| 1 | /* |
| 2 | * rx51.c -- SoC audio for Nokia RX-51 |
| 3 | * |
| 4 | * Copyright (C) 2008 - 2009 Nokia Corporation |
| 5 | * |
| 6 | * Contact: Peter Ujfalusi <peter.ujfalusi@ti.com> |
| 7 | * Eduardo Valentin <eduardo.valentin@nokia.com> |
| 8 | * Jarkko Nikula <jarkko.nikula@bitmer.com> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or |
| 11 | * modify it under the terms of the GNU General Public License |
| 12 | * version 2 as published by the Free Software Foundation. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, but |
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 22 | * 02110-1301 USA |
| 23 | * |
| 24 | */ |
| 25 | |
| 26 | #include <linux/delay.h> |
| 27 | #include <linux/gpio.h> |
| 28 | #include <linux/platform_device.h> |
| 29 | #include <linux/gpio/consumer.h> |
| 30 | #include <linux/module.h> |
| 31 | #include <sound/core.h> |
| 32 | #include <sound/jack.h> |
| 33 | #include <sound/pcm.h> |
| 34 | #include <sound/soc.h> |
| 35 | #include <linux/platform_data/asoc-ti-mcbsp.h> |
| 36 | |
| 37 | #include <asm/mach-types.h> |
| 38 | |
| 39 | #include "omap-mcbsp.h" |
| 40 | |
| 41 | enum { |
| 42 | RX51_JACK_DISABLED, |
| 43 | RX51_JACK_TVOUT, /* tv-out with stereo output */ |
| 44 | RX51_JACK_HP, /* headphone: stereo output, no mic */ |
| 45 | RX51_JACK_HS, /* headset: stereo output with mic */ |
| 46 | }; |
| 47 | |
| 48 | struct rx51_audio_pdata { |
| 49 | struct gpio_desc *tvout_selection_gpio; |
| 50 | struct gpio_desc *jack_detection_gpio; |
| 51 | struct gpio_desc *eci_sw_gpio; |
| 52 | struct gpio_desc *speaker_amp_gpio; |
| 53 | }; |
| 54 | |
| 55 | static int rx51_spk_func; |
| 56 | static int rx51_dmic_func; |
| 57 | static int rx51_jack_func; |
| 58 | |
| 59 | static void rx51_ext_control(struct snd_soc_dapm_context *dapm) |
| 60 | { |
| 61 | struct snd_soc_card *card = dapm->card; |
| 62 | struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card); |
| 63 | int hp = 0, hs = 0, tvout = 0; |
| 64 | |
| 65 | switch (rx51_jack_func) { |
| 66 | case RX51_JACK_TVOUT: |
| 67 | tvout = 1; |
| 68 | hp = 1; |
| 69 | break; |
| 70 | case RX51_JACK_HS: |
| 71 | hs = 1; |
| 72 | case RX51_JACK_HP: |
| 73 | hp = 1; |
| 74 | break; |
| 75 | } |
| 76 | |
| 77 | snd_soc_dapm_mutex_lock(dapm); |
| 78 | |
| 79 | if (rx51_spk_func) |
| 80 | snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk"); |
| 81 | else |
| 82 | snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk"); |
| 83 | if (rx51_dmic_func) |
| 84 | snd_soc_dapm_enable_pin_unlocked(dapm, "DMic"); |
| 85 | else |
| 86 | snd_soc_dapm_disable_pin_unlocked(dapm, "DMic"); |
| 87 | if (hp) |
| 88 | snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack"); |
| 89 | else |
| 90 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); |
| 91 | if (hs) |
| 92 | snd_soc_dapm_enable_pin_unlocked(dapm, "HS Mic"); |
| 93 | else |
| 94 | snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic"); |
| 95 | |
| 96 | gpiod_set_value(pdata->tvout_selection_gpio, tvout); |
| 97 | |
| 98 | snd_soc_dapm_sync_unlocked(dapm); |
| 99 | |
| 100 | snd_soc_dapm_mutex_unlock(dapm); |
| 101 | } |
| 102 | |
| 103 | static int rx51_startup(struct snd_pcm_substream *substream) |
| 104 | { |
| 105 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 106 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 107 | struct snd_soc_card *card = rtd->card; |
| 108 | |
| 109 | snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2); |
