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0014 #include <linux/acpi.h>
0015 #include <linux/clk.h>
0016 #include <linux/device.h>
0017 #include <linux/dmi.h>
0018 #include <linux/gpio/consumer.h>
0019 #include <linux/i2c.h>
0020 #include <linux/init.h>
0021 #include <linux/input.h>
0022 #include <linux/module.h>
0023 #include <linux/platform_device.h>
0024 #include <linux/slab.h>
0025 #include <sound/jack.h>
0026 #include <sound/pcm.h>
0027 #include <sound/pcm_params.h>
0028 #include <sound/soc.h>
0029 #include <sound/soc-acpi.h>
0030 #include "../atom/sst-atom-controls.h"
0031 #include "../common/soc-intel-quirks.h"
0032
0033
0034 #define MAX_NO_PROPS 2
0035
0036 struct byt_cht_es8316_private {
0037 struct clk *mclk;
0038 struct snd_soc_jack jack;
0039 struct gpio_desc *speaker_en_gpio;
0040 struct device *codec_dev;
0041 bool speaker_en;
0042 };
0043
0044 enum {
0045 BYT_CHT_ES8316_INTMIC_IN1_MAP,
0046 BYT_CHT_ES8316_INTMIC_IN2_MAP,
0047 };
0048
0049 #define BYT_CHT_ES8316_MAP(quirk) ((quirk) & GENMASK(3, 0))
0050 #define BYT_CHT_ES8316_SSP0 BIT(16)
0051 #define BYT_CHT_ES8316_MONO_SPEAKER BIT(17)
0052 #define BYT_CHT_ES8316_JD_INVERTED BIT(18)
0053
0054 static unsigned long quirk;
0055
0056 static int quirk_override = -1;
0057 module_param_named(quirk, quirk_override, int, 0444);
0058 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
0059
0060 static void log_quirks(struct device *dev)
0061 {
0062 if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN1_MAP)
0063 dev_info(dev, "quirk IN1_MAP enabled");
0064 if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN2_MAP)
0065 dev_info(dev, "quirk IN2_MAP enabled");
0066 if (quirk & BYT_CHT_ES8316_SSP0)
0067 dev_info(dev, "quirk SSP0 enabled");
0068 if (quirk & BYT_CHT_ES8316_MONO_SPEAKER)
0069 dev_info(dev, "quirk MONO_SPEAKER enabled\n");
0070 if (quirk & BYT_CHT_ES8316_JD_INVERTED)
0071 dev_info(dev, "quirk JD_INVERTED enabled\n");
0072 }
0073
0074 static int byt_cht_es8316_speaker_power_event(struct snd_soc_dapm_widget *w,
0075 struct snd_kcontrol *kcontrol, int event)
0076 {
0077 struct snd_soc_card *card = w->dapm->card;
0078 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
0079
0080 if (SND_SOC_DAPM_EVENT_ON(event))
0081 priv->speaker_en = true;
0082 else
0083 priv->speaker_en = false;
0084
0085 gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en);
0086
0087 return 0;
0088 }
0089
0090 static const struct snd_soc_dapm_widget byt_cht_es8316_widgets[] = {
0091 SND_SOC_DAPM_SPK("Speaker", NULL),
0092 SND_SOC_DAPM_HP("Headphone", NULL),
0093 SND_SOC_DAPM_MIC("Headset Mic", NULL),
0094 SND_SOC_DAPM_MIC("Internal Mic", NULL),
0095
0096 SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0,
0097 byt_cht_es8316_speaker_power_event,
0098 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
0099 };
0100
0101 static const struct snd_soc_dapm_route byt_cht_es8316_audio_map[] = {
0102 {"Headphone", NULL, "HPOL"},
0103 {"Headphone", NULL, "HPOR"},
0104
0105
0106
0107
0108
0109 {"Speaker", NULL, "HPOL"},
0110 {"Speaker", NULL, "HPOR"},
