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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / sound / soc / intel / boards / bytcr_rt5651.c
blob5074bb53f98e83d6bfede36fdb3350c0b37c2180
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * bytcr_rt5651.c - ASoc Machine driver for Intel Byt CR platform
4 * (derived from bytcr_rt5640.c)
5 *
6 * Copyright (C) 2015 Intel Corp
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8 *
9 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
10 */
11
12 #include <linux/init.h>
13 #include <linux/i2c.h>
14 #include <linux/module.h>
15 #include <linux/platform_device.h>
16 #include <linux/property.h>
17 #include <linux/acpi.h>
18 #include <linux/clk.h>
19 #include <linux/device.h>
20 #include <linux/dmi.h>
21 #include <linux/input.h>
22 #include <linux/gpio/consumer.h>
23 #include <linux/gpio/machine.h>
24 #include <linux/slab.h>
25 #include <sound/pcm.h>
26 #include <sound/pcm_params.h>
27 #include <sound/soc.h>
28 #include <sound/jack.h>
29 #include <sound/soc-acpi.h>
30 #include "../../codecs/rt5651.h"
31 #include "../atom/sst-atom-controls.h"
32 #include "../common/soc-intel-quirks.h"
33
34 enum {
35 BYT_RT5651_DMIC_MAP,
36 BYT_RT5651_IN1_MAP,
37 BYT_RT5651_IN2_MAP,
38 BYT_RT5651_IN1_IN2_MAP,
39 };
40
41 enum {
42 BYT_RT5651_JD_NULL = (RT5651_JD_NULL << 4),
43 BYT_RT5651_JD1_1 = (RT5651_JD1_1 << 4),
44 BYT_RT5651_JD1_2 = (RT5651_JD1_2 << 4),
45 BYT_RT5651_JD2 = (RT5651_JD2 << 4),
46 };
47
48 enum {
49 BYT_RT5651_OVCD_TH_600UA = (6 << 8),
50 BYT_RT5651_OVCD_TH_1500UA = (15 << 8),
51 BYT_RT5651_OVCD_TH_2000UA = (20 << 8),
52 };
53
54 enum {
55 BYT_RT5651_OVCD_SF_0P5 = (RT5651_OVCD_SF_0P5 << 13),
56 BYT_RT5651_OVCD_SF_0P75 = (RT5651_OVCD_SF_0P75 << 13),
57 BYT_RT5651_OVCD_SF_1P0 = (RT5651_OVCD_SF_1P0 << 13),
58 BYT_RT5651_OVCD_SF_1P5 = (RT5651_OVCD_SF_1P5 << 13),
59 };
60
61 #define BYT_RT5651_MAP(quirk) ((quirk) & GENMASK(3, 0))
62 #define BYT_RT5651_JDSRC(quirk) (((quirk) & GENMASK(7, 4)) >> 4)
63 #define BYT_RT5651_OVCD_TH(quirk) (((quirk) & GENMASK(12, 8)) >> 8)
64 #define BYT_RT5651_OVCD_SF(quirk) (((quirk) & GENMASK(14, 13)) >> 13)
65 #define BYT_RT5651_DMIC_EN BIT(16)
66 #define BYT_RT5651_MCLK_EN BIT(17)
67 #define BYT_RT5651_MCLK_25MHZ BIT(18)
68 #define BYT_RT5651_SSP2_AIF2 BIT(19) /* default is using AIF1 */
69 #define BYT_RT5651_SSP0_AIF1 BIT(20)
70 #define BYT_RT5651_SSP0_AIF2 BIT(21)
71 #define BYT_RT5651_HP_LR_SWAPPED BIT(22)
72 #define BYT_RT5651_MONO_SPEAKER BIT(23)
73 #define BYT_RT5651_JD_NOT_INV BIT(24)
74
75 #define BYT_RT5651_DEFAULT_QUIRKS (BYT_RT5651_MCLK_EN | \
76 BYT_RT5651_JD1_1 | \
77 BYT_RT5651_OVCD_TH_2000UA | \
78 BYT_RT5651_OVCD_SF_0P75)
79
80 /* jack-detect-source + inv + dmic-en + ovcd-th + -sf + terminating entry */
81 #define MAX_NO_PROPS 6
82
83 struct byt_rt5651_private {
84 struct clk *mclk;
85 struct gpio_desc *ext_amp_gpio;
86 struct gpio_desc *hp_detect;
87 struct snd_soc_jack jack;
88 };
89
90 static const struct acpi_gpio_mapping *byt_rt5651_gpios;
91
92 /* Default: jack-detect on JD1_1, internal mic on in2, headsetmic on in3 */
93 static unsigned long byt_rt5651_quirk = BYT_RT5651_DEFAULT_QUIRKS |
94 BYT_RT5651_IN2_MAP;
95
96 static int quirk_override = -1;
97 module_param_named(quirk, quirk_override, int, 0444);
98 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
99
100 static void log_quirks(struct device *dev)
101 {
102 if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_DMIC_MAP)
103 dev_info(dev, "quirk DMIC_MAP enabled");
104 if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_MAP)
105 dev_info(dev, "quirk IN1_MAP enabled");
106 if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN2_MAP)
107 dev_info(dev, "quirk IN2_MAP enabled");
108 if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_IN2_MAP)
109 dev_info(dev, "quirk IN1_IN2_MAP enabled");
110 if (BYT_RT5651_JDSRC(byt_rt5651_quirk)) {
111 dev_info(dev, "quirk realtek,jack-detect-source %ld\n",
112 BYT_RT5651_JDSRC(byt_rt5651_quirk));
113 dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n",
114 BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100);
115 dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n",
116 BYT_RT5651_OVCD_SF(byt_rt5651_quirk));
117 }
