git.librecmc.org Git - oweals/openwrt.git/blob

   1 From 3150326498ba9388b85e5af2c8fcfeafc46eeaad Mon Sep 17 00:00:00 2001
   2 From: GT <dev@3d-lab-av.com>
   3 Date: Sat, 6 Apr 2019 21:16:39 +0100
   4 Subject: [PATCH] ASoC: decommissioning driver for 3Dlab Nano soundcard
   5
   6 ---
   7  .../overlays/3dlab-nano-player-overlay.dts    |  32 --
   8  arch/arm/boot/dts/overlays/Makefile           |   1 -
   9  arch/arm/boot/dts/overlays/README             |   6 -
  10  sound/soc/bcm/3dlab-nano-player.c             | 370 ------------------
  11  sound/soc/bcm/Kconfig                         |   6 -
  12  sound/soc/bcm/Makefile                        |   6 +-
  13  8 files changed, 2 insertions(+), 421 deletions(-)
  14  delete mode 100644 arch/arm/boot/dts/overlays/3dlab-nano-player-overlay.dts
  15  delete mode 100644 sound/soc/bcm/3dlab-nano-player.c
  16
  17 --- a/arch/arm/boot/dts/overlays/3dlab-nano-player-overlay.dts
  18 +++ /dev/null
  19 @@ -1,32 +0,0 @@
  20 -// Definitions for 3Dlab Nano Player
  21 -/dts-v1/;
  22 -/plugin/;
  23 -
  24 -/ {
  25 -       compatible = "brcm,bcm2708";
  26 -
  27 -       fragment@0 {
  28 -               target = <&i2s>;
  29 -               __overlay__ {
  30 -                       status = "okay";
  31 -               };
  32 -       };
  33 -
  34 -       fragment@1 {
  35 -               target = <&i2c>;
  36 -               __overlay__ {
  37 -                       #address-cells = <1>;
  38 -                       #size-cells = <0>;
  39 -                       status = "okay";
  40 -
  41 -                       nano-player@41 {
  42 -                               compatible = "3dlab,nano-player";
  43 -                               reg = <0x41>;
  44 -                               i2s-controller = <&i2s>;
  45 -                               status = "okay";
  46 -                       };
  47 -               };
  48 -       };
  49 -};
  50 -
  51 -// EOF
  52 --- a/arch/arm/boot/dts/overlays/Makefile
  53 +++ b/arch/arm/boot/dts/overlays/Makefile
  54 @@ -1,7 +1,6 @@
  55  # Overlays for the Raspberry Pi platform
  56
  57  dtbo-$(CONFIG_ARCH_BCM2835) += \
  58 -       3dlab-nano-player.dtbo \
  59         adau1977-adc.dtbo \
  60         adau7002-simple.dtbo \
  61         ads1015.dtbo \
  62 --- a/arch/arm/boot/dts/overlays/README
  63 +++ b/arch/arm/boot/dts/overlays/README
  64 @@ -205,12 +205,6 @@ Params:
  65          and the other i2c baudrate parameters.
  66
  67
  68 -Name:   3dlab-nano-player
  69 -Info:   Configures the 3Dlab Nano Player
  70 -Load:   dtoverlay=3dlab-nano-player
  71 -Params: <None>
  72 -
  73 -
  74  Name:   adau1977-adc
  75  Info:   Overlay for activation of ADAU1977 ADC codec over I2C for control
  76          and I2S for data.
  77 --- a/sound/soc/bcm/3dlab-nano-player.c
  78 +++ /dev/null
  79 @@ -1,370 +0,0 @@
  80 -/*
  81 - * 3Dlab Nano Player ALSA SoC Audio driver.
  82 - *
  83 - * Copyright (C) 2018 3Dlab.
  84 - *
  85 - * Author: GT <dev@3d-lab-av.com>
  86 - *
  87 - * This program is free software; you can redistribute it and/or
  88 - * modify it under the terms of the GNU General Public License
  89 - * version 2 as published by the Free Software Foundation.