0111 {"Speaker", NULL, "Speaker Power"},
0112 };
0113
0114 static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in1_map[] = {
0115 {"MIC1", NULL, "Internal Mic"},
0116 {"MIC2", NULL, "Headset Mic"},
0117 };
0118
0119 static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in2_map[] = {
0120 {"MIC2", NULL, "Internal Mic"},
0121 {"MIC1", NULL, "Headset Mic"},
0122 };
0123
0124 static const struct snd_soc_dapm_route byt_cht_es8316_ssp0_map[] = {
0125 {"Playback", NULL, "ssp0 Tx"},
0126 {"ssp0 Tx", NULL, "modem_out"},
0127 {"modem_in", NULL, "ssp0 Rx"},
0128 {"ssp0 Rx", NULL, "Capture"},
0129 };
0130
0131 static const struct snd_soc_dapm_route byt_cht_es8316_ssp2_map[] = {
0132 {"Playback", NULL, "ssp2 Tx"},
0133 {"ssp2 Tx", NULL, "codec_out0"},
0134 {"ssp2 Tx", NULL, "codec_out1"},
0135 {"codec_in0", NULL, "ssp2 Rx" },
0136 {"codec_in1", NULL, "ssp2 Rx" },
0137 {"ssp2 Rx", NULL, "Capture"},
0138 };
0139
0140 static const struct snd_kcontrol_new byt_cht_es8316_controls[] = {
0141 SOC_DAPM_PIN_SWITCH("Speaker"),
0142 SOC_DAPM_PIN_SWITCH("Headphone"),
0143 SOC_DAPM_PIN_SWITCH("Headset Mic"),
0144 SOC_DAPM_PIN_SWITCH("Internal Mic"),
0145 };
0146
0147 static struct snd_soc_jack_pin byt_cht_es8316_jack_pins[] = {
0148 {
0149 .pin = "Headphone",
0150 .mask = SND_JACK_HEADPHONE,
0151 },
0152 {
0153 .pin = "Headset Mic",
0154 .mask = SND_JACK_MICROPHONE,
0155 },
0156 };
0157
0158 static int byt_cht_es8316_init(struct snd_soc_pcm_runtime *runtime)
0159 {
0160 struct snd_soc_component *codec = asoc_rtd_to_codec(runtime, 0)->component;
0161 struct snd_soc_card *card = runtime->card;
0162 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
0163 const struct snd_soc_dapm_route *custom_map;
0164 int num_routes;
0165 int ret;
0166
0167 card->dapm.idle_bias_off = true;
0168
0169 switch (BYT_CHT_ES8316_MAP(quirk)) {
0170 case BYT_CHT_ES8316_INTMIC_IN1_MAP:
0171 default:
0172 custom_map = byt_cht_es8316_intmic_in1_map;
0173 num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in1_map);
0174 break;
0175 case BYT_CHT_ES8316_INTMIC_IN2_MAP:
0176 custom_map = byt_cht_es8316_intmic_in2_map;
0177 num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in2_map);
0178 break;
0179 }
0180 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
0181 if (ret)
0182 return ret;
0183
0184 if (quirk & BYT_CHT_ES8316_SSP0) {
0185 custom_map = byt_cht_es8316_ssp0_map;
0186 num_routes = ARRAY_SIZE(byt_cht_es8316_ssp0_map);
0187 } else {
0188 custom_map = byt_cht_es8316_ssp2_map;
0189 num_routes = ARRAY_SIZE(byt_cht_es8316_ssp2_map);
0190 }
0191 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
0192 if (ret)
0193 return ret;
0194
0195
0196
0197
0198
0199
0200
0201
0202
0203 ret = clk_prepare_enable(priv->mclk);
0204 if (!ret)
0205 clk_disable_unprepare(priv->mclk);
0206
0207 ret = clk_set_rate(priv->mclk, 19200000);
0208 if (ret)
0209 dev_err(card->dev, "unable to set MCLK rate\n");
0210
0211 ret = clk_prepare_enable(priv->mclk);
0212 if (ret)
0213 dev_err(card->dev, "unable to enable MCLK\n");
0214
