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, | |
8ea21348 | 114 | struct device_node **p_node, |
7c7b9cf5 KM |
115 | const char **name, |
116 | int *args_count) | |
fa558c28 | 117 | { |
7c7b9cf5 | 118 | struct of_phandle_args args; |
fa558c28 | 119 | struct clk *clk; |
c7099eb1 | 120 | u32 val; |
fa558c28 KM |
121 | int ret; |
122 | ||
123 | /* | |
0dd4fc3c | 124 | * Get node via "sound-dai = <&phandle port>" |
fa558c28 KM |
125 | * it will be used as xxx_of_node on soc_bind_dai_link() |
126 | */ | |
7c7b9cf5 KM |
127 | ret = of_parse_phandle_with_args(np, "sound-dai", |
128 | "#sound-dai-cells", 0, &args); | |
129 | if (ret) | |
130 | return ret; | |
131 | ||
132 | *p_node = args.np; | |
133 | ||
134 | if (args_count) | |
135 | *args_count = args.args_count; | |
fa558c28 | 136 | |
0dd4fc3c | 137 | /* Get dai->name */ |
52008472 | 138 | ret = snd_soc_of_get_dai_name(np, name); |
fa558c28 | 139 | if (ret < 0) |
e512e001 | 140 | return ret; |
fa558c28 | 141 | |
0dd4fc3c | 142 | /* Parse TDM slot */ |
6ff62eed XL |
143 | ret = snd_soc_of_parse_tdm_slot(np, &dai->slots, &dai->slot_width); |
144 | if (ret) | |
e512e001 | 145 | return ret; |
6ff62eed | 146 | |
fa558c28 | 147 | /* |
0dd4fc3c XL |
148 | * Parse dai->sysclk come from "clocks = <&xxx>" |
149 | * (if system has common clock) | |
fa558c28 | 150 | * or "system-clock-frequency = <xxx>" |
71467e46 | 151 | * or device's module clock. |
fa558c28 | 152 | */ |
71467e46 XL |
153 | if (of_property_read_bool(np, "clocks")) { |
154 | clk = of_clk_get(np, 0); | |
155 | if (IS_ERR(clk)) { | |
156 | ret = PTR_ERR(clk); | |
e512e001 | 157 | return ret; |
71467e46 XL |
158 | } |
159 | ||
160 | dai->sysclk = clk_get_rate(clk); | |
c7099eb1 JS |
161 | } else if (!of_property_read_u32(np, "system-clock-frequency", &val)) { |
162 | dai->sysclk = val; | |
71467e46 | 163 | } else { |
88a60e55 | 164 | clk = of_clk_get(args.np, 0); |
e2a19ac6 XL |
165 | if (!IS_ERR(clk)) |
166 | dai->sysclk = clk_get_rate(clk); | |
71467e46 | 167 | } |
fa558c28 | 168 | |
e512e001 | 169 | return 0; |
fa558c28 KM |
170 | } |
171 | ||
2d82eeb0 KM |
172 | static int asoc_simple_card_dai_link_of(struct device_node *node, |
173 | struct device *dev, | |
174 | struct snd_soc_dai_link *dai_link, | |
175 | struct simple_dai_props *dai_props, | |
176 | bool is_top_level_node) | |
6a91a17b | 177 | { |
b3ca11ff JS |
178 | struct device_node *np = NULL; |
179 | struct device_node *bitclkmaster = NULL; | |
180 | struct device_node *framemaster = NULL; | |
181 | unsigned int daifmt; | |
182 | char *name; | |
183 | char prop[128]; | |
184 | char *prefix = ""; | |
7c7b9cf5 | 185 | int ret, cpu_args; |
6a91a17b | 186 | |
2080437d | 187 | /* For single DAI link & old style of DT node */ |
64872215 JS |
188 | if (is_top_level_node) |
189 | prefix = "simple-audio-card,"; | |
b3ca11ff JS |
190 | |
191 | daifmt = snd_soc_of_parse_daifmt(node, prefix, | |
192 | &bitclkmaster, &framemaster); | |
193 | daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
194 | ||
195 | snprintf(prop, sizeof(prop), "%scpu", prefix); | |
196 | np = of_get_child_by_name(node, prop); | |
197 | if (!np) { | |
198 | ret = -EINVAL; | |