  90 - *
  91 - * This program is distributed in the hope that it will be useful, but
  92 - * WITHOUT ANY WARRANTY; without even the implied warranty of
  93 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  94 - * General Public License for more details.
  95 - */
  96 -
  97 -#include <linux/module.h>
  98 -#include <linux/i2c.h>
  99 -#include <sound/soc.h>
 100 -#include <sound/pcm.h>
 101 -#include <sound/pcm_params.h>
 102 -#include <sound/control.h>
 103 -
 104 -#define NANO_ID                0x00
 105 -#define NANO_VER       0x01
 106 -#define NANO_CFG       0x02
 107 -#define NANO_STATUS    0x03
 108 -#define NANO_SPI_ADDR  0x04
 109 -#define NANO_SPI_DATA  0x05
 110 -
 111 -#define NANO_ID_VAL    0x3D
 112 -#define NANO_CFG_OFF   0x00
 113 -#define NANO_CFG_MULT1 0
 114 -#define NANO_CFG_MULT2 1
 115 -#define NANO_CFG_MULT4 2
 116 -#define NANO_CFG_MULT8 3
 117 -#define NANO_CFG_MULT16        4
 118 -#define NANO_CFG_CLK22 0
 119 -#define NANO_CFG_CLK24 BIT(3)
 120 -#define NANO_CFG_DSD   BIT(4)
 121 -#define NANO_CFG_ENA   BIT(5)
 122 -#define NANO_CFG_BLINK BIT(6)
 123 -#define NANO_STATUS_P1  BIT(0)
 124 -#define NANO_STATUS_P2  BIT(1)
 125 -#define NANO_STATUS_FLG BIT(2)
 126 -#define NANO_STATUS_CLK BIT(3)
 127 -#define NANO_SPI_READ  0
 128 -#define NANO_SPI_WRITE BIT(5)
 129 -
 130 -#define NANO_DAC_CTRL1 0x00
 131 -#define NANO_DAC_CTRL2 0x01
 132 -#define NANO_DAC_CTRL3 0x02
 133 -#define NANO_DAC_LATT  0x03
 134 -#define NANO_DAC_RATT  0x04
 135 -
 136 -#define NANO_CTRL2_VAL 0x22
 137 -
 138 -static int nano_player_spi_write(struct regmap *map,
 139 -                                unsigned int reg, unsigned int val)
 140 -{
 141 -       /* indirect register access */
 142 -       regmap_write(map, NANO_SPI_DATA, val);
 143 -       regmap_write(map, NANO_SPI_ADDR, reg | NANO_SPI_WRITE);
 144 -       return 0;
 145 -}
 146 -
 147 -static int nano_player_ctrl_info(struct snd_kcontrol *kcontrol,
 148 -                                struct snd_ctl_elem_info *uinfo)
 149 -{
 150 -       /* describe control element */
 151 -       if (strstr(kcontrol->id.name, "Volume")) {
 152 -               uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 153 -               uinfo->count = 1;
 154 -               uinfo->value.integer.min = 0;
 155 -               uinfo->value.integer.max = 100;
 156 -       } else {
 157 -               uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 158 -               uinfo->count = 1;
 159 -               uinfo->value.integer.min = 0;
 160 -               uinfo->value.integer.max = 1;
 161 -       }
 162 -
 163 -       return 0;
 164 -}
 165 -
 166 -static int nano_player_ctrl_put(struct snd_kcontrol *kcontrol,
 167 -                               struct snd_ctl_elem_value *ucontrol)
 168 -{
 169 -       /* program control value to hardware */
 170 -       struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
 171 -       struct regmap *regmap = snd_soc_card_get_drvdata(card);
 172 -
 173 -       if (strstr(kcontrol->id.name, "Volume")) {
 174 -               unsigned int vol = ucontrol->value.integer.value[0];
 175 -               unsigned int att = 255 - (2 * (100 - vol));
 176 -