118 if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN)
119 dev_info(dev, "quirk DMIC enabled");
120 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
121 dev_info(dev, "quirk MCLK_EN enabled");
122 if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
123 dev_info(dev, "quirk MCLK_25MHZ enabled");
124 if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2)
125 dev_info(dev, "quirk SSP2_AIF2 enabled\n");
126 if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1)
127 dev_info(dev, "quirk SSP0_AIF1 enabled\n");
128 if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)
129 dev_info(dev, "quirk SSP0_AIF2 enabled\n");
130 if (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER)
131 dev_info(dev, "quirk MONO_SPEAKER enabled\n");
132 if (byt_rt5651_quirk & BYT_RT5651_JD_NOT_INV)
133 dev_info(dev, "quirk JD_NOT_INV enabled\n");
134 }
135
136 #define BYT_CODEC_DAI1 "rt5651-aif1"
137 #define BYT_CODEC_DAI2 "rt5651-aif2"
138
139 static int byt_rt5651_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai,
140 int rate, int bclk_ratio)
141 {
142 int clk_id, clk_freq, ret;
143
144 /* Configure the PLL before selecting it */
145 if (!(byt_rt5651_quirk & BYT_RT5651_MCLK_EN)) {
146 clk_id = RT5651_PLL1_S_BCLK1,
147 clk_freq = rate * bclk_ratio;
148 } else {
149 clk_id = RT5651_PLL1_S_MCLK;
150 if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
151 clk_freq = 25000000;
152 else
153 clk_freq = 19200000;
154 }
155 ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, rate * 512);
156 if (ret < 0) {
157 dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret);
158 return ret;
159 }
160
161 ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_PLL1,
162 rate * 512, SND_SOC_CLOCK_IN);
163 if (ret < 0) {
164 dev_err(codec_dai->component->dev, "can't set clock %d\n", ret);
165 return ret;
166 }
167
168 return 0;
169 }
170
171 static int platform_clock_control(struct snd_soc_dapm_widget *w,
172 struct snd_kcontrol *k, int event)
173 {
174 struct snd_soc_dapm_context *dapm = w->dapm;
175 struct snd_soc_card *card = dapm->card;
176 struct snd_soc_dai *codec_dai;
177 struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
178 int ret;
179
180 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1);
181 if (!codec_dai)
182 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI2);
183 if (!codec_dai) {
184 dev_err(card->dev,
185 "Codec dai not found; Unable to set platform clock\n");
186 return -EIO;
187 }
188
189 if (SND_SOC_DAPM_EVENT_ON(event)) {
190 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
191 ret = clk_prepare_enable(priv->mclk);
192 if (ret < 0) {
193 dev_err(card->dev,
194 "could not configure MCLK state");
195 return ret;
196 }
197 }
198 ret = byt_rt5651_prepare_and_enable_pll1(codec_dai, 48000, 50);
199 } else {
200 /*
201 * Set codec clock source to internal clock before
202 * turning off the platform clock. Codec needs clock
203 * for Jack detection and button press
204 */
205 ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_RCCLK,
206 48000 * 512,
207 SND_SOC_CLOCK_IN);
208 if (!ret)
209 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
210 clk_disable_unprepare(priv->mclk);
211 }
212
213 if (ret < 0) {
214 dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
215 return ret;
216 }
217
218 return 0;
219 }
220
221 static int rt5651_ext_amp_power_event(struct snd_soc_dapm_widget *w,
222 struct snd_kcontrol *kcontrol, int event)
223 {
224 struct snd_soc_card *card = w->dapm->card;
225 struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
226
227 if (SND_SOC_DAPM_EVENT_ON(event))
228 gpiod_set_value_cansleep(priv->ext_amp_gpio, 1);
229 else
230 gpiod_set_value_cansleep(priv->ext_amp_gpio, 0);
231
232 return 0;
233 }
234
235 static const struct snd_soc_dapm_widget byt_rt5651_widgets[] = {
236 SND_SOC_DAPM_HP("Headphone", NULL),
237 SND_SOC_DAPM_MIC("Headset Mic", NULL),
238 SND_SOC_DAPM_MIC("Internal Mic", NULL),
239 SND_SOC_DAPM_SPK("Speaker", NULL),
240 SND_SOC_DAPM_LINE("Line In", NULL),
241 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
242 platform_clock_control, SND_SOC_DAPM_PRE_PMU |
243 SND_SOC_DAPM_POST_PMD),
244 SND_SOC_DAPM_SUPPLY("Ext Amp Power", SND_SOC_NOPM, 0, 0,
245 rt5651_ext_amp_power_event,