966b8063 | 199 | dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); |
b3ca11ff | 200 | goto dai_link_of_err; |
6a91a17b | 201 | } |
b3ca11ff JS |
202 | |
203 | ret = asoc_simple_card_sub_parse_of(np, &dai_props->cpu_dai, | |
204 | &dai_link->cpu_of_node, | |
7c7b9cf5 KM |
205 | &dai_link->cpu_dai_name, |
206 | &cpu_args); | |
6a91a17b | 207 | if (ret < 0) |
b3ca11ff JS |
208 | goto dai_link_of_err; |
209 | ||
210 | dai_props->cpu_dai.fmt = daifmt; | |
781cbebe | 211 | switch (((np == bitclkmaster) << 4) | (np == framemaster)) { |
b3ca11ff JS |
212 | case 0x11: |
213 | dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
214 | break; | |
215 | case 0x10: | |
216 | dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
217 | break; | |
218 | case 0x01: | |
219 | dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
220 | break; | |
221 | default: | |
222 | dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
223 | break; | |
224 | } | |
6a91a17b | 225 | |
b3ca11ff JS |
226 | of_node_put(np); |
227 | snprintf(prop, sizeof(prop), "%scodec", prefix); | |
228 | np = of_get_child_by_name(node, prop); | |
229 | if (!np) { | |
230 | ret = -EINVAL; | |
966b8063 | 231 | dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop); |
b3ca11ff | 232 | goto dai_link_of_err; |
6a91a17b | 233 | } |
b3ca11ff JS |
234 | |
235 | ret = asoc_simple_card_sub_parse_of(np, &dai_props->codec_dai, | |
236 | &dai_link->codec_of_node, | |
7c7b9cf5 | 237 | &dai_link->codec_dai_name, NULL); |
b3ca11ff JS |
238 | if (ret < 0) |
239 | goto dai_link_of_err; | |
240 | ||
241 | if (strlen(prefix) && !bitclkmaster && !framemaster) { | |
0dd4fc3c XL |
242 | /* |
243 | * No DAI link level and master setting was found | |
244 | * from sound node level, revert back to legacy DT | |
245 | * parsing and take the settings from codec node. | |
246 | */ | |
b3ca11ff JS |
247 | dev_dbg(dev, "%s: Revert to legacy daifmt parsing\n", |
248 | __func__); | |
249 | dai_props->cpu_dai.fmt = dai_props->codec_dai.fmt = | |
250 | snd_soc_of_parse_daifmt(np, NULL, NULL, NULL) | | |
251 | (daifmt & ~SND_SOC_DAIFMT_CLOCK_MASK); | |
252 | } else { | |
253 | dai_props->codec_dai.fmt = daifmt; | |
781cbebe | 254 | switch (((np == bitclkmaster) << 4) | (np == framemaster)) { |
b3ca11ff JS |
255 | case 0x11: |
256 | dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
257 | break; | |
258 | case 0x10: | |
259 | dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
260 | break; | |
261 | case 0x01: | |
262 | dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
263 | break; | |
264 | default: | |
265 | dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
266 | break; | |
267 | } | |
268 | } | |
269 | ||
270 | if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name) { | |
781cbebe NC |
271 | ret = -EINVAL; |
272 | goto dai_link_of_err; | |
b3ca11ff JS |
273 | } |
274 | ||
0dd4fc3c | 275 | /* Simple Card assumes platform == cpu */ |
b3ca11ff JS |
276 | dai_link->platform_of_node = dai_link->cpu_of_node; |
277 | ||
0dd4fc3c | 278 | /* DAI link name is created from CPU/CODEC dai name */ |
b3ca11ff JS |
279 | name = devm_kzalloc(dev, |
280 | strlen(dai_link->cpu_dai_name) + | |