 177 -               nano_player_spi_write(regmap, NANO_DAC_LATT, att);
 178 -               nano_player_spi_write(regmap, NANO_DAC_RATT, att);
 179 -               kcontrol->private_value = vol;
 180 -       } else {
 181 -               unsigned int mute = ucontrol->value.integer.value[0];
 182 -               unsigned int reg = NANO_CTRL2_VAL | mute;
 183 -
 184 -               nano_player_spi_write(regmap, NANO_DAC_CTRL2, reg);
 185 -               kcontrol->private_value = mute;
 186 -       }
 187 -       return 0;
 188 -}
 189 -
 190 -static int nano_player_ctrl_get(struct snd_kcontrol *kcontrol,
 191 -                               struct snd_ctl_elem_value *ucontrol)
 192 -{
 193 -       /* return last programmed value */
 194 -       ucontrol->value.integer.value[0] = kcontrol->private_value;
 195 -       return 0;
 196 -}
 197 -
 198 -#define SOC_NANO_PLAYER_CTRL(xname) \
 199 -{      .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 200 -       .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 201 -       .info = nano_player_ctrl_info, \
 202 -       .put = nano_player_ctrl_put, \
 203 -       .get = nano_player_ctrl_get }
 204 -
 205 -static const struct snd_kcontrol_new nano_player_controls[] = {
 206 -       SOC_NANO_PLAYER_CTRL("Master Playback Volume"),
 207 -       SOC_NANO_PLAYER_CTRL("Master Playback Switch"),
 208 -};
 209 -
 210 -static const unsigned int nano_player_rates[] = {
 211 -       44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000,
 212 -       705600, 768000 /* only possible with fast clocks */
 213 -};
 214 -
 215 -static struct snd_pcm_hw_constraint_list nano_player_constraint_rates = {
 216 -       .list   = nano_player_rates,
 217 -       .count  = ARRAY_SIZE(nano_player_rates),
 218 -};
 219 -
 220 -static int nano_player_init(struct snd_soc_pcm_runtime *rtd)
 221 -{
 222 -       struct snd_soc_card *card = rtd->card;
 223 -       struct regmap *regmap = snd_soc_card_get_drvdata(card);
 224 -       struct snd_soc_pcm_stream *cpu = &rtd->cpu_dai->driver->playback;
 225 -       struct snd_soc_pcm_stream *codec = &rtd->codec_dai->driver->playback;
 226 -       unsigned int sample_bits = 32;
 227 -       unsigned int val;
 228 -
 229 -       /* configure cpu dai */
 230 -       cpu->formats |= SNDRV_PCM_FMTBIT_DSD_U32_LE;
 231 -       cpu->rate_max = 768000;
 232 -
 233 -       /* configure dummy codec dai */
 234 -       codec->rate_min = 44100;
 235 -       codec->rates = SNDRV_PCM_RATE_KNOT;
 236 -       codec->formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_DSD_U32_LE;
 237 -
 238 -       /* configure max supported rate */
 239 -       regmap_read(regmap, NANO_STATUS, &val);
 240 -       if (val & NANO_STATUS_CLK) {
 241 -               dev_notice(card->dev, "Board with fast clocks installed\n");
 242 -               codec->rate_max = 768000;
 243 -       } else {
 244 -               dev_notice(card->dev, "Board with normal clocks installed\n");
 245 -               codec->rate_max = 384000;
 246 -       }
 247 -
 248 -       /* frame length enforced by hardware */
 249 -       return snd_soc_dai_set_bclk_ratio(rtd->cpu_dai, sample_bits * 2);
 250 -}
 251 -