246 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
247 };
248
249 static const struct snd_soc_dapm_route byt_rt5651_audio_map[] = {
250 {"Headphone", NULL, "Platform Clock"},
251 {"Headset Mic", NULL, "Platform Clock"},
252 {"Internal Mic", NULL, "Platform Clock"},
253 {"Speaker", NULL, "Platform Clock"},
254 {"Speaker", NULL, "Ext Amp Power"},
255 {"Line In", NULL, "Platform Clock"},
256
257 {"Headset Mic", NULL, "micbias1"}, /* lowercase for rt5651 */
258 {"Headphone", NULL, "HPOL"},
259 {"Headphone", NULL, "HPOR"},
260 {"Speaker", NULL, "LOUTL"},
261 {"Speaker", NULL, "LOUTR"},
262 {"IN2P", NULL, "Line In"},
263 {"IN2N", NULL, "Line In"},
264
265 };
266
267 static const struct snd_soc_dapm_route byt_rt5651_intmic_dmic_map[] = {
268 {"DMIC L1", NULL, "Internal Mic"},
269 {"DMIC R1", NULL, "Internal Mic"},
270 {"IN2P", NULL, "Headset Mic"},
271 };
272
273 static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_map[] = {
274 {"Internal Mic", NULL, "micbias1"},
275 {"IN1P", NULL, "Internal Mic"},
276 {"IN3P", NULL, "Headset Mic"},
277 };
278
279 static const struct snd_soc_dapm_route byt_rt5651_intmic_in2_map[] = {
280 {"Internal Mic", NULL, "micbias1"},
281 {"IN2P", NULL, "Internal Mic"},
282 {"IN3P", NULL, "Headset Mic"},
283 };
284
285 static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_in2_map[] = {
286 {"Internal Mic", NULL, "micbias1"},
287 {"IN1P", NULL, "Internal Mic"},
288 {"IN2P", NULL, "Internal Mic"},
289 {"IN3P", NULL, "Headset Mic"},
290 };
291
292 static const struct snd_soc_dapm_route byt_rt5651_ssp0_aif1_map[] = {
293 {"ssp0 Tx", NULL, "modem_out"},
294 {"modem_in", NULL, "ssp0 Rx"},
295
296 {"AIF1 Playback", NULL, "ssp0 Tx"},
297 {"ssp0 Rx", NULL, "AIF1 Capture"},
298 };
299
300 static const struct snd_soc_dapm_route byt_rt5651_ssp0_aif2_map[] = {
301 {"ssp0 Tx", NULL, "modem_out"},
302 {"modem_in", NULL, "ssp0 Rx"},
303
304 {"AIF2 Playback", NULL, "ssp0 Tx"},
305 {"ssp0 Rx", NULL, "AIF2 Capture"},
306 };
307
308 static const struct snd_soc_dapm_route byt_rt5651_ssp2_aif1_map[] = {
309 {"ssp2 Tx", NULL, "codec_out0"},
310 {"ssp2 Tx", NULL, "codec_out1"},
311 {"codec_in0", NULL, "ssp2 Rx"},
312 {"codec_in1", NULL, "ssp2 Rx"},
313
314 {"AIF1 Playback", NULL, "ssp2 Tx"},
315 {"ssp2 Rx", NULL, "AIF1 Capture"},
316 };
317
318 static const struct snd_soc_dapm_route byt_rt5651_ssp2_aif2_map[] = {
319 {"ssp2 Tx", NULL, "codec_out0"},
320 {"ssp2 Tx", NULL, "codec_out1"},
321 {"codec_in0", NULL, "ssp2 Rx"},
322 {"codec_in1", NULL, "ssp2 Rx"},
323
324 {"AIF2 Playback", NULL, "ssp2 Tx"},
325 {"ssp2 Rx", NULL, "AIF2 Capture"},
326 };
327
328 static const struct snd_kcontrol_new byt_rt5651_controls[] = {
329 SOC_DAPM_PIN_SWITCH("Headphone"),
330 SOC_DAPM_PIN_SWITCH("Headset Mic"),
331 SOC_DAPM_PIN_SWITCH("Internal Mic"),
332 SOC_DAPM_PIN_SWITCH("Speaker"),
333 SOC_DAPM_PIN_SWITCH("Line In"),
334 };
335
336 static struct snd_soc_jack_pin bytcr_jack_pins[] = {
337 {
338 .pin = "Headphone",
339 .mask = SND_JACK_HEADPHONE,
340 },
341 {
342 .pin = "Headset Mic",
343 .mask = SND_JACK_MICROPHONE,
344 },
345 };
346
347 static int byt_rt5651_aif1_hw_params(struct snd_pcm_substream *substream,
348 struct snd_pcm_hw_params *params)
349 {
350 struct snd_soc_pcm_runtime *rtd = substream->private_data;
351 struct snd_soc_dai *codec_dai = rtd->codec_dai;
352 snd_pcm_format_t format = params_format(params);
353 int rate = params_rate(params);
354 int bclk_ratio;
355
356 if (format == SNDRV_PCM_FORMAT_S16_LE)
357 bclk_ratio = 32;
358 else
359 bclk_ratio = 50;
360
361 return byt_rt5651_prepare_and_enable_pll1(codec_dai, rate, bclk_ratio);
362 }
363
364 static const struct acpi_gpio_params pov_p1006w_hp_detect = { 1, 0, false };
365 static const struct acpi_gpio_params pov_p1006w_ext_amp_en = { 2, 0, true };
366
367 static const struct acpi_gpio_mapping byt_rt5651_pov_p1006w_gpios[] = {
368 { "hp-detect-gpios", &pov_p1006w_hp_detect, 1, },
369 { "ext-amp-enable-gpios", &pov_p1006w_ext_amp_en, 1, },
370 { },
371 };
372
373 static int byt_rt5651_pov_p1006w_quirk_cb(const struct dmi_system_id *id)
374 {
375 byt_rt5651_quirk = (unsigned long)id->driver_data;
376 byt_rt5651_gpios = byt_rt5651_pov_p1006w_gpios;
377 return 1;
378 }
379