281 | strlen(dai_link->codec_dai_name) + 2, | |
282 | GFP_KERNEL); | |
283 | sprintf(name, "%s-%s", dai_link->cpu_dai_name, | |
284 | dai_link->codec_dai_name); | |
285 | dai_link->name = dai_link->stream_name = name; | |
2942a0e2 | 286 | dai_link->ops = &asoc_simple_card_ops; |
a5960bd5 | 287 | dai_link->init = asoc_simple_card_dai_init; |
b3ca11ff JS |
288 | |
289 | dev_dbg(dev, "\tname : %s\n", dai_link->stream_name); | |
290 | dev_dbg(dev, "\tcpu : %s / %04x / %d\n", | |
291 | dai_link->cpu_dai_name, | |
292 | dai_props->cpu_dai.fmt, | |
293 | dai_props->cpu_dai.sysclk); | |
294 | dev_dbg(dev, "\tcodec : %s / %04x / %d\n", | |
295 | dai_link->codec_dai_name, | |
296 | dai_props->codec_dai.fmt, | |
297 | dai_props->codec_dai.sysclk); | |
298 | ||
179949bc | 299 | /* |
0dd4fc3c XL |
300 | * In soc_bind_dai_link() will check cpu name after |
301 | * of_node matching if dai_link has cpu_dai_name. | |
302 | * but, it will never match if name was created by | |
303 | * fmt_single_name() remove cpu_dai_name if cpu_args | |
304 | * was 0. See: | |
179949bc KM |
305 | * fmt_single_name() |
306 | * fmt_multiple_name() | |
307 | */ | |
7c7b9cf5 KM |
308 | if (!cpu_args) |
309 | dai_link->cpu_dai_name = NULL; | |
179949bc | 310 | |
b3ca11ff JS |
311 | dai_link_of_err: |
312 | if (np) | |
313 | of_node_put(np); | |
314 | if (bitclkmaster) | |
315 | of_node_put(bitclkmaster); | |
316 | if (framemaster) | |
317 | of_node_put(framemaster); | |
6a91a17b JFM |
318 | return ret; |
319 | } | |
320 | ||
fa558c28 | 321 | static int asoc_simple_card_parse_of(struct device_node *node, |
b367a325 | 322 | struct simple_card_data *priv, |
2080437d | 323 | struct device *dev) |
fa558c28 | 324 | { |
b367a325 | 325 | struct snd_soc_dai_link *dai_link = priv->snd_card.dai_link; |
6a91a17b | 326 | struct simple_dai_props *dai_props = priv->dai_props; |
c7099eb1 | 327 | u32 val; |
d4c22094 | 328 | int ret; |
fa558c28 | 329 | |
2080437d XL |
330 | if (!node) |
331 | return -EINVAL; | |
332 | ||
0dd4fc3c | 333 | /* Parse the card name from DT */ |
2772555b XL |
334 | snd_soc_of_parse_card_name(&priv->snd_card, "simple-audio-card,name"); |
335 | ||
0dd4fc3c | 336 | /* The off-codec widgets */ |
9d681f5b XL |
337 | if (of_property_read_bool(node, "simple-audio-card,widgets")) { |
338 | ret = snd_soc_of_parse_audio_simple_widgets(&priv->snd_card, | |
339 | "simple-audio-card,widgets"); | |
340 | if (ret) | |
341 | return ret; | |
342 | } | |
343 | ||
d4c22094 | 344 | /* DAPM routes */ |
8c0b8230 | 345 | if (of_property_read_bool(node, "simple-audio-card,routing")) { |
b367a325 | 346 | ret = snd_soc_of_parse_audio_routing(&priv->snd_card, |
8c0b8230 | 347 | "simple-audio-card,routing"); |
f87a3e82 XL |
348 | if (ret) |
349 | return ret; | |
350 | } | |
d4c22094 | 351 | |
2942a0e2 | 352 | /* Factor to mclk, used in hw_params() */ |
c7099eb1 JS |
353 | ret = of_property_read_u32(node, "simple-audio-card,mclk-fs", &val); |
354 | if (ret == 0) | |
355 | priv->mclk_fs = val; | |
2942a0e2 | 356 | |
b3ca11ff JS |
357 | dev_dbg(dev, "New simple-card: %s\n", priv->snd_card.name ? |
358 | priv->snd_card.name : ""); | |
359 | ||
2080437d XL |