0215 ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(runtime, 0), 0, 19200000,
0216 SND_SOC_CLOCK_IN);
0217 if (ret < 0) {
0218 dev_err(card->dev, "can't set codec clock %d\n", ret);
0219 return ret;
0220 }
0221
0222 ret = snd_soc_card_jack_new_pins(card, "Headset",
0223 SND_JACK_HEADSET | SND_JACK_BTN_0,
0224 &priv->jack, byt_cht_es8316_jack_pins,
0225 ARRAY_SIZE(byt_cht_es8316_jack_pins));
0226 if (ret) {
0227 dev_err(card->dev, "jack creation failed %d\n", ret);
0228 return ret;
0229 }
0230
0231 snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
0232 snd_soc_component_set_jack(codec, &priv->jack, NULL);
0233
0234 return 0;
0235 }
0236
0237 static int byt_cht_es8316_codec_fixup(struct snd_soc_pcm_runtime *rtd,
0238 struct snd_pcm_hw_params *params)
0239 {
0240 struct snd_interval *rate = hw_param_interval(params,
0241 SNDRV_PCM_HW_PARAM_RATE);
0242 struct snd_interval *channels = hw_param_interval(params,
0243 SNDRV_PCM_HW_PARAM_CHANNELS);
0244 int ret, bits;
0245
0246
0247 rate->min = rate->max = 48000;
0248 channels->min = channels->max = 2;
0249
0250 if (quirk & BYT_CHT_ES8316_SSP0) {
0251
0252 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
0253 bits = 16;
0254 } else {
0255
0256 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
0257 bits = 24;
0258 }
0259
0260
0261
0262
0263
0264
0265 ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0),
0266 SND_SOC_DAIFMT_I2S |
0267 SND_SOC_DAIFMT_NB_NF |
0268 SND_SOC_DAIFMT_BP_FP
0269 );
0270 if (ret < 0) {
0271 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
0272 return ret;
0273 }
0274
0275 ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits);
0276 if (ret < 0) {
0277 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
0278 return ret;
0279 }
0280
0281 return 0;
0282 }
0283
0284 static int byt_cht_es8316_aif1_startup(struct snd_pcm_substream *substream)
0285 {
0286 return snd_pcm_hw_constraint_single(substream->runtime,
0287 SNDRV_PCM_HW_PARAM_RATE, 48000);
0288 }
0289
0290 static const struct snd_soc_ops byt_cht_es8316_aif1_ops = {
0291 .startup = byt_cht_es8316_aif1_startup,
0292 };
0293
0294 SND_SOC_DAILINK_DEF(dummy,
0295 DAILINK_COMP_ARRAY(COMP_DUMMY()));
0296
0297 SND_SOC_DAILINK_DEF(media,
0298 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
0299
0300 SND_SOC_DAILINK_DEF(deepbuffer,
0301 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
0302
0303 SND_SOC_DAILINK_DEF(ssp2_port,
0304 DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
0305 SND_SOC_DAILINK_DEF(ssp2_codec,
0306 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8316:00", "ES8316 HiFi")));
0307
0308 SND_SOC_DAILINK_DEF(platform,
0309 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
0310
0311 static struct snd_soc_dai_link byt_cht_es8316_dais[] = {
0312 [MERR_DPCM_AUDIO] = {
0313 .name = "Audio Port",
0314 .stream_name = "Audio",
0315 .nonatomic = true,
0316 .dynamic = 1,
0317 .dpcm_playback = 1,
0318 .dpcm_capture = 1,
0319 .ops = &byt_cht_es8316_aif1_ops,
0320 SND_SOC_DAILINK_REG(media, dummy, platform),
0321 },
0322
0323 [MERR_DPCM_DEEP_BUFFER] = {
0324 .name = "Deep-Buffer Audio Port",