380 static int byt_rt5651_quirk_cb(const struct dmi_system_id *id)
381 {
382 byt_rt5651_quirk = (unsigned long)id->driver_data;
383 return 1;
384 }
385
386 static const struct dmi_system_id byt_rt5651_quirk_table[] = {
387 {
388 /* Chuwi Hi8 Pro (CWI513) */
389 .callback = byt_rt5651_quirk_cb,
390 .matches = {
391 DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
392 DMI_MATCH(DMI_PRODUCT_NAME, "X1D3_C806N"),
393 },
394 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
395 BYT_RT5651_IN2_MAP |
396 BYT_RT5651_HP_LR_SWAPPED |
397 BYT_RT5651_MONO_SPEAKER),
398 },
399 {
400 /* Chuwi Vi8 Plus (CWI519) */
401 .callback = byt_rt5651_quirk_cb,
402 .matches = {
403 DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
404 DMI_MATCH(DMI_PRODUCT_NAME, "D2D3_Vi8A1"),
405 },
406 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
407 BYT_RT5651_IN2_MAP |
408 BYT_RT5651_HP_LR_SWAPPED |
409 BYT_RT5651_MONO_SPEAKER),
410 },
411 {
412 /* Complet Electro Serv MY8307 */
413 .callback = byt_rt5651_quirk_cb,
414 .matches = {
415 DMI_MATCH(DMI_SYS_VENDOR, "Complet Electro Serv"),
416 DMI_MATCH(DMI_PRODUCT_NAME, "MY8307"),
417 },
418 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
419 BYT_RT5651_IN2_MAP |
420 BYT_RT5651_MONO_SPEAKER |
421 BYT_RT5651_JD_NOT_INV),
422 },
423 {
424 /* I.T.Works TW701, Ployer Momo7w and Trekstor ST70416-6
425 * (these all use the same mainboard) */
426 .callback = byt_rt5651_quirk_cb,
427 .matches = {
428 DMI_MATCH(DMI_BIOS_VENDOR, "INSYDE Corp."),
429 /* Partial match for all of itWORKS.G.WI71C.JGBMRBA,
430 * TREK.G.WI71C.JGBMRBA0x and MOMO.G.WI71C.MABMRBA02 */
431 DMI_MATCH(DMI_BIOS_VERSION, ".G.WI71C."),
432 },
433 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
434 BYT_RT5651_IN2_MAP |
435 BYT_RT5651_SSP0_AIF1 |
436 BYT_RT5651_MONO_SPEAKER),
437 },
438 {
439 /* KIANO SlimNote 14.2 */
440 .callback = byt_rt5651_quirk_cb,
441 .matches = {
442 DMI_MATCH(DMI_SYS_VENDOR, "KIANO"),
443 DMI_MATCH(DMI_PRODUCT_NAME, "KIANO SlimNote 14.2"),
444 },
445 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
446 BYT_RT5651_IN1_IN2_MAP),
447 },
448 {
449 /* Minnowboard Max B3 */
450 .callback = byt_rt5651_quirk_cb,
451 .matches = {
452 DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"),
453 DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"),
454 },
455 .driver_data = (void *)(BYT_RT5651_IN1_MAP),
456 },
457 {
458 /* Minnowboard Turbot */
459 .callback = byt_rt5651_quirk_cb,
460 .matches = {
461 DMI_MATCH(DMI_SYS_VENDOR, "ADI"),
462 DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Turbot"),
463 },
464 .driver_data = (void *)(BYT_RT5651_MCLK_EN |
465 BYT_RT5651_IN1_MAP),
466 },
467 {
468 /* Point of View mobii wintab p1006w (v1.0) */
469 .callback = byt_rt5651_pov_p1006w_quirk_cb,
470 .matches = {
471 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),
472 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"),
473 /* Note 105b is Foxcon's USB/PCI vendor id */
474 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"),
475 DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"),
476 },
477 .driver_data = (void *)(BYT_RT5651_DMIC_MAP |
478 BYT_RT5651_OVCD_TH_2000UA |
479 BYT_RT5651_OVCD_SF_0P75 |
480 BYT_RT5651_DMIC_EN |
481 BYT_RT5651_MCLK_EN |
482 BYT_RT5651_SSP0_AIF1),
483 },
484 {
485 /* VIOS LTH17 */
486 .callback = byt_rt5651_quirk_cb,
487 .matches = {
488 DMI_MATCH(DMI_SYS_VENDOR, "VIOS"),
489 DMI_MATCH(DMI_PRODUCT_NAME, "LTH17"),
490 },
491 .driver_data = (void *)(BYT_RT5651_IN1_IN2_MAP |
492 BYT_RT5651_JD1_1 |
493 BYT_RT5651_OVCD_TH_2000UA |
494 BYT_RT5651_OVCD_SF_1P0 |
495 BYT_RT5651_MCLK_EN),
496 },
497 {
498 /* Yours Y8W81 (and others using the same mainboard) */
499 .callback = byt_rt5651_quirk_cb,
500 .matches = {
501 DMI_MATCH(DMI_BIOS_VENDOR, "INSYDE Corp."),
502 /* Partial match for all devs with a W86C mainboard */
503 DMI_MATCH(DMI_BIOS_VERSION, ".F.W86C."),
504 },
505 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
506 BYT_RT5651_IN2_MAP |
507 BYT_RT5651_SSP0_AIF1 |
508 BYT_RT5651_MONO_SPEAKER),
509 },
510 {}
511 };
512
513 /*
514 * Note this MUST be called before snd_soc_register_card(), so that the props
515 * are in place before the codec component driver's probe function parses them.