360 | /* Single/Muti DAI link(s) & New style of DT node */ |
361 | if (of_get_child_by_name(node, "simple-audio-card,dai-link")) { | |
b3ca11ff | 362 | struct device_node *np = NULL; |
a44a750e KM |
363 | int i = 0; |
364 | ||
365 | for_each_child_of_node(node, np) { | |
b3ca11ff | 366 | dev_dbg(dev, "\tlink %d:\n", i); |
2d82eeb0 KM |
367 | ret = asoc_simple_card_dai_link_of(np, dev, |
368 | dai_link + i, | |
369 | dai_props + i, | |
370 | false); | |
b3ca11ff JS |
371 | if (ret < 0) { |
372 | of_node_put(np); | |
373 | return ret; | |
374 | } | |
a44a750e | 375 | i++; |
6a91a17b | 376 | } |
b3ca11ff | 377 | } else { |
2080437d | 378 | /* For single DAI link & old style of DT node */ |
2d82eeb0 KM |
379 | ret = asoc_simple_card_dai_link_of(node, dev, |
380 | dai_link, dai_props, true); | |
6a91a17b | 381 | if (ret < 0) |
b3ca11ff | 382 | return ret; |
6a91a17b | 383 | } |
dd41e0c4 | 384 | |
2772555b | 385 | if (!priv->snd_card.name) |
b3ca11ff | 386 | priv->snd_card.name = priv->snd_card.dai_link->name; |
f687d900 | 387 | |
fa558c28 KM |
388 | return 0; |
389 | } | |
390 | ||
0dd4fc3c | 391 | /* Decrease the reference count of the device nodes */ |
e512e001 JFM |
392 | static int asoc_simple_card_unref(struct platform_device *pdev) |
393 | { | |
394 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
395 | struct snd_soc_dai_link *dai_link; | |
396 | struct device_node *np; | |
397 | int num_links; | |
398 | ||
399 | for (num_links = 0, dai_link = card->dai_link; | |
400 | num_links < card->num_links; | |
401 | num_links++, dai_link++) { | |
402 | np = (struct device_node *) dai_link->cpu_of_node; | |
403 | if (np) | |
404 | of_node_put(np); | |
405 | np = (struct device_node *) dai_link->codec_of_node; | |
406 | if (np) | |
407 | of_node_put(np); | |
408 | } | |
409 | return 0; | |
410 | } | |
411 | ||
f2390880 KM |
412 | static int asoc_simple_card_probe(struct platform_device *pdev) |
413 | { | |
45fce594 | 414 | struct simple_card_data *priv; |
5ca8ba41 | 415 | struct snd_soc_dai_link *dai_link; |
fa558c28 | 416 | struct device_node *np = pdev->dev.of_node; |
f89983ef | 417 | struct device *dev = &pdev->dev; |
2080437d | 418 | int num_links, ret; |
6a91a17b | 419 | |
0dd4fc3c | 420 | /* Get the number of DAI links */ |
2080437d | 421 | if (np && of_get_child_by_name(np, "simple-audio-card,dai-link")) |
6a91a17b | 422 | num_links = of_get_child_count(np); |
2080437d | 423 | else |
6a91a17b | 424 | num_links = 1; |
f2390880 | 425 | |
0dd4fc3c | 426 | /* Allocate the private data and the DAI link array */ |
cf7dc23c | 427 | priv = devm_kzalloc(dev, |
6a91a17b | 428 | sizeof(*priv) + sizeof(*dai_link) * num_links, |
cf7dc23c | 429 | GFP_KERNEL); |
ca65b492 | 430 | if (!priv) |
ca919fe4 XL |
431 | return -ENOMEM; |
432 | ||
0dd4fc3c | 433 | /* Init snd_soc_card */ |
ca65b492 JFM |
434 | priv->snd_card.owner = THIS_MODULE; |
435 | priv->snd_card.dev = dev; | |
cf7dc23c | 436 | dai_link = priv->dai_link; |
ca65b492 | 437 | priv->snd_card.dai_link = dai_link; |
6a91a17b | 438 | priv->snd_card.num_links = num_links; |
201a0eac | 439 | |
0dd4fc3c | 440 | /* Get room for the other properties */ |