0325 .stream_name = "Deep-Buffer Audio",
0326 .nonatomic = true,
0327 .dynamic = 1,
0328 .dpcm_playback = 1,
0329 .ops = &byt_cht_es8316_aif1_ops,
0330 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
0331 },
0332
0333
0334 {
0335 .name = "SSP2-Codec",
0336 .id = 0,
0337 .no_pcm = 1,
0338 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
0339 | SND_SOC_DAIFMT_CBC_CFC,
0340 .be_hw_params_fixup = byt_cht_es8316_codec_fixup,
0341 .dpcm_playback = 1,
0342 .dpcm_capture = 1,
0343 .init = byt_cht_es8316_init,
0344 SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
0345 },
0346 };
0347
0348
0349
0350 static char codec_name[SND_ACPI_I2C_ID_LEN];
0351 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
0352 static char long_name[50];
0353 #endif
0354 static char components_string[32];
0355
0356 static int byt_cht_es8316_suspend(struct snd_soc_card *card)
0357 {
0358 struct snd_soc_component *component;
0359
0360 for_each_card_components(card, component) {
0361 if (!strcmp(component->name, codec_name)) {
0362 dev_dbg(component->dev, "disabling jack detect before suspend\n");
0363 snd_soc_component_set_jack(component, NULL, NULL);
0364 break;
0365 }
0366 }
0367
0368 return 0;
0369 }
0370
0371 static int byt_cht_es8316_resume(struct snd_soc_card *card)
0372 {
0373 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
0374 struct snd_soc_component *component;
0375
0376 for_each_card_components(card, component) {
0377 if (!strcmp(component->name, codec_name)) {
0378 dev_dbg(component->dev, "re-enabling jack detect after resume\n");
0379 snd_soc_component_set_jack(component, &priv->jack, NULL);
0380 break;
0381 }
0382 }
0383
0384
0385
0386
0387
0388
0389
0390
0391
0392
0393
0394
0395
0396
0397
0398
0399
0400
0401 gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en);
0402
0403 return 0;
0404 }
0405
0406
0407 #define SOF_CARD_NAME "bytcht es8316"
0408 #define SOF_DRIVER_NAME "SOF"
0409
0410 #define CARD_NAME "bytcht-es8316"
0411 #define DRIVER_NAME NULL
0412
0413 static struct snd_soc_card byt_cht_es8316_card = {
0414 .owner = THIS_MODULE,
0415 .dai_link = byt_cht_es8316_dais,
0416 .num_links = ARRAY_SIZE(byt_cht_es8316_dais),
0417 .dapm_widgets = byt_cht_es8316_widgets,
0418 .num_dapm_widgets = ARRAY_SIZE(byt_cht_es8316_widgets),
0419 .dapm_routes = byt_cht_es8316_audio_map,
0420 .num_dapm_routes = ARRAY_SIZE(byt_cht_es8316_audio_map),
0421 .controls = byt_cht_es8316_controls,
0422 .num_controls = ARRAY_SIZE(byt_cht_es8316_controls),
0423 .fully_routed = true,
0424 .suspend_pre = byt_cht_es8316_suspend,
0425 .resume_post = byt_cht_es8316_resume,
0426 };
0427
0428 static const struct acpi_gpio_params first_gpio = { 0, 0, false };
0429
0430 static const struct acpi_gpio_mapping byt_cht_es8316_gpios[] = {
0431 { "speaker-enable-gpios", &first_gpio, 1 },
0432 { },
0433 };
0434
0435
0436 static const struct dmi_system_id byt_cht_es8316_quirk_table[] = {
0437 {
0438 .matches = {
0439 DMI_MATCH(DMI_SYS_VENDOR, "IRBIS"),
0440 DMI_MATCH(DMI_PRODUCT_NAME, "NB41"),
0441 },