516 */
517 static int byt_rt5651_add_codec_device_props(struct device *i2c_dev)
518 {
519 struct property_entry props[MAX_NO_PROPS] = {};
520 int cnt = 0;
521
522 props[cnt++] = PROPERTY_ENTRY_U32("realtek,jack-detect-source",
523 BYT_RT5651_JDSRC(byt_rt5651_quirk));
524
525 props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-threshold-microamp",
526 BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100);
527
528 props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-scale-factor",
529 BYT_RT5651_OVCD_SF(byt_rt5651_quirk));
530
531 if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN)
532 props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,dmic-en");
533
534 if (byt_rt5651_quirk & BYT_RT5651_JD_NOT_INV)
535 props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,jack-detect-not-inverted");
536
537 return device_add_properties(i2c_dev, props);
538 }
539
540 static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime)
541 {
542 struct snd_soc_card *card = runtime->card;
543 struct snd_soc_component *codec = runtime->codec_dai->component;
544 struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
545 const struct snd_soc_dapm_route *custom_map;
546 int num_routes;
547 int report;
548 int ret;
549
550 card->dapm.idle_bias_off = true;
551
552 /* Start with RC clk for jack-detect (we disable MCLK below) */
553 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
554 snd_soc_component_update_bits(codec, RT5651_GLB_CLK,
555 RT5651_SCLK_SRC_MASK, RT5651_SCLK_SRC_RCCLK);
556
557 switch (BYT_RT5651_MAP(byt_rt5651_quirk)) {
558 case BYT_RT5651_IN1_MAP:
559 custom_map = byt_rt5651_intmic_in1_map;
560 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_map);
561 break;
562 case BYT_RT5651_IN2_MAP:
563 custom_map = byt_rt5651_intmic_in2_map;
564 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in2_map);
565 break;
566 case BYT_RT5651_IN1_IN2_MAP:
567 custom_map = byt_rt5651_intmic_in1_in2_map;
568 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_in2_map);
569 break;
570 default:
571 custom_map = byt_rt5651_intmic_dmic_map;
572 num_routes = ARRAY_SIZE(byt_rt5651_intmic_dmic_map);
573 }
574 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
575 if (ret)
576 return ret;
577
578 if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) {
579 ret = snd_soc_dapm_add_routes(&card->dapm,
580 byt_rt5651_ssp2_aif2_map,
581 ARRAY_SIZE(byt_rt5651_ssp2_aif2_map));
582 } else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) {
583 ret = snd_soc_dapm_add_routes(&card->dapm,
584 byt_rt5651_ssp0_aif1_map,
585 ARRAY_SIZE(byt_rt5651_ssp0_aif1_map));
586 } else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2) {
587 ret = snd_soc_dapm_add_routes(&card->dapm,
588 byt_rt5651_ssp0_aif2_map,
589 ARRAY_SIZE(byt_rt5651_ssp0_aif2_map));
590 } else {
591 ret = snd_soc_dapm_add_routes(&card->dapm,
592 byt_rt5651_ssp2_aif1_map,
593 ARRAY_SIZE(byt_rt5651_ssp2_aif1_map));
594 }
595 if (ret)
596 return ret;
597
598 ret = snd_soc_add_card_controls(card, byt_rt5651_controls,
599 ARRAY_SIZE(byt_rt5651_controls));
600 if (ret) {
601 dev_err(card->dev, "unable to add card controls\n");
602 return ret;
603 }
604 snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
605 snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
606
607 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
608 /*
609 * The firmware might enable the clock at
610 * boot (this information may or may not
611 * be reflected in the enable clock register).
612 * To change the rate we must disable the clock
613 * first to cover these cases. Due to common
614 * clock framework restrictions that do not allow
615 * to disable a clock that has not been enabled,
616 * we need to enable the clock first.