cf7dc23c | 441 | priv->dai_props = devm_kzalloc(dev, |
6a91a17b | 442 | sizeof(*priv->dai_props) * num_links, |
cf7dc23c JFM |
443 | GFP_KERNEL); |
444 | if (!priv->dai_props) | |
445 | return -ENOMEM; | |
446 | ||
fa558c28 | 447 | if (np && of_device_is_available(np)) { |
ca919fe4 | 448 | |
2080437d | 449 | ret = asoc_simple_card_parse_of(np, priv, dev); |
ca919fe4 XL |
450 | if (ret < 0) { |
451 | if (ret != -EPROBE_DEFER) | |
452 | dev_err(dev, "parse error %d\n", ret); | |
e512e001 | 453 | goto err; |
fa558c28 | 454 | } |
6a91a17b | 455 | |
fa558c28 | 456 | } else { |
ca65b492 JFM |
457 | struct asoc_simple_card_info *cinfo; |
458 | ||
459 | cinfo = dev->platform_data; | |
460 | if (!cinfo) { | |
34787d0a XL |
461 | dev_err(dev, "no info for asoc-simple-card\n"); |
462 | return -EINVAL; | |
463 | } | |
fa558c28 | 464 | |
781cbebe NC |
465 | if (!cinfo->name || |
466 | !cinfo->codec_dai.name || | |
467 | !cinfo->codec || | |
468 | !cinfo->platform || | |
7722f830 JFM |
469 | !cinfo->cpu_dai.name) { |
470 | dev_err(dev, "insufficient asoc_simple_card_info settings\n"); | |
471 | return -EINVAL; | |
472 | } | |
2bee9914 | 473 | |
12ffa6fc | 474 | priv->snd_card.name = (cinfo->card) ? cinfo->card : cinfo->name; |
5ca8ba41 JFM |
475 | dai_link->name = cinfo->name; |
476 | dai_link->stream_name = cinfo->name; | |
477 | dai_link->platform_name = cinfo->platform; | |
478 | dai_link->codec_name = cinfo->codec; | |
52008472 JFM |
479 | dai_link->cpu_dai_name = cinfo->cpu_dai.name; |
480 | dai_link->codec_dai_name = cinfo->codec_dai.name; | |
a5960bd5 | 481 | dai_link->init = asoc_simple_card_dai_init; |
cf7dc23c JFM |
482 | memcpy(&priv->dai_props->cpu_dai, &cinfo->cpu_dai, |
483 | sizeof(priv->dai_props->cpu_dai)); | |
484 | memcpy(&priv->dai_props->codec_dai, &cinfo->codec_dai, | |
485 | sizeof(priv->dai_props->codec_dai)); | |
81985bd6 | 486 | |
cf7dc23c JFM |
487 | priv->dai_props->cpu_dai.fmt |= cinfo->daifmt; |
488 | priv->dai_props->codec_dai.fmt |= cinfo->daifmt; | |
f2390880 KM |
489 | } |
490 | ||
ca65b492 | 491 | snd_soc_card_set_drvdata(&priv->snd_card, priv); |
f2390880 | 492 | |
e512e001 JFM |
493 | ret = devm_snd_soc_register_card(&pdev->dev, &priv->snd_card); |
494 | ||
495 | err: | |
496 | asoc_simple_card_unref(pdev); | |
497 | return ret; | |
f2390880 KM |
498 | } |
499 | ||
fa558c28 KM |
500 | static const struct of_device_id asoc_simple_of_match[] = { |
501 | { .compatible = "simple-audio-card", }, | |
502 | {}, | |
503 | }; | |
504 | MODULE_DEVICE_TABLE(of, asoc_simple_of_match); | |
505 | ||
f2390880 KM |
506 | static struct platform_driver asoc_simple_card = { |
507 | .driver = { | |
781cbebe | 508 | .name = "asoc-simple-card", |
c445be35 | 509 | .owner = THIS_MODULE, |
fa558c28 | 510 | .of_match_table = asoc_simple_of_match, |
f2390880 | 511 | }, |
781cbebe | 512 | .probe = asoc_simple_card_probe, |
f2390880 KM |
513 | }; |
514 | ||
515 | module_platform_driver(asoc_simple_card); | |
516 | ||
c445be35 | 517 | MODULE_ALIAS("platform:asoc-simple-card"); |
f2390880 KM |
518 | MODULE_LICENSE("GPL"); |
519 | MODULE_DESCRIPTION("ASoC Simple Sound Card"); | |
520 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); |