name = dai_link->stream_name = name; | |
2942a0e2 | 277 | dai_link->ops = &asoc_simple_card_ops; |
b3ca11ff JS |
278 | |
279 | dev_dbg(dev, "\tname : %s\n", dai_link->stream_name); | |
280 | dev_dbg(dev, "\tcpu : %s / %04x / %d\n", | |
281 | dai_link->cpu_dai_name, | |
282 | dai_props->cpu_dai.fmt, | |
283 | dai_props->cpu_dai.sysclk); | |
284 | dev_dbg(dev, "\tcodec : %s / %04x / %d\n", | |
285 | dai_link->codec_dai_name, | |
286 | dai_props->codec_dai.fmt, | |
287 | dai_props->codec_dai.sysclk); | |
288 | ||
289 | dai_link_of_err: | |
290 | if (np) | |
291 | of_node_put(np); | |
292 | if (bitclkmaster) | |
293 | of_node_put(bitclkmaster); | |
294 | if (framemaster) | |
295 | of_node_put(framemaster); | |
6a91a17b JFM |
296 | return ret; |
297 | } | |
298 | ||
fa558c28 | 299 | static int asoc_simple_card_parse_of(struct device_node *node, |
b367a325 | 300 | struct simple_card_data *priv, |
6a91a17b JFM |
301 | struct device *dev, |
302 | int multi) | |
fa558c28 | 303 | { |
b367a325 | 304 | struct snd_soc_dai_link *dai_link = priv->snd_card.dai_link; |
6a91a17b | 305 | struct simple_dai_props *dai_props = priv->dai_props; |
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 AL |
327 | /* Factor to mclk, used in hw_params() */ |
328 | of_property_read_u32(node, "simple-audio-card,mclk-fs", | |
329 | &priv->mclk_fs); | |
330 | ||
b3ca11ff JS |
331 | dev_dbg(dev, "New simple-card: %s\n", priv->snd_card.name ? |
332 | priv->snd_card.name : ""); | |
333 | ||
334 | if (multi) { | |
335 | struct device_node *np = NULL; | |
336 | int i; | |
337 | for (i = 0; (np = of_get_next_child(node, np)); i++) { | |
338 | dev_dbg(dev, "\tlink %d:\n", i); | |
339 | ret = simple_card_dai_link_of(np, dev, dai_link + i, | |
64872215 | 340 | dai_props + i, false); |
b3ca11ff JS |
341 | if (ret < 0) { |
342 | of_node_put(np); | |
343 | return ret; | |
344 | } | |
6a91a17b | 345 | } |
b3ca11ff | 346 | } else { |
64872215 JS |
347 | ret = simple_card_dai_link_of(node, dev, dai_link, dai_props, |
348 | true); | |
6a91a17b | 349 | if (ret < 0) |
b3ca11ff | 350 | return ret; |
6a91a17b | 351 | } |
dd41e0c4 | 352 | |
2772555b | 353 | if (!priv->snd_card.name) |
b3ca11ff | 354 | priv->snd_card.name = priv->snd_card.dai_link->name; |
f687d900 | 355 | |
fa558c28 KM |
356 | return 0; |
357 | } | |
358 | ||
e512e001 JFM |
359 | /* update the reference count of the devices nodes at end of probe */ |
360 | static int asoc_simple_card_unref(struct platform_device *pdev) | |
361 | { | |
362 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
363 | struct snd_soc_dai_link *dai_link; | |
364 | struct device_node *np; | |
365 | int num_links; | |
366 | ||
367 | for (num_links = 0, dai_link = card->dai_link; | |
368 | num_links < card->num_links; | |
369 | num_links++, dai_link++) { | |
370 | np = (struct device_node *) dai_link->cpu_of_node; | |
371 | if (np) | |
372 | of_node_put(np); | |
373 | np = (struct device_node *) dai_link->codec_of_node; | |
374 | if (np) | |
375 | of_node_put(np); | |
376 | } | |
377 | return 0; | |
378 | } | |
379 | ||
f2390880 KM |
380 | static int asoc_simple_card_probe(struct platform_device *pdev) |
381 | { | |
45fce594 | 382 | struct simple_card_data *priv; |
5ca8ba41 | 383 | struct snd_soc_dai_link *dai_link; |
fa558c28 | 384 | struct device_node *np = pdev->dev.of_node; |
f89983ef | 385 | struct device *dev = &pdev->dev; |
6a91a17b JFM |
386 | int num_links, multi, ret; |
387 | ||
388 | /* get the number of DAI links */ | |
389 | if (np && of_get_child_by_name(np, "simple-audio-card,dai-link")) { | |
390 | num_links = of_get_child_count(np); | |
391 | multi = 1; | |
392 | } else { | |
393 | num_links = 1; | |
394 | multi = 0; | |
395 | } | |
f2390880 | 396 | |
cf7dc23c JFM |
397 | /* allocate the private data and the DAI link array */ |
398 | priv = devm_kzalloc(dev, | |
6a91a17b | 399 | sizeof(*priv) + sizeof(*dai_link) * num_links, |
cf7dc23c | 400 | GFP_KERNEL); |
ca65b492 | 401 | if (!priv) |
ca919fe4 XL |
402 | return -ENOMEM; |
403 | ||
201a0eac JFM |
404 | /* |
405 | * init snd_soc_card | |