 252 -static int nano_player_startup(struct snd_pcm_substream *substream)
 253 -{
 254 -       return snd_pcm_hw_constraint_list(substream->runtime, 0,
 255 -                                         SNDRV_PCM_HW_PARAM_RATE,
 256 -                                         &nano_player_constraint_rates);
 257 -}
 258 -
 259 -static int nano_player_hw_params(struct snd_pcm_substream *substream,
 260 -                                struct snd_pcm_hw_params *params)
 261 -{
 262 -       struct snd_soc_pcm_runtime *rtd = substream->private_data;
 263 -       struct snd_soc_card *card = rtd->card;
 264 -       struct regmap *regmap = snd_soc_card_get_drvdata(card);
 265 -       unsigned int config = NANO_CFG_ENA;
 266 -       struct snd_mask *fmt;
 267 -
 268 -       /* configure PCM or DSD */
 269 -       fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 270 -       if (snd_mask_test(fmt, SNDRV_PCM_FORMAT_DSD_U32_LE)) {
 271 -               /* embed DSD in PCM data */
 272 -               snd_mask_none(fmt);
 273 -               snd_mask_set(fmt, SNDRV_PCM_FORMAT_S32_LE);
 274 -               /* enable DSD mode */
 275 -               config |= NANO_CFG_DSD;
 276 -       }
 277 -
 278 -       /* configure clocks */
 279 -       switch (params_rate(params)) {
 280 -       case 44100:
 281 -               config |= NANO_CFG_MULT1 | NANO_CFG_CLK22;
 282 -               break;
 283 -       case 88200:
 284 -               config |= NANO_CFG_MULT2 | NANO_CFG_CLK22;
 285 -               break;
 286 -       case 176400:
 287 -               config |= NANO_CFG_MULT4 | NANO_CFG_CLK22;
 288 -               break;
 289 -       case 352800:
 290 -               config |= NANO_CFG_MULT8 | NANO_CFG_CLK22;
 291 -               break;
 292 -       case 705600:
 293 -               config |= NANO_CFG_MULT16 | NANO_CFG_CLK22;
 294 -               break;
 295 -       case 48000:
 296 -               config |= NANO_CFG_MULT1 | NANO_CFG_CLK24;
 297 -               break;
 298 -       case 96000:
 299 -               config |= NANO_CFG_MULT2 | NANO_CFG_CLK24;
 300 -               break;
 301 -       case 192000:
 302 -               config |= NANO_CFG_MULT4 | NANO_CFG_CLK24;
 303 -               break;
 304 -       case 384000:
 305 -               config |= NANO_CFG_MULT8 | NANO_CFG_CLK24;
 306 -               break;
 307 -       case 768000:
 308 -               config |= NANO_CFG_MULT16 | NANO_CFG_CLK24;
 309 -               break;
 310 -       default:
 311 -               return -EINVAL;
 312 -       }
 313 -
 314 -       dev_dbg(card->dev, "Send CFG register 0x%02X\n", config);
 315 -       return regmap_write(regmap, NANO_CFG, config);
 316 -}
 317 -
 318 -static struct snd_soc_ops nano_player_ops = {
 319 -       .startup        = nano_player_startup,
 320 -       .hw_params      = nano_player_hw_params,
 321 -};
 322 -
 323 -static struct snd_soc_dai_link nano_player_link = {
 324 -       .name           = "3Dlab Nano Player",
 325 -       .stream_name    = "3Dlab Nano Player HiFi",
 326 -       .platform_name  = "bcm2708-i2s.0",
 327 -       .cpu_dai_name   = "bcm2708-i2s.0",
 328 -       .codec_name     = "snd-soc-dummy",
 329 -       .codec_dai_name = "snd-soc-dummy-dai",
