ASoC: rsnd: run rsnd_path_init() when probe() timing
[deliverable/linux.git] / sound / soc / sh / rcar / gen.c
CommitLineData
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1/*
2 * Renesas R-Car Gen1 SRU/SSI support
3 *
4 * Copyright (C) 2013 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 */
11#include "rsnd.h"
12
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13struct rsnd_gen {
14 void __iomem *base[RSND_BASE_MAX];
15
3337744a 16 struct rsnd_gen_ops *ops;
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17
18 struct regmap *regmap;
19 struct regmap_field *regs[RSND_REG_MAX];
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20};
21
22#define rsnd_priv_to_gen(p) ((struct rsnd_gen *)(p)->gen)
23
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24#define RSND_REG_SET(gen, id, reg_id, offset, _id_offset, _id_size) \
25 [id] = { \
26 .reg = (unsigned int)gen->base[reg_id] + offset, \
27 .lsb = 0, \
28 .msb = 31, \
29 .id_size = _id_size, \
30 .id_offset = _id_offset, \
31 }
32
33/*
34 * basic function
35 */
36static int rsnd_regmap_write32(void *context, const void *_data, size_t count)
37{
38 struct rsnd_priv *priv = context;
39 struct device *dev = rsnd_priv_to_dev(priv);
40 u32 *data = (u32 *)_data;
41 u32 val = data[1];
42 void __iomem *reg = (void *)data[0];
43
44 iowrite32(val, reg);
45
46 dev_dbg(dev, "w %p : %08x\n", reg, val);
47
48 return 0;
49}
50
51static int rsnd_regmap_read32(void *context,
52 const void *_data, size_t reg_size,
53 void *_val, size_t val_size)
54{
55 struct rsnd_priv *priv = context;
56 struct device *dev = rsnd_priv_to_dev(priv);
57 u32 *data = (u32 *)_data;
58 u32 *val = (u32 *)_val;
59 void __iomem *reg = (void *)data[0];
60
61 *val = ioread32(reg);
62
63 dev_dbg(dev, "r %p : %08x\n", reg, *val);
64
65 return 0;
66}
67
68static struct regmap_bus rsnd_regmap_bus = {
69 .write = rsnd_regmap_write32,
70 .read = rsnd_regmap_read32,
71 .reg_format_endian_default = REGMAP_ENDIAN_NATIVE,
72 .val_format_endian_default = REGMAP_ENDIAN_NATIVE,
73};
74
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75static int rsnd_is_accessible_reg(struct rsnd_priv *priv,
76 struct rsnd_gen *gen, enum rsnd_reg reg)
77{
78 if (!gen->regs[reg]) {
79 struct device *dev = rsnd_priv_to_dev(priv);
80
81 dev_err(dev, "unsupported register access %x\n", reg);
82 return 0;
83 }
84
85 return 1;
86}
87
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88u32 rsnd_read(struct rsnd_priv *priv,
89 struct rsnd_mod *mod, enum rsnd_reg reg)
90{
91 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
92 u32 val;
93
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94 if (!rsnd_is_accessible_reg(priv, gen, reg))
95 return 0;
96
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97 regmap_fields_read(gen->regs[reg], rsnd_mod_id(mod), &val);
98
99 return val;
100}
101
102void rsnd_write(struct rsnd_priv *priv,
103 struct rsnd_mod *mod,
104 enum rsnd_reg reg, u32 data)
105{
106 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
107
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108 if (!rsnd_is_accessible_reg(priv, gen, reg))
109 return;