617 */
618 ret = clk_prepare_enable(priv->mclk);
619 if (!ret)
620 clk_disable_unprepare(priv->mclk);
621
622 if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
623 ret = clk_set_rate(priv->mclk, 25000000);
624 else
625 ret = clk_set_rate(priv->mclk, 19200000);
626
627 if (ret)
628 dev_err(card->dev, "unable to set MCLK rate\n");
629 }
630
631 report = 0;
632 if (BYT_RT5651_JDSRC(byt_rt5651_quirk))
633 report = SND_JACK_HEADSET | SND_JACK_BTN_0;
634 else if (priv->hp_detect)
635 report = SND_JACK_HEADSET;
636
637 if (report) {
638 ret = snd_soc_card_jack_new(runtime->card, "Headset",
639 report, &priv->jack, bytcr_jack_pins,
640 ARRAY_SIZE(bytcr_jack_pins));
641 if (ret) {
642 dev_err(runtime->dev, "jack creation failed %d\n", ret);
643 return ret;
644 }
645
646 if (report & SND_JACK_BTN_0)
647 snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
648 KEY_PLAYPAUSE);
649
650 ret = snd_soc_component_set_jack(codec, &priv->jack,
651 priv->hp_detect);
652 if (ret)
653 return ret;
654 }
655
656 return 0;
657 }
658
659 static int byt_rt5651_codec_fixup(struct snd_soc_pcm_runtime *rtd,
660 struct snd_pcm_hw_params *params)
661 {
662 struct snd_interval *rate = hw_param_interval(params,
663 SNDRV_PCM_HW_PARAM_RATE);
664 struct snd_interval *channels = hw_param_interval(params,
665 SNDRV_PCM_HW_PARAM_CHANNELS);
666 int ret, bits;
667
668 /* The DSP will covert the FE rate to 48k, stereo */
669 rate->min = rate->max = 48000;
670 channels->min = channels->max = 2;
671
672 if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) ||
673 (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
674 /* set SSP0 to 16-bit */
675 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
676 bits = 16;
677 } else {
678 /* set SSP2 to 24-bit */
679 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
680 bits = 24;
681 }
682
683 /*
684 * Default mode for SSP configuration is TDM 4 slot, override config
685 * with explicit setting to I2S 2ch. The word length is set with
686 * dai_set_tdm_slot() since there is no other API exposed
687 */
688 ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
689 SND_SOC_DAIFMT_I2S |
690 SND_SOC_DAIFMT_NB_NF |
691 SND_SOC_DAIFMT_CBS_CFS
692 );
693
694 if (ret < 0) {
695 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
696 return ret;
697 }
698
699 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, bits);
700 if (ret < 0) {
701 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
702 return ret;
703 }
704
705 return 0;
706 }
707
708 static const unsigned int rates_48000[] = {
709 48000,
710 };
711
712 static const struct snd_pcm_hw_constraint_list constraints_48000 = {
713 .count = ARRAY_SIZE(rates_48000),
714 .list = rates_48000,
715 };
716
717 static int byt_rt5651_aif1_startup(struct snd_pcm_substream *substream)
718 {
719 return snd_pcm_hw_constraint_list(substream->runtime, 0,
720 SNDRV_PCM_HW_PARAM_RATE,
721 &constraints_48000);
722 }
723
724 static const struct snd_soc_ops byt_rt5651_aif1_ops = {
725 .startup = byt_rt5651_aif1_startup,
726 };
727
728 static const struct snd_soc_ops byt_rt5651_be_ssp2_ops = {
729 .hw_params = byt_rt5651_aif1_hw_params,
730 };
731
732 SND_SOC_DAILINK_DEF(dummy,
733 DAILINK_COMP_ARRAY(COMP_DUMMY()));
734
735 SND_SOC_DAILINK_DEF(media,
736 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
737
738 SND_SOC_DAILINK_DEF(deepbuffer,
739 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
740
741 SND_SOC_DAILINK_DEF(ssp2_port,
742 DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
743 SND_SOC_DAILINK_DEF(ssp2_codec,
744 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5651:00", "rt5651-aif1")));
745
746 SND_SOC_DAILINK_DEF(platform,
747 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
748
749 static struct snd_soc_dai_link byt_rt5651_dais[] = {
750 [MERR_DPCM_AUDIO] = {
751 .name = "Audio Port",
752 .stream_name = "Audio",
753 .nonatomic = true,
754 .dynamic = 1,
755 .dpcm_playback = 1,
756 .dpcm_capture = 1,
757 .ops = &byt_rt5651_aif1_ops,
758 SND_SOC_DAILINK_REG(media, dummy, platform),
759 },
760 [MERR_DPCM_DEEP_BUFFER] = {
761 .name = "Deep-Buffer Audio Port",
762 .stream_name = "Deep-Buffer Audio",
763 .nonatomic = true,
764 .dynamic = 1,
765 .dpcm_playback = 1,
766 .ops = &byt_rt5651_aif1_ops,
767 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
768 },
769 /* CODEC<->CODEC link */
770 /* back ends */
771 {
772 .name = "SSP2-Codec",
773 .id = 0,
774 .no_pcm = 1,
775 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
776 | SND_SOC_DAIFMT_CBS_CFS,
777 .be_hw_params_fixup = byt_rt5651_codec_fixup,
778 .ignore_suspend = 1,
779 .nonatomic = true,
780 .dpcm_playback = 1,
781 .dpcm_capture = 1,
782 .init = byt_rt5651_init,
783 .ops = &byt_rt5651_be_ssp2_ops,
784 SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
785 },
786 };
787
788 /* SoC card */
789 static char byt_rt5651_codec_name[SND_ACPI_I2C_ID_LEN];
790 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
791 static char byt_rt5651_long_name[50]; /* = "bytcr-rt5651-*-spk-*-mic[-swapped-hp]" */
792 #endif
793 static char byt_rt5651_components[50]; /* = "cfg-spk:* cfg-mic:*" */
794
795 static int byt_rt5651_suspend(struct snd_soc_card *card)
796 {
797 struct snd_soc_component *component;
798
799 if (!BYT_RT5651_JDSRC(byt_rt5651_quirk))
800 return 0;
801
802 for_each_card_components(card, component) {
803 if (!strcmp(component->name, byt_rt5651_codec_name)) {
804 dev_dbg(component->dev, "disabling jack detect before suspend\n");
805 snd_soc_component_set_jack(component, NULL, NULL);
806 break;
807 }
808 }
809
810 return 0;
811 }
812
813 static int byt_rt5651_resume(struct snd_soc_card *card)
814 {
815 struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
816 struct snd_soc_component *component;
817
818 if (!BYT_RT5651_JDSRC(byt_rt5651_quirk))
819 return 0;
820
821 for_each_card_components(card, component) {
822 if (!strcmp(component->name, byt_rt5651_codec_name)) {
823 dev_dbg(component->dev, "re-enabling jack detect after resume\n");
824 snd_soc_component_set_jack(component, &priv->jack,
825 priv->hp_detect);
826 break;
827 }
828 }
829
830 return 0;
831 }
832
833 static struct snd_soc_card byt_rt5651_card = {
834 .name = "bytcr-rt5651",
835 .owner = THIS_MODULE,
836 .dai_link = byt_rt5651_dais,
837 .num_links = ARRAY_SIZE(byt_rt5651_dais),
838 .dapm_widgets = byt_rt5651_widgets,
839 .num_dapm_widgets = ARRAY_SIZE(byt_rt5651_widgets),
840 .dapm_routes = byt_rt5651_audio_map,
841 .num_dapm_routes = ARRAY_SIZE(byt_rt5651_audio_map),
842 .fully_routed = true,
843 .suspend_pre = byt_rt5651_suspend,
844 .resume_post = byt_rt5651_resume,
845 };
846
847 static const struct acpi_gpio_params ext_amp_enable_gpios = { 0, 0, false };
848
849 static const struct acpi_gpio_mapping cht_rt5651_gpios[] = {
850 /*
851 * Some boards have I2cSerialBusV2, GpioIo, GpioInt as ACPI resources,
852 * other boards may have I2cSerialBusV2, GpioInt, GpioIo instead.