| 110 | rx51_ext_control(&card->dapm); |
| 111 | |
| 112 | return 0; |
| 113 | } |
| 114 | |
| 115 | static int rx51_hw_params(struct snd_pcm_substream *substream, |
| 116 | struct snd_pcm_hw_params *params) |
| 117 | { |
| 118 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 119 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 120 | |
| 121 | /* Set the codec system clock for DAC and ADC */ |
| 122 | return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000, |
| 123 | SND_SOC_CLOCK_IN); |
| 124 | } |
| 125 | |
| 126 | static struct snd_soc_ops rx51_ops = { |
| 127 | .startup = rx51_startup, |
| 128 | .hw_params = rx51_hw_params, |
| 129 | }; |
| 130 | |
| 131 | static int rx51_get_spk(struct snd_kcontrol *kcontrol, |
| 132 | struct snd_ctl_elem_value *ucontrol) |
| 133 | { |
| 134 | ucontrol->value.enumerated.item[0] = rx51_spk_func; |
| 135 | |
| 136 | return 0; |
| 137 | } |
| 138 | |
| 139 | static int rx51_set_spk(struct snd_kcontrol *kcontrol, |
| 140 | struct snd_ctl_elem_value *ucontrol) |
| 141 | { |
| 142 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
| 143 | |
| 144 | if (rx51_spk_func == ucontrol->value.enumerated.item[0]) |
| 145 | return 0; |
| 146 | |
| 147 | rx51_spk_func = ucontrol->value.enumerated.item[0]; |
| 148 | rx51_ext_control(&card->dapm); |
| 149 | |
| 150 | return 1; |
| 151 | } |
| 152 | |
| 153 | static int rx51_spk_event(struct snd_soc_dapm_widget *w, |
| 154 | struct snd_kcontrol *k, int event) |
| 155 | { |
| 156 | struct snd_soc_dapm_context *dapm = w->dapm; |
| 157 | struct snd_soc_card *card = dapm->card; |
| 158 | struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card); |
| 159 | |
| 160 | gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio, |
| 161 | !!SND_SOC_DAPM_EVENT_ON(event)); |
| 162 | |
| 163 | return 0; |
| 164 | } |
| 165 | |
| 166 | static int rx51_get_input(struct snd_kcontrol *kcontrol, |
| 167 | struct snd_ctl_elem_value *ucontrol) |
| 168 | { |
| 169 | ucontrol->value.enumerated.item[0] = rx51_dmic_func; |
| 170 | |
| 171 | return 0; |
| 172 | } |
| 173 | |
| 174 | static int rx51_set_input(struct snd_kcontrol *kcontrol, |
| 175 | struct snd_ctl_elem_value *ucontrol) |
| 176 | { |
| 177 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
| 178 | |
| 179 | if (rx51_dmic_func == ucontrol->value.enumerated.item[0]) |
| 180 | return 0; |
| 181 | |
| 182 | rx51_dmic_func = ucontrol->value.enumerated.item[0]; |
| 183 | rx51_ext_control(&card->dapm); |
| 184 | |
| 185 | return 1; |
| 186 | } |
| 187 | |
| 188 | static int rx51_get_jack(struct snd_kcontrol *kcontrol, |
| 189 | struct snd_ctl_elem_value *ucontrol) |
| 190 | { |
| 191 | ucontrol->value.enumerated.item[0] = rx51_jack_func; |
| 192 | |
| 193 | return 0; |
| 194 | } |
| 195 | |
| 196 | static int rx51_set_jack(struct snd_kcontrol *kcontrol, |
| 197 | struct snd_ctl_elem_value *ucontrol) |
| 198 | { |
| 199 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
| 200 | |
| 201 | if (rx51_jack_func == ucontrol->value.enumerated.item[0]) |
| 202 | return 0; |
| 203 | |
| 204 | rx51_jack_func = ucontrol->value.enumerated.item[0]; |
| 205 | rx51_ext_control(&card->dapm); |
| 206 | |
| 207 | return 1; |
| 208 | } |
| 209 | |
| 210 | static struct snd_soc_jack rx51_av_jack; |
| 211 | |
| 212 | static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = { |
| 213 | { |
| 214 | .name = "avdet-gpio", |
| 215 | .report = SND_JACK_HEADSET, |