 330 -       .dai_fmt        = SND_SOC_DAIFMT_I2S |
 331 -                         SND_SOC_DAIFMT_CONT |
 332 -                         SND_SOC_DAIFMT_NB_NF |
 333 -                         SND_SOC_DAIFMT_CBM_CFM,
 334 -       .init           = nano_player_init,
 335 -       .ops            = &nano_player_ops,
 336 -};
 337 -
 338 -static const struct regmap_config nano_player_regmap = {
 339 -       .reg_bits       = 8,
 340 -       .val_bits       = 8,
 341 -       .max_register   = 128,
 342 -       .cache_type     = REGCACHE_RBTREE,
 343 -};
 344 -
 345 -static int nano_player_card_probe(struct snd_soc_card *card)
 346 -{
 347 -       struct regmap *regmap = snd_soc_card_get_drvdata(card);
 348 -       unsigned int val;
 349 -
 350 -       /* check hardware integrity */
 351 -       regmap_read(regmap, NANO_ID, &val);
 352 -       if (val != NANO_ID_VAL) {
 353 -               dev_err(card->dev, "Invalid ID register 0x%02X\n", val);
 354 -               return -ENODEV;
 355 -       }
 356 -
 357 -       /* report version to the user */
 358 -       regmap_read(regmap, NANO_VER, &val);
 359 -       dev_notice(card->dev, "Started 3Dlab Nano Player driver (v%d)\n", val);
 360 -
 361 -       /* enable internal audio bus and blink status LED */
 362 -       return regmap_write(regmap, NANO_CFG, NANO_CFG_ENA | NANO_CFG_BLINK);
 363 -}
 364 -
 365 -static int nano_player_card_remove(struct snd_soc_card *card)
 366 -{
 367 -       /* disable internal audio bus */
 368 -       struct regmap *regmap = snd_soc_card_get_drvdata(card);
 369 -
 370 -       return regmap_write(regmap, NANO_CFG, NANO_CFG_OFF);
 371 -}
 372 -
 373 -static struct snd_soc_card nano_player_card = {
 374 -       .name           = "3Dlab_Nano_Player",
 375 -       .owner          = THIS_MODULE,
 376 -       .dai_link       = &nano_player_link,
 377 -       .num_links      = 1,
 378 -       .controls       = nano_player_controls,
 379 -       .num_controls   = ARRAY_SIZE(nano_player_controls),
 380 -       .probe          = nano_player_card_probe,
 381 -       .remove         = nano_player_card_remove,
 382 -};
 383 -
 384 -static int nano_player_i2c_probe(struct i2c_client *i2c,
 385 -                                const struct i2c_device_id *id)
 386 -{
 387 -       struct regmap *regmap;
 388 -       int ret;
 389 -
 390 -       regmap = devm_regmap_init_i2c(i2c, &nano_player_regmap);
 391 -       if (IS_ERR(regmap)) {
 392 -               ret = PTR_ERR(regmap);
 393 -               dev_err(&i2c->dev, "Failed to init regmap %d\n", ret);
 394 -               return ret;
 395 -       }
 396 -
 397 -       if (i2c->dev.of_node) {
 398 -               struct snd_soc_dai_link *dai = &nano_player_link;
 399 -               struct device_node *node;
 400 -
 401 -               /* cpu handle configured by device tree */
 402 -               node = of_parse_phandle(i2c->dev.of_node, "i2s-controller", 0);
 403 -               if (node) {
 404 -                       dai->platform_name = NULL;
 405 -                       dai->platform_of_node = node;
 406 -                       dai->cpu_dai_name = NULL;
 407 -                       dai->cpu_of_node = node;
 408 -               }
 409 -       }
 410 -