406 | */ | |
ca65b492 JFM |
407 | priv->snd_card.owner = THIS_MODULE; |
408 | priv->snd_card.dev = dev; | |
cf7dc23c | 409 | dai_link = priv->dai_link; |
ca65b492 | 410 | priv->snd_card.dai_link = dai_link; |
6a91a17b | 411 | priv->snd_card.num_links = num_links; |
201a0eac | 412 | |
cf7dc23c JFM |
413 | /* get room for the other properties */ |
414 | priv->dai_props = devm_kzalloc(dev, | |
6a91a17b | 415 | sizeof(*priv->dai_props) * num_links, |
cf7dc23c JFM |
416 | GFP_KERNEL); |
417 | if (!priv->dai_props) | |
418 | return -ENOMEM; | |
419 | ||
fa558c28 | 420 | if (np && of_device_is_available(np)) { |
ca919fe4 | 421 | |
6a91a17b | 422 | ret = asoc_simple_card_parse_of(np, priv, dev, multi); |
ca919fe4 XL |
423 | if (ret < 0) { |
424 | if (ret != -EPROBE_DEFER) | |
425 | dev_err(dev, "parse error %d\n", ret); | |
e512e001 | 426 | goto err; |
fa558c28 | 427 | } |
6a91a17b JFM |
428 | |
429 | /* | |
430 | * soc_bind_dai_link() will check cpu name | |
431 | * after of_node matching if dai_link has cpu_dai_name. | |
432 | * but, it will never match if name was created by fmt_single_name() | |
433 | * remove cpu_dai_name to escape name matching. | |
434 | * see | |
435 | * fmt_single_name() | |
436 | * fmt_multiple_name() | |
437 | */ | |
438 | if (num_links == 1) | |
439 | dai_link->cpu_dai_name = NULL; | |
440 | ||
fa558c28 | 441 | } else { |
ca65b492 JFM |
442 | struct asoc_simple_card_info *cinfo; |
443 | ||
444 | cinfo = dev->platform_data; | |
445 | if (!cinfo) { | |
34787d0a XL |
446 | dev_err(dev, "no info for asoc-simple-card\n"); |
447 | return -EINVAL; | |
448 | } | |
fa558c28 | 449 | |
781cbebe NC |
450 | if (!cinfo->name || |
451 | !cinfo->codec_dai.name || | |
452 | !cinfo->codec || | |
453 | !cinfo->platform || | |
7722f830 JFM |
454 | !cinfo->cpu_dai.name) { |
455 | dev_err(dev, "insufficient asoc_simple_card_info settings\n"); | |
456 | return -EINVAL; | |
457 | } | |
2bee9914 | 458 | |
12ffa6fc | 459 | priv->snd_card.name = (cinfo->card) ? cinfo->card : cinfo->name; |
5ca8ba41 JFM |
460 | dai_link->name = cinfo->name; |
461 | dai_link->stream_name = cinfo->name; | |
462 | dai_link->platform_name = cinfo->platform; | |
463 | dai_link->codec_name = cinfo->codec; | |
52008472 JFM |
464 | dai_link->cpu_dai_name = cinfo->cpu_dai.name; |
465 | dai_link->codec_dai_name = cinfo->codec_dai.name; | |
cf7dc23c JFM |
466 | memcpy(&priv->dai_props->cpu_dai, &cinfo->cpu_dai, |
467 | sizeof(priv->dai_props->cpu_dai)); | |
468 | memcpy(&priv->dai_props->codec_dai, &cinfo->codec_dai, | |
469 | sizeof(priv->dai_props->codec_dai)); | |
81985bd6 | 470 | |
cf7dc23c JFM |
471 | priv->dai_props->cpu_dai.fmt |= cinfo->daifmt; |
472 | priv->dai_props->codec_dai.fmt |= cinfo->daifmt; | |
f2390880 KM |
473 | } |
474 | ||
475 | /* | |
476 | * init snd_soc_dai_link | |
477 | */ | |
5ca8ba41 | 478 | dai_link->init = asoc_simple_card_dai_init; |
f2390880 | 479 | |
ca65b492 | 480 | snd_soc_card_set_drvdata(&priv->snd_card, priv); |
f2390880 | 481 | |
e512e001 JFM |
482 | ret = devm_snd_soc_register_card(&pdev->dev, &priv->snd_card); |
483 | ||
484 | err: | |
485 | asoc_simple_card_unref(pdev); | |
486 | return ret; | |
f2390880 KM |
487 | } |
488 | ||
fa558c28 KM |
489 | static const struct of_device_id asoc_simple_of_match[] = { |
490 | { .compatible = "simple-audio-card", }, | |
491 | {}, | |
492 | }; | |
493 | MODULE_DEVICE_TABLE(of, asoc_simple_of_match); | |
494 | ||
f2390880 KM |
495 | static struct platform_driver asoc_simple_card = { |
496 | .driver = { | |
781cbebe | 497 | .name = "asoc-simple-card", |
c445be35 | 498 | .owner = THIS_MODULE, |
fa558c28 | 499 | .of_match_table = asoc_simple_of_match, |
f2390880 | 500 | }, |
781cbebe | 501 | .probe = asoc_simple_card_probe, |
f2390880 KM |
502 | }; |
503 | ||
504 | module_platform_driver(asoc_simple_card); | |
505 | ||
c445be35 | 506 | MODULE_ALIAS("platform:asoc-simple-card"); |
f2390880 KM |
507 | MODULE_LICENSE("GPL"); |
508 | MODULE_DESCRIPTION("ASoC Simple Sound Card"); | |
509 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); |