| 216 | .invert = 1, |
| 217 | .debounce_time = 200, |
| 218 | }, |
| 219 | }; |
| 220 | |
| 221 | static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = { |
| 222 | SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event), |
| 223 | SND_SOC_DAPM_MIC("DMic", NULL), |
| 224 | SND_SOC_DAPM_HP("Headphone Jack", NULL), |
| 225 | SND_SOC_DAPM_MIC("HS Mic", NULL), |
| 226 | SND_SOC_DAPM_LINE("FM Transmitter", NULL), |
| 227 | SND_SOC_DAPM_SPK("Earphone", NULL), |
| 228 | }; |
| 229 | |
| 230 | static const struct snd_soc_dapm_route audio_map[] = { |
| 231 | {"Ext Spk", NULL, "HPLOUT"}, |
| 232 | {"Ext Spk", NULL, "HPROUT"}, |
| 233 | {"Ext Spk", NULL, "HPLCOM"}, |
| 234 | {"Ext Spk", NULL, "HPRCOM"}, |
| 235 | {"FM Transmitter", NULL, "LLOUT"}, |
| 236 | {"FM Transmitter", NULL, "RLOUT"}, |
| 237 | |
| 238 | {"Headphone Jack", NULL, "TPA6130A2 HPLEFT"}, |
| 239 | {"Headphone Jack", NULL, "TPA6130A2 HPRIGHT"}, |
| 240 | {"TPA6130A2 LEFTIN", NULL, "LLOUT"}, |
| 241 | {"TPA6130A2 RIGHTIN", NULL, "RLOUT"}, |
| 242 | |
| 243 | {"DMic Rate 64", NULL, "DMic"}, |
| 244 | {"DMic", NULL, "Mic Bias"}, |
| 245 | |
| 246 | {"b LINE2R", NULL, "MONO_LOUT"}, |
| 247 | {"Earphone", NULL, "b HPLOUT"}, |
| 248 | |
| 249 | {"LINE1L", NULL, "HS Mic"}, |
| 250 | {"HS Mic", NULL, "b Mic Bias"}, |
| 251 | }; |
| 252 | |
| 253 | static const char * const spk_function[] = {"Off", "On"}; |
| 254 | static const char * const input_function[] = {"ADC", "Digital Mic"}; |
| 255 | static const char * const jack_function[] = { |
| 256 | "Off", "TV-OUT", "Headphone", "Headset" |
| 257 | }; |
| 258 | |
| 259 | static const struct soc_enum rx51_enum[] = { |
| 260 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function), |
| 261 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function), |
| 262 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function), |
| 263 | }; |
| 264 | |
| 265 | static const struct snd_kcontrol_new aic34_rx51_controls[] = { |
| 266 | SOC_ENUM_EXT("Speaker Function", rx51_enum[0], |
| 267 | rx51_get_spk, rx51_set_spk), |
| 268 | SOC_ENUM_EXT("Input Select", rx51_enum[1], |
| 269 | rx51_get_input, rx51_set_input), |
| 270 | SOC_ENUM_EXT("Jack Function", rx51_enum[2], |
| 271 | rx51_get_jack, rx51_set_jack), |
| 272 | SOC_DAPM_PIN_SWITCH("FM Transmitter"), |
| 273 | SOC_DAPM_PIN_SWITCH("Earphone"), |
| 274 | }; |
| 275 | |
| 276 | static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd) |
| 277 | { |
| 278 | struct snd_soc_card *card = rtd->card; |
| 279 | struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card); |
| 280 | int err; |
| 281 | |
| 282 | snd_soc_limit_volume(card, "TPA6130A2 Headphone Playback Volume", 42); |
| 283 | |
| 284 | err = omap_mcbsp_st_add_controls(rtd, 2); |
| 285 | if (err < 0) { |
| 286 | dev_err(card->dev, "Failed to add MCBSP controls\n"); |
| 287 | return err; |
| 288 | } |
| 289 | |
| 290 | /* AV jack detection */ |
| 291 | err = snd_soc_card_jack_new(rtd->card, "AV Jack", |
| 292 | SND_JACK_HEADSET | SND_JACK_VIDEOOUT, |
| 293 | &rx51_av_jack, NULL, 0); |
| 294 | if (err) { |
| 295 | dev_err(card->dev, "Failed to add AV Jack\n"); |
| 296 | return err; |
| 297 | } |
| 298 | |
| 299 | /* prepare gpio for snd_soc_jack_add_gpios */ |
| 300 | rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio); |
| 301 | devm_gpiod_put(card->dev, pdata->jack_detection_gpio); |
| 302 | |
| 303 | err = snd_soc_jack_add_gpios(&rx51_av_jack, |