0442 .driver_data = (void *)(BYT_CHT_ES8316_SSP0
0443 | BYT_CHT_ES8316_INTMIC_IN2_MAP
0444 | BYT_CHT_ES8316_JD_INVERTED),
0445 },
0446 {
0447 .matches = {
0448 DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
0449 DMI_MATCH(DMI_PRODUCT_NAME, "X98 Plus II"),
0450 },
0451 .driver_data = (void *)(BYT_CHT_ES8316_INTMIC_IN1_MAP
0452 | BYT_CHT_ES8316_JD_INVERTED),
0453 },
0454 {}
0455 };
0456
0457 static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
0458 {
0459 struct device *dev = &pdev->dev;
0460 static const char * const mic_name[] = { "in1", "in2" };
0461 struct snd_soc_acpi_mach *mach = dev_get_platdata(dev);
0462 struct property_entry props[MAX_NO_PROPS] = {};
0463 struct byt_cht_es8316_private *priv;
0464 const struct dmi_system_id *dmi_id;
0465 struct fwnode_handle *fwnode;
0466 const char *platform_name;
0467 struct acpi_device *adev;
0468 struct device *codec_dev;
0469 bool sof_parent;
0470 unsigned int cnt = 0;
0471 int dai_index = 0;
0472 int i;
0473 int ret = 0;
0474
0475 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
0476 if (!priv)
0477 return -ENOMEM;
0478
0479
0480 for (i = 0; i < ARRAY_SIZE(byt_cht_es8316_dais); i++) {
0481 if (!strcmp(byt_cht_es8316_dais[i].codecs->name,
0482 "i2c-ESSX8316:00")) {
0483 dai_index = i;
0484 break;
0485 }
0486 }
0487
0488
0489 adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
0490 if (adev) {
0491 snprintf(codec_name, sizeof(codec_name),
0492 "i2c-%s", acpi_dev_name(adev));
0493 put_device(&adev->dev);
0494 byt_cht_es8316_dais[dai_index].codecs->name = codec_name;
0495 } else {
0496 dev_err(dev, "Error cannot find '%s' dev\n", mach->id);
0497 return -ENXIO;
0498 }
0499
0500
0501 byt_cht_es8316_card.dev = dev;
0502 platform_name = mach->mach_params.platform;
0503
0504 ret = snd_soc_fixup_dai_links_platform_name(&byt_cht_es8316_card,
0505 platform_name);
0506 if (ret)
0507 return ret;
0508
0509
0510 dmi_id = dmi_first_match(byt_cht_es8316_quirk_table);
0511 if (dmi_id) {
0512 quirk = (unsigned long)dmi_id->driver_data;
0513 } else if (soc_intel_is_byt() &&
0514 mach->mach_params.acpi_ipc_irq_index == 0) {
0515
0516 quirk = BYT_CHT_ES8316_SSP0 | BYT_CHT_ES8316_INTMIC_IN2_MAP |
0517 BYT_CHT_ES8316_MONO_SPEAKER;
0518 } else {
0519
0520 quirk = BYT_CHT_ES8316_INTMIC_IN1_MAP |
0521 BYT_CHT_ES8316_MONO_SPEAKER;
0522 }
0523 if (quirk_override != -1) {
0524 dev_info(dev, "Overriding quirk 0x%lx => 0x%x\n",
0525 quirk, quirk_override);
0526 quirk = quirk_override;
0527 }
0528 log_quirks(dev);
0529
0530 if (quirk & BYT_CHT_ES8316_SSP0)
0531 byt_cht_es8316_dais[dai_index].cpus->dai_name = "ssp0-port";
0532
0533
0534 priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3");
0535 if (IS_ERR(priv->mclk))
0536 return dev_err_probe(dev, PTR_ERR(priv->mclk), "clk_get pmc_plt_clk_3 failed\n");
0537
0538 codec_dev = acpi_get_first_physical_node(adev);
0539 if (!codec_dev)
0540 return -EPROBE_DEFER;
0541 priv->codec_dev = get_device(codec_dev);
0542
0543 if (quirk & BYT_CHT_ES8316_JD_INVERTED)
0544 props[cnt++] = PROPERTY_ENTRY_BOOL("everest,jack-detect-inverted");
0545
0546 if (cnt) {