853 * We want the GpioIo one for the ext-amp-enable-gpio.
854 */
855 { "ext-amp-enable-gpios", &ext_amp_enable_gpios, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO },
856 { },
857 };
858
859 struct acpi_chan_package { /* ACPICA seems to require 64 bit integers */
860 u64 aif_value; /* 1: AIF1, 2: AIF2 */
861 u64 mclock_value; /* usually 25MHz (0x17d7940), ignored */
862 };
863
864 static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
865 {
866 static const char * const mic_name[] = { "dmic", "in1", "in2", "in12" };
867 struct byt_rt5651_private *priv;
868 struct snd_soc_acpi_mach *mach;
869 const char *platform_name;
870 struct acpi_device *adev;
871 struct device *codec_dev;
872 bool is_bytcr = false;
873 int ret_val = 0;
874 int dai_index = 0;
875 int i;
876
877 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
878 if (!priv)
879 return -ENOMEM;
880
881 /* register the soc card */
882 byt_rt5651_card.dev = &pdev->dev;
883
884 mach = byt_rt5651_card.dev->platform_data;
885 snd_soc_card_set_drvdata(&byt_rt5651_card, priv);
886
887 /* fix index of codec dai */
888 for (i = 0; i < ARRAY_SIZE(byt_rt5651_dais); i++) {
889 if (!strcmp(byt_rt5651_dais[i].codecs->name,
890 "i2c-10EC5651:00")) {
891 dai_index = i;
892 break;
893 }
894 }
895
896 /* fixup codec name based on HID */
897 adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
898 if (adev) {
899 snprintf(byt_rt5651_codec_name, sizeof(byt_rt5651_codec_name),
900 "i2c-%s", acpi_dev_name(adev));
901 put_device(&adev->dev);
902 byt_rt5651_dais[dai_index].codecs->name = byt_rt5651_codec_name;
903 } else {
904 dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
905 return -ENODEV;
906 }
907
908 codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL,
909 byt_rt5651_codec_name);
910 if (!codec_dev)
911 return -EPROBE_DEFER;
912
913 /*
914 * swap SSP0 if bytcr is detected
915 * (will be overridden if DMI quirk is detected)
916 */
917 if (soc_intel_is_byt()) {
918 if (mach->mach_params.acpi_ipc_irq_index == 0)
919 is_bytcr = true;
920 }
921
922 if (is_bytcr) {
923 /*
924 * Baytrail CR platforms may have CHAN package in BIOS, try
925 * to find relevant routing quirk based as done on Windows
926 * platforms. We have to read the information directly from the
927 * BIOS, at this stage the card is not created and the links
928 * with the codec driver/pdata are non-existent
929 */
930
931 struct acpi_chan_package chan_package;
932
933 /* format specified: 2 64-bit integers */
934 struct acpi_buffer format = {sizeof("NN"), "NN"};
935 struct acpi_buffer state = {0, NULL};
936 struct snd_soc_acpi_package_context pkg_ctx;
937 bool pkg_found = false;
938
939 state.length = sizeof(chan_package);
940 state.pointer = &chan_package;
941
942 pkg_ctx.name = "CHAN";
943 pkg_ctx.length = 2;
944 pkg_ctx.format = &format;
945 pkg_ctx.state = &state;
946 pkg_ctx.data_valid = false;
947
948 pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
949 &pkg_ctx);
950 if (pkg_found) {
951 if (chan_package.aif_value == 1) {
952 dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
953 byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF1;
954 } else if (chan_package.aif_value == 2) {
955 dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
956 byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2;
957 } else {
958 dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
959 pkg_found = false;
960 }
961 }
962
963 if (!pkg_found) {
964 /* no BIOS indications, assume SSP0-AIF2 connection */
965 byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2;
966 }
967 }
968
969 /* check quirks before creating card */
970 dmi_check_system(byt_rt5651_quirk_table);
971
972 if (quirk_override != -1) {
973 dev_info(&pdev->dev, "Overriding quirk 0x%x => 0x%x\n",
974 (unsigned int)byt_rt5651_quirk, quirk_override);
975 byt_rt5651_quirk = quirk_override;
976 }
977
978 /* Must be called before register_card, also see declaration comment. */
979 ret_val = byt_rt5651_add_codec_device_props(codec_dev);
980 if (ret_val) {
981 put_device(codec_dev);
982 return ret_val;
983 }
984
985 /* Cherry Trail devices use an external amplifier enable gpio */