| 304 | ARRAY_SIZE(rx51_av_jack_gpios), |
| 305 | rx51_av_jack_gpios); |
| 306 | if (err) { |
| 307 | dev_err(card->dev, "Failed to add GPIOs\n"); |
| 308 | return err; |
| 309 | } |
| 310 | |
| 311 | return err; |
| 312 | } |
| 313 | |
| 314 | static int rx51_card_remove(struct snd_soc_card *card) |
| 315 | { |
| 316 | snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios), |
| 317 | rx51_av_jack_gpios); |
| 318 | |
| 319 | return 0; |
| 320 | } |
| 321 | |
| 322 | /* Digital audio interface glue - connects codec <--> CPU */ |
| 323 | static struct snd_soc_dai_link rx51_dai[] = { |
| 324 | { |
| 325 | .name = "TLV320AIC34", |
| 326 | .stream_name = "AIC34", |
| 327 | .cpu_dai_name = "omap-mcbsp.2", |
| 328 | .codec_dai_name = "tlv320aic3x-hifi", |
| 329 | .platform_name = "omap-mcbsp.2", |
| 330 | .codec_name = "tlv320aic3x-codec.2-0018", |
| 331 | .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF | |
| 332 | SND_SOC_DAIFMT_CBM_CFM, |
| 333 | .init = rx51_aic34_init, |
| 334 | .ops = &rx51_ops, |
| 335 | }, |
| 336 | }; |
| 337 | |
| 338 | static struct snd_soc_aux_dev rx51_aux_dev[] = { |
| 339 | { |
| 340 | .name = "TLV320AIC34b", |
| 341 | .codec_name = "tlv320aic3x-codec.2-0019", |
| 342 | }, |
| 343 | { |
| 344 | .name = "TPA61320A2", |
| 345 | .codec_name = "tpa6130a2.2-0060", |
| 346 | }, |
| 347 | }; |
| 348 | |
| 349 | static struct snd_soc_codec_conf rx51_codec_conf[] = { |
| 350 | { |
| 351 | .dev_name = "tlv320aic3x-codec.2-0019", |
| 352 | .name_prefix = "b", |
| 353 | }, |
| 354 | { |
| 355 | .dev_name = "tpa6130a2.2-0060", |
| 356 | .name_prefix = "TPA6130A2", |
| 357 | }, |
| 358 | }; |
| 359 | |
| 360 | /* Audio card */ |
| 361 | static struct snd_soc_card rx51_sound_card = { |
| 362 | .name = "RX-51", |
| 363 | .owner = THIS_MODULE, |
| 364 | .remove = rx51_card_remove, |
| 365 | .dai_link = rx51_dai, |
| 366 | .num_links = ARRAY_SIZE(rx51_dai), |
| 367 | .aux_dev = rx51_aux_dev, |
| 368 | .num_aux_devs = ARRAY_SIZE(rx51_aux_dev), |
| 369 | .codec_conf = rx51_codec_conf, |
| 370 | .num_configs = ARRAY_SIZE(rx51_codec_conf), |
| 371 | .fully_routed = true, |
| 372 | |
| 373 | .controls = aic34_rx51_controls, |
| 374 | .num_controls = ARRAY_SIZE(aic34_rx51_controls), |
| 375 | .dapm_widgets = aic34_dapm_widgets, |
| 376 | .num_dapm_widgets = ARRAY_SIZE(aic34_dapm_widgets), |
| 377 | .dapm_routes = audio_map, |
| 378 | .num_dapm_routes = ARRAY_SIZE(audio_map), |
| 379 | }; |
| 380 | |
| 381 | static int rx51_soc_probe(struct platform_device *pdev) |
| 382 | { |
| 383 | struct rx51_audio_pdata *pdata; |
| 384 | struct device_node *np = pdev->dev.of_node; |
| 385 | struct snd_soc_card *card = &rx51_sound_card; |
| 386 | int err; |
| 387 | |
| 388 | if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900")) |
| 389 | return -ENODEV; |
| 390 | |
| 391 | card->dev = &pdev->dev; |
| 392 | |
| 393 | if (np) { |
| 394 | struct device_node *dai_node; |
| 395 | |
| 396 | dai_node = of_parse_phandle(np, "nokia,cpu-dai", 0); |
| 397 | if (!dai_node) { |
| 398 | dev_err(&pdev->dev, "McBSP node is not provided\n"); |
| 399 | return -EINVAL; |
| 400 | } |
| 401 | rx51_dai[0].cpu_dai_name = NULL; |
| 402 | rx51_dai[0].platform_name = NULL; |
| 403 | rx51_dai[0].cpu_of_node = dai_node; |
| 404 | rx51_dai[0].platform_of_node = dai_node; |
| 405 | |
| 406 | dai_node = of_parse_phandle(np, "nokia,audio-codec", 0); |
| 407 | if (!dai_node) { |
| 408 | dev_err(&pdev->dev, "Codec node is not provided\n"); |