0547 fwnode = fwnode_create_software_node(props, NULL);
0548 if (IS_ERR(fwnode)) {
0549 put_device(codec_dev);
0550 return PTR_ERR(fwnode);
0551 }
0552
0553 ret = device_add_software_node(codec_dev, to_software_node(fwnode));
0554
0555 fwnode_handle_put(fwnode);
0556
0557 if (ret) {
0558 put_device(codec_dev);
0559 return ret;
0560 }
0561 }
0562
0563
0564 devm_acpi_dev_add_driver_gpios(codec_dev, byt_cht_es8316_gpios);
0565 priv->speaker_en_gpio =
0566 gpiod_get_optional(codec_dev, "speaker-enable",
0567
0568 GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE);
0569 if (IS_ERR(priv->speaker_en_gpio)) {
0570 ret = dev_err_probe(dev, PTR_ERR(priv->speaker_en_gpio),
0571 "get speaker GPIO failed\n");
0572 goto err_put_codec;
0573 }
0574
0575 snprintf(components_string, sizeof(components_string),
0576 "cfg-spk:%s cfg-mic:%s",
0577 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "1" : "2",
0578 mic_name[BYT_CHT_ES8316_MAP(quirk)]);
0579 byt_cht_es8316_card.components = components_string;
0580 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
0581 snprintf(long_name, sizeof(long_name), "bytcht-es8316-%s-spk-%s-mic",
0582 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "mono" : "stereo",
0583 mic_name[BYT_CHT_ES8316_MAP(quirk)]);
0584 byt_cht_es8316_card.long_name = long_name;
0585 #endif
0586
0587 sof_parent = snd_soc_acpi_sof_parent(dev);
0588
0589
0590 if (sof_parent) {
0591 byt_cht_es8316_card.name = SOF_CARD_NAME;
0592 byt_cht_es8316_card.driver_name = SOF_DRIVER_NAME;
0593 } else {
0594 byt_cht_es8316_card.name = CARD_NAME;
0595 byt_cht_es8316_card.driver_name = DRIVER_NAME;
0596 }
0597
0598
0599 if (sof_parent)
0600 dev->driver->pm = &snd_soc_pm_ops;
0601
0602
0603 snd_soc_card_set_drvdata(&byt_cht_es8316_card, priv);
0604
0605 ret = devm_snd_soc_register_card(dev, &byt_cht_es8316_card);
0606 if (ret) {
0607 gpiod_put(priv->speaker_en_gpio);
0608 dev_err(dev, "snd_soc_register_card failed: %d\n", ret);
0609 goto err_put_codec;
0610 }
0611 platform_set_drvdata(pdev, &byt_cht_es8316_card);
0612 return 0;
0613
0614 err_put_codec:
0615 device_remove_software_node(priv->codec_dev);
0616 put_device(priv->codec_dev);
0617 return ret;
0618 }
0619
0620 static int snd_byt_cht_es8316_mc_remove(struct platform_device *pdev)
0621 {
0622 struct snd_soc_card *card = platform_get_drvdata(pdev);
0623 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
0624
0625 gpiod_put(priv->speaker_en_gpio);
0626 device_remove_software_node(priv->codec_dev);
0627 put_device(priv->codec_dev);
0628 return 0;
0629 }
0630
0631 static struct platform_driver snd_byt_cht_es8316_mc_driver = {
0632 .driver = {
0633 .name = "bytcht_es8316",
0634 },
0635 .probe = snd_byt_cht_es8316_mc_probe,
0636 .remove = snd_byt_cht_es8316_mc_remove,
0637 };
0638
0639 module_platform_driver(snd_byt_cht_es8316_mc_driver);
0640 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail Machine driver");
0641 MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");
0642 MODULE_LICENSE("GPL v2");
0643 MODULE_ALIAS("platform:bytcht_es8316");