110
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111 regmap_fields_write(gen->regs[reg], rsnd_mod_id(mod), data);
112}
113
114void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod,
115 enum rsnd_reg reg, u32 mask, u32 data)
116{
117 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
118
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119 if (!rsnd_is_accessible_reg(priv, gen, reg))
120 return;
121
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122 regmap_fields_update_bits(gen->regs[reg], rsnd_mod_id(mod),
123 mask, data);
124}
125
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126static int rsnd_gen_regmap_init(struct rsnd_priv *priv,
127 struct rsnd_gen *gen,
128 struct reg_field *regf)
129{
130 int i;
131 struct device *dev = rsnd_priv_to_dev(priv);
132 struct regmap_config regc;
133
134 memset(&regc, 0, sizeof(regc));
135 regc.reg_bits = 32;
136 regc.val_bits = 32;
137
138 gen->regmap = devm_regmap_init(dev, &rsnd_regmap_bus, priv, &regc);
139 if (IS_ERR(gen->regmap)) {
140 dev_err(dev, "regmap error %ld\n", PTR_ERR(gen->regmap));
141 return PTR_ERR(gen->regmap);
142 }
143
144 for (i = 0; i < RSND_REG_MAX; i++) {
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145 gen->regs[i] = NULL;
146 if (!regf[i].reg)
147 continue;
148
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149 gen->regs[i] = devm_regmap_field_alloc(dev, gen->regmap, regf[i]);
150 if (IS_ERR(gen->regs[i]))
151 return PTR_ERR(gen->regs[i]);
152
153 }
154
155 return 0;
156}
3337744a 157
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158/*
159 * Gen2
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160 */
161
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162/* single address mapping */
163#define RSND_GEN2_S_REG(gen, reg, id, offset) \
1a1c75a7 164 RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN2_##reg, offset, 0, 10)
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165
166/* multi address mapping */
167#define RSND_GEN2_M_REG(gen, reg, id, offset, _id_offset) \
1a1c75a7 168 RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN2_##reg, offset, _id_offset, 10)
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169
170static int rsnd_gen2_regmap_init(struct rsnd_priv *priv, struct rsnd_gen *gen)
171{
172 struct reg_field regf[RSND_REG_MAX] = {
173 RSND_GEN2_S_REG(gen, SSIU, SSI_MODE0, 0x800),
174 RSND_GEN2_S_REG(gen, SSIU, SSI_MODE1, 0x804),
175 /* FIXME: it needs SSI_MODE2/3 in the future */
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176 RSND_GEN2_S_REG(gen, SSIU, SSI_CONTROL, 0x810),
177 RSND_GEN2_M_REG(gen, SSIU, SSI_BUSIF_MODE, 0x0, 0x80),
178 RSND_GEN2_M_REG(gen, SSIU, SSI_BUSIF_ADINR,0x4, 0x80),
179 RSND_GEN2_M_REG(gen, SSIU, SSI_CTRL, 0x10, 0x80),
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180 RSND_GEN2_M_REG(gen, SSIU, INT_ENABLE, 0x18, 0x80),
181
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182 RSND_GEN2_M_REG(gen, SCU, SRC_BUSIF_MODE, 0x0, 0x20),
183 RSND_GEN2_M_REG(gen, SCU, SRC_ROUTE_MODE0,0xc, 0x20),
184 RSND_GEN2_M_REG(gen, SCU, SRC_CTRL, 0x10, 0x20),
185 RSND_GEN2_M_REG(gen, SCU, SRC_SWRSR, 0x200, 0x40),