| 409 | return -EINVAL; |
| 410 | } |
| 411 | rx51_dai[0].codec_name = NULL; |
| 412 | rx51_dai[0].codec_of_node = dai_node; |
| 413 | |
| 414 | dai_node = of_parse_phandle(np, "nokia,audio-codec", 1); |
| 415 | if (!dai_node) { |
| 416 | dev_err(&pdev->dev, "Auxiliary Codec node is not provided\n"); |
| 417 | return -EINVAL; |
| 418 | } |
| 419 | rx51_aux_dev[0].codec_name = NULL; |
| 420 | rx51_aux_dev[0].codec_of_node = dai_node; |
| 421 | rx51_codec_conf[0].dev_name = NULL; |
| 422 | rx51_codec_conf[0].of_node = dai_node; |
| 423 | |
| 424 | dai_node = of_parse_phandle(np, "nokia,headphone-amplifier", 0); |
| 425 | if (!dai_node) { |
| 426 | dev_err(&pdev->dev, "Headphone amplifier node is not provided\n"); |
| 427 | return -EINVAL; |
| 428 | } |
| 429 | rx51_aux_dev[1].codec_name = NULL; |
| 430 | rx51_aux_dev[1].codec_of_node = dai_node; |
| 431 | rx51_codec_conf[1].dev_name = NULL; |
| 432 | rx51_codec_conf[1].of_node = dai_node; |
| 433 | } |
| 434 | |
| 435 | pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); |
| 436 | if (pdata == NULL) { |
| 437 | dev_err(card->dev, "failed to create private data\n"); |
| 438 | return -ENOMEM; |
| 439 | } |
| 440 | snd_soc_card_set_drvdata(card, pdata); |
| 441 | |
| 442 | pdata->tvout_selection_gpio = devm_gpiod_get(card->dev, |
| 443 | "tvout-selection", |
| 444 | GPIOD_OUT_LOW); |
| 445 | if (IS_ERR(pdata->tvout_selection_gpio)) { |
| 446 | dev_err(card->dev, "could not get tvout selection gpio\n"); |
| 447 | return PTR_ERR(pdata->tvout_selection_gpio); |
| 448 | } |
| 449 | |
| 450 | pdata->jack_detection_gpio = devm_gpiod_get(card->dev, |
| 451 | "jack-detection", |
| 452 | GPIOD_ASIS); |
| 453 | if (IS_ERR(pdata->jack_detection_gpio)) { |
| 454 | dev_err(card->dev, "could not get jack detection gpio\n"); |
| 455 | return PTR_ERR(pdata->jack_detection_gpio); |
| 456 | } |
| 457 | |
| 458 | pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch", |
| 459 | GPIOD_OUT_HIGH); |
| 460 | if (IS_ERR(pdata->eci_sw_gpio)) { |
| 461 | dev_err(card->dev, "could not get eci switch gpio\n"); |
| 462 | return PTR_ERR(pdata->eci_sw_gpio); |
| 463 | } |
| 464 | |
| 465 | pdata->speaker_amp_gpio = devm_gpiod_get(card->dev, |
| 466 | "speaker-amplifier", |
| 467 | GPIOD_OUT_LOW); |
| 468 | if (IS_ERR(pdata->speaker_amp_gpio)) { |
| 469 | dev_err(card->dev, "could not get speaker enable gpio\n"); |
| 470 | return PTR_ERR(pdata->speaker_amp_gpio); |
| 471 | } |
| 472 | |
| 473 | err = devm_snd_soc_register_card(card->dev, card); |
| 474 | if (err) { |
| 475 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err); |
| 476 | return err; |
| 477 | } |
| 478 | |
| 479 | return 0; |
| 480 | } |
| 481 | |
| 482 | #if defined(CONFIG_OF) |
| 483 | static const struct of_device_id rx51_audio_of_match[] = { |
| 484 | { .compatible = "nokia,n900-audio", }, |
| 485 | {}, |
| 486 | }; |
| 487 | MODULE_DEVICE_TABLE(of, rx51_audio_of_match); |
| 488 | #endif |
| 489 | |
| 490 | static struct platform_driver rx51_soc_driver = { |
| 491 | .driver = { |
| 492 | .name = "rx51-audio", |
| 493 | .of_match_table = of_match_ptr(rx51_audio_of_match), |
| 494 | }, |
| 495 | .probe = rx51_soc_probe, |
| 496 | }; |
| 497 | |
| 498 | module_platform_driver(rx51_soc_driver); |
| 499 | |
| 500 | MODULE_AUTHOR("Nokia Corporation"); |
| 501 | MODULE_DESCRIPTION("ALSA SoC Nokia RX-51"); |
| 502 | MODULE_LICENSE("GPL"); |
| 503 | MODULE_ALIAS("platform:rx51-audio"); |