986 if (soc_intel_is_cht() && !byt_rt5651_gpios)
987 byt_rt5651_gpios = cht_rt5651_gpios;
988
989 if (byt_rt5651_gpios) {
990 devm_acpi_dev_add_driver_gpios(codec_dev, byt_rt5651_gpios);
991 priv->ext_amp_gpio = devm_fwnode_gpiod_get(&pdev->dev,
992 codec_dev->fwnode,
993 "ext-amp-enable",
994 GPIOD_OUT_LOW,
995 "speaker-amp");
996 if (IS_ERR(priv->ext_amp_gpio)) {
997 ret_val = PTR_ERR(priv->ext_amp_gpio);
998 switch (ret_val) {
999 case -ENOENT:
1000 priv->ext_amp_gpio = NULL;
1001 break;
1002 default:
1003 dev_err(&pdev->dev, "Failed to get ext-amp-enable GPIO: %d\n",
1004 ret_val);
1005 /* fall through */
1006 case -EPROBE_DEFER:
1007 put_device(codec_dev);
1008 return ret_val;
1009 }
1010 }
1011 priv->hp_detect = devm_fwnode_gpiod_get(&pdev->dev,
1012 codec_dev->fwnode,
1013 "hp-detect",
1014 GPIOD_IN,
1015 "hp-detect");
1016 if (IS_ERR(priv->hp_detect)) {
1017 ret_val = PTR_ERR(priv->hp_detect);
1018 switch (ret_val) {
1019 case -ENOENT:
1020 priv->hp_detect = NULL;
1021 break;
1022 default:
1023 dev_err(&pdev->dev, "Failed to get hp-detect GPIO: %d\n",
1024 ret_val);
1025 /* fall through */
1026 case -EPROBE_DEFER:
1027 put_device(codec_dev);
1028 return ret_val;
1029 }
1030 }
1031 }
1032
1033 put_device(codec_dev);
1034
1035 log_quirks(&pdev->dev);
1036
1037 if ((byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) ||
1038 (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2))
1039 byt_rt5651_dais[dai_index].codecs->dai_name = "rt5651-aif2";
1040
1041 if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) ||
1042 (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2))
1043 byt_rt5651_dais[dai_index].cpus->dai_name = "ssp0-port";
1044
1045 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
1046 priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
1047 if (IS_ERR(priv->mclk)) {
1048 ret_val = PTR_ERR(priv->mclk);
1049 dev_err(&pdev->dev,
1050 "Failed to get MCLK from pmc_plt_clk_3: %d\n",
1051 ret_val);
1052 /*
1053 * Fall back to bit clock usage for -ENOENT (clock not
1054 * available likely due to missing dependencies), bail
1055 * for all other errors, including -EPROBE_DEFER
1056 */
1057 if (ret_val != -ENOENT)
1058 return ret_val;
1059 byt_rt5651_quirk &= ~BYT_RT5651_MCLK_EN;
1060 }
1061 }
1062
1063 snprintf(byt_rt5651_components, sizeof(byt_rt5651_components),
1064 "cfg-spk:%s cfg-mic:%s%s",
1065 (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) ? "1" : "2",
1066 mic_name[BYT_RT5651_MAP(byt_rt5651_quirk)],
1067 (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED) ?
1068 " cfg-hp:lrswap" : "");
1069 byt_rt5651_card.components = byt_rt5651_components;
1070 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
1071 snprintf(byt_rt5651_long_name, sizeof(byt_rt5651_long_name),
1072 "bytcr-rt5651-%s-spk-%s-mic%s",
1073 (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) ?
1074 "mono" : "stereo",
1075 mic_name[BYT_RT5651_MAP(byt_rt5651_quirk)],
1076 (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED) ?
1077 "-hp-swapped" : "");
1078 byt_rt5651_card.long_name = byt_rt5651_long_name;
1079 #endif
1080
1081 /* override plaform name, if required */
1082 platform_name = mach->mach_params.platform;
1083
1084 ret_val = snd_soc_fixup_dai_links_platform_name(&byt_rt5651_card,
1085 platform_name);
1086 if (ret_val)
1087 return ret_val;
1088
1089 ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5651_card);
1090
1091 if (ret_val) {
1092 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
1093 ret_val);
1094 return ret_val;
1095 }
1096 platform_set_drvdata(pdev, &byt_rt5651_card);
1097 return ret_val;
1098 }
1099
1100 static struct platform_driver snd_byt_rt5651_mc_driver = {
1101 .driver = {
1102 .name = "bytcr_rt5651",
1103 },
1104 .probe = snd_byt_rt5651_mc_probe,
1105 };
1106
1107 module_platform_driver(snd_byt_rt5651_mc_driver);
1108
1109 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver for RT5651");
1110 MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>");
1111 MODULE_LICENSE("GPL v2");
1112 MODULE_ALIAS("platform:bytcr_rt5651");
Linux with added FPC-III support