186 RSND_GEN2_M_REG(gen, SCU, SRC_SRCIR, 0x204, 0x40),
187 RSND_GEN2_M_REG(gen, SCU, SRC_ADINR, 0x214, 0x40),
188 RSND_GEN2_M_REG(gen, SCU, SRC_IFSCR, 0x21c, 0x40),
189 RSND_GEN2_M_REG(gen, SCU, SRC_IFSVR, 0x220, 0x40),
190 RSND_GEN2_M_REG(gen, SCU, SRC_SRCCR, 0x224, 0x40),
191 RSND_GEN2_M_REG(gen, SCU, SRC_BSDSR, 0x22c, 0x40),
192 RSND_GEN2_M_REG(gen, SCU, SRC_BSISR, 0x238, 0x40),
193
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194 RSND_GEN2_S_REG(gen, ADG, BRRA, 0x00),
195 RSND_GEN2_S_REG(gen, ADG, BRRB, 0x04),
196 RSND_GEN2_S_REG(gen, ADG, SSICKR, 0x08),
197 RSND_GEN2_S_REG(gen, ADG, AUDIO_CLK_SEL0, 0x0c),
198 RSND_GEN2_S_REG(gen, ADG, AUDIO_CLK_SEL1, 0x10),
199 RSND_GEN2_S_REG(gen, ADG, AUDIO_CLK_SEL2, 0x14),
ee2c828d 200 RSND_GEN2_S_REG(gen, ADG, DIV_EN, 0x30),
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201 RSND_GEN2_S_REG(gen, ADG, SRCIN_TIMSEL0, 0x34),
202 RSND_GEN2_S_REG(gen, ADG, SRCIN_TIMSEL1, 0x38),
203 RSND_GEN2_S_REG(gen, ADG, SRCIN_TIMSEL2, 0x3c),
204 RSND_GEN2_S_REG(gen, ADG, SRCIN_TIMSEL3, 0x40),
205 RSND_GEN2_S_REG(gen, ADG, SRCIN_TIMSEL4, 0x44),
206 RSND_GEN2_S_REG(gen, ADG, SRCOUT_TIMSEL0, 0x48),
207 RSND_GEN2_S_REG(gen, ADG, SRCOUT_TIMSEL1, 0x4c),
208 RSND_GEN2_S_REG(gen, ADG, SRCOUT_TIMSEL2, 0x50),
209 RSND_GEN2_S_REG(gen, ADG, SRCOUT_TIMSEL3, 0x54),
210 RSND_GEN2_S_REG(gen, ADG, SRCOUT_TIMSEL4, 0x58),
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211
212 RSND_GEN2_M_REG(gen, SSI, SSICR, 0x00, 0x40),
213 RSND_GEN2_M_REG(gen, SSI, SSISR, 0x04, 0x40),
214 RSND_GEN2_M_REG(gen, SSI, SSITDR, 0x08, 0x40),
215 RSND_GEN2_M_REG(gen, SSI, SSIRDR, 0x0c, 0x40),
216 RSND_GEN2_M_REG(gen, SSI, SSIWSR, 0x20, 0x40),
217 };
218
219 return rsnd_gen_regmap_init(priv, gen, regf);
220}
221
222static int rsnd_gen2_probe(struct platform_device *pdev,
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223 struct rsnd_priv *priv)
224{
225 struct device *dev = rsnd_priv_to_dev(priv);
226 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
227 struct resource *scu_res;
228 struct resource *adg_res;
229 struct resource *ssiu_res;
230 struct resource *ssi_res;
231 int ret;
232
233 /*
234 * map address
235 */
236 scu_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN2_SCU);
237 adg_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN2_ADG);
238 ssiu_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN2_SSIU);
239 ssi_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN2_SSI);
240
241 gen->base[RSND_GEN2_SCU] = devm_ioremap_resource(dev, scu_res);
242 gen->base[RSND_GEN2_ADG] = devm_ioremap_resource(dev, adg_res);
243 gen->base[RSND_GEN2_SSIU] = devm_ioremap_resource(dev, ssiu_res);
244 gen->base[RSND_GEN2_SSI] = devm_ioremap_resource(dev, ssi_res);
245 if (IS_ERR(gen->base[RSND_GEN2_SCU]) ||
246 IS_ERR(gen->base[RSND_GEN2_ADG]) ||
247 IS_ERR(gen->base[RSND_GEN2_SSIU]) ||
248 IS_ERR(gen->base[RSND_GEN2_SSI]))
249 return -ENODEV;
250
251 ret = rsnd_gen2_regmap_init(priv, gen);
252 if (ret < 0)
253 return ret;
254
255 dev_dbg(dev, "Gen2 device probed\n");
64de62b3 256 dev_dbg(dev, "SCU : %08x => %p\n", scu_res->start,
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257 gen->base[RSND_GEN2_SCU]);
258 dev_dbg(dev, "ADG : %08x => %p\n", adg_res->start,
259 gen->base[RSND_GEN2_ADG]);
260 dev_dbg(dev, "SSIU : %08x => %p\n", ssiu_res->start,
261 gen->base[RSND_GEN2_SSIU]);
262 dev_dbg(dev, "SSI : %08x => %p\n", ssi_res->start,
263 gen->base[RSND_GEN2_SSI]);
264
265 return 0;
266}
267
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268/*
269 * Gen1
270 */
271
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272/* single address mapping */
273#define RSND_GEN1_S_REG(gen, reg, id, offset) \
274 RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN1_##reg, offset, 0, 9)
07539c1d 275
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276/* multi address mapping */
277#define RSND_GEN1_M_REG(gen, reg, id, offset, _id_offset) \
278 RSND_REG_SET(gen, RSND_REG_##id, RSND_GEN1_##reg, offset, _id_offset, 9)
279
280static int rsnd_gen1_regmap_init(struct rsnd_priv *priv, struct rsnd_gen *gen)
07539c1d 281{
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282 struct reg_field regf[RSND_REG_MAX] = {
283 RSND_GEN1_S_REG(gen, SRU, SRC_ROUTE_SEL, 0x00),
284 RSND_GEN1_S_REG(gen, SRU, SRC_TMG_SEL0, 0x08),
285 RSND_GEN1_S_REG(gen, SRU, SRC_TMG_SEL1, 0x0c),
286 RSND_GEN1_S_REG(gen, SRU, SRC_TMG_SEL2, 0x10),
690ef81e 287 RSND_GEN1_S_REG(gen, SRU, SRC_ROUTE_CTRL, 0xc0),
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288 RSND_GEN1_S_REG(gen, SRU, SSI_MODE0, 0xD0),
289 RSND_GEN1_S_REG(gen, SRU, SSI_MODE1, 0xD4),
0290d2a4 290 RSND_GEN1_M_REG(gen, SRU, SRC_BUSIF_MODE, 0x20, 0x4),
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291 RSND_GEN1_M_REG(gen, SRU, SRC_ROUTE_MODE0,0x50, 0x8),
292 RSND_GEN1_M_REG(gen, SRU, SRC_SWRSR, 0x200, 0x40),
293 RSND_GEN1_M_REG(gen, SRU, SRC_SRCIR, 0x204, 0x40),
690ef81e 294 RSND_GEN1_M_REG(gen, SRU, SRC_ADINR, 0x214, 0x40),
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295 RSND_GEN1_M_REG(gen, SRU, SRC_IFSCR, 0x21c, 0x40),
296 RSND_GEN1_M_REG(gen, SRU, SRC_IFSVR, 0x220, 0x40),
297 RSND_GEN1_M_REG(gen, SRU, SRC_SRCCR, 0x224, 0x40),
298 RSND_GEN1_M_REG(gen, SRU, SRC_MNFSR, 0x228, 0x40),
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299
300 RSND_GEN1_S_REG(gen, ADG, BRRA, 0x00),
301 RSND_GEN1_S_REG(gen, ADG, BRRB, 0x04),
302 RSND_GEN1_S_REG(gen, ADG, SSICKR, 0x08),
303 RSND_GEN1_S_REG(gen, ADG, AUDIO_CLK_SEL0, 0x0c),
304 RSND_GEN1_S_REG(gen, ADG, AUDIO_CLK_SEL1, 0x10),
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305 RSND_GEN1_S_REG(gen, ADG, AUDIO_CLK_SEL3, 0x18),
306 RSND_GEN1_S_REG(gen, ADG, AUDIO_CLK_SEL4, 0x1c),
307 RSND_GEN1_S_REG(gen, ADG, AUDIO_CLK_SEL5, 0x20),
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308
309 RSND_GEN1_M_REG(gen, SSI, SSICR, 0x00, 0x40),
310 RSND_GEN1_M_REG(gen, SSI, SSISR, 0x04, 0x40),
311 RSND_GEN1_M_REG(gen, SSI, SSITDR, 0x08, 0x40),
312 RSND_GEN1_M_REG(gen, SSI, SSIRDR, 0x0c, 0x40),
313 RSND_GEN1_M_REG(gen, SSI, SSIWSR, 0x20, 0x40),
314 };
315
c1e6cc5e 316 return rsnd_gen_regmap_init(priv, gen, regf);
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317}
318
3337744a 319static int rsnd_gen1_probe(struct platform_device *pdev,
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320 struct rsnd_priv *priv)
321{
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322 struct device *dev = rsnd_priv_to_dev(priv);
323 struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
324 struct resource *sru_res;
dfc9403b 325 struct resource *adg_res;
ae5c3223 326 struct resource *ssi_res;
55e5b6fd 327 int ret;
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328
329 /*
330 * map address
331 */
332 sru_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_SRU);
dfc9403b 333 adg_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_ADG);
ae5c3223 334 ssi_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_SSI);
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335
336 gen->base[RSND_GEN1_SRU] = devm_ioremap_resource(dev, sru_res);
dfc9403b 337 gen->base[RSND_GEN1_ADG] = devm_ioremap_resource(dev, adg_res);
ae5c3223 338 gen->base[RSND_GEN1_SSI] = devm_ioremap_resource(dev, ssi_res);
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339 if (IS_ERR(gen->base[RSND_GEN1_SRU]) ||
340 IS_ERR(gen->base[RSND_GEN1_ADG]) ||
341 IS_ERR(gen->base[RSND_GEN1_SSI]))
07539c1d 342 return -ENODEV;
07539c1d 343
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344 ret = rsnd_gen1_regmap_init(priv, gen);
345 if (ret < 0)
346 return ret;
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347
348 dev_dbg(dev, "Gen1 device probed\n");
349 dev_dbg(dev, "SRU : %08x => %p\n", sru_res->start,
350 gen->base[RSND_GEN1_SRU]);
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351 dev_dbg(dev, "ADG : %08x => %p\n", adg_res->start,
352 gen->base[RSND_GEN1_ADG]);
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353 dev_dbg(dev, "SSI : %08x => %p\n", ssi_res->start,
354 gen->base[RSND_GEN1_SSI]);
07539c1d 355
3337744a 356 return 0;
ae5c3223 357
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358}
359
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360/*
361 * Gen
362 */
3337744a 363int rsnd_gen_probe(struct platform_device *pdev,
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364 struct rsnd_priv *priv)
365{
366 struct device *dev = rsnd_priv_to_dev(priv);
367 struct rsnd_gen *gen;
531eaf49 368 int ret;
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369
370 gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL);
371 if (!gen) {
372 dev_err(dev, "GEN allocate failed\n");
373 return -ENOMEM;
374 }
375
531eaf49 376 priv->gen = gen;
072188b6 377
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378 ret = -ENODEV;
379 if (rsnd_is_gen1(priv))
5da39cf3 380 ret = rsnd_gen1_probe(pdev, priv);
507d466c 381 else if (rsnd_is_gen2(priv))
5da39cf3 382 ret = rsnd_gen2_probe(pdev, priv);
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383
384 if (ret < 0)
072188b6 385 dev_err(dev, "unknown generation R-Car sound device\n");
072188b6 386
531eaf49 387 return ret;
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388}
389
390void rsnd_gen_remove(struct platform_device *pdev,
391 struct rsnd_priv *priv)
392{
3337744a 393}
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