 411 -       nano_player_card.dev = &i2c->dev;
 412 -       snd_soc_card_set_drvdata(&nano_player_card, regmap);
 413 -       ret = devm_snd_soc_register_card(&i2c->dev, &nano_player_card);
 414 -
 415 -       if (ret && ret != -EPROBE_DEFER)
 416 -               dev_err(&i2c->dev, "Failed to register card %d\n", ret);
 417 -
 418 -       return ret;
 419 -}
 420 -
 421 -static const struct of_device_id nano_player_of_match[] = {
 422 -       { .compatible = "3dlab,nano-player", },
 423 -       { }
 424 -};
 425 -MODULE_DEVICE_TABLE(of, nano_player_of_match);
 426 -
 427 -static const struct i2c_device_id nano_player_i2c_id[] = {
 428 -       { "nano-player", 0 },
 429 -       { }
 430 -};
 431 -MODULE_DEVICE_TABLE(i2c, nano_player_i2c_id);
 432 -
 433 -static struct i2c_driver nano_player_i2c_driver = {
 434 -       .probe          = nano_player_i2c_probe,
 435 -       .id_table       = nano_player_i2c_id,
 436 -       .driver         = {
 437 -               .name           = "nano-player",
 438 -               .owner          = THIS_MODULE,
 439 -               .of_match_table = nano_player_of_match,
 440 -       },
 441 -};
 442 -
 443 -module_i2c_driver(nano_player_i2c_driver);
 444 -
 445 -MODULE_DESCRIPTION("ASoC 3Dlab Nano Player driver");
 446 -MODULE_AUTHOR("GT <dev@3d-lab-av.com>");
 447 -MODULE_LICENSE("GPL v2");
 448 -
 449 -/* EOF */
 450 --- a/sound/soc/bcm/Kconfig
 451 +++ b/sound/soc/bcm/Kconfig
 452 @@ -17,12 +17,6 @@ config SND_SOC_CYGNUS
 453
 454           If you don't know what to do here, say N.
 455
 456 -config SND_BCM2708_SOC_3DLAB_NANO_PLAYER
 457 -       tristate "Support for 3Dlab Nano Player"
 458 -       depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
 459 -       help
 460 -         Say Y or M if you want to add support for 3Dlab Nano Player.
 461 -
 462  config SND_BCM2708_SOC_GOOGLEVOICEHAT_SOUNDCARD
 463         tristate "Support for Google voiceHAT soundcard"
 464         depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
 465 --- a/sound/soc/bcm/Makefile
 466 +++ b/sound/soc/bcm/Makefile
 467 @@ -12,7 +12,6 @@ obj-$(CONFIG_SND_SOC_CYGNUS) += snd-soc-
 468  snd-soc-googlevoicehat-codec-objs := googlevoicehat-codec.o
 469
 470  # BCM2708 Machine Support
 471 -snd-soc-3dlab-nano-player-objs := 3dlab-nano-player.o
 472  snd-soc-hifiberry-dacplus-objs := hifiberry_dacplus.o
 473  snd-soc-hifiberry-dacplusadc-objs := hifiberry_dacplusadc.o
 474  snd-soc-justboom-dac-objs := justboom-dac.o
 475 @@ -20,7 +19,7 @@ snd-soc-rpi-cirrus-objs := rpi-cirrus.o
 476  snd-soc-rpi-proto-objs := rpi-proto.o
 477  snd-soc-iqaudio-codec-objs := iqaudio-codec.o
 478  snd-soc-iqaudio-dac-objs := iqaudio-dac.o
 479 - snd-soc-i-sabre-q2m-objs := i-sabre-q2m.o
 480 +snd-soc-i-sabre-q2m-objs := i-sabre-q2m.o
 481  snd-soc-audioinjector-pi-soundcard-objs := audioinjector-pi-soundcard.o
 482  snd-soc-audioinjector-octo-soundcard-objs := audioinjector-octo-soundcard.o
 483  snd-soc-audiosense-pi-objs := audiosense-pi.o
 484 @@ -36,7 +35,6 @@ snd-soc-fe-pi-audio-objs := fe-pi-audio.
 485  snd-soc-rpi-simple-soundcard-objs := rpi-simple-soundcard.o
 486  snd-soc-rpi-wm8804-soundcard-objs := rpi-wm8804-soundcard.o
 487
 488 -obj-$(CONFIG_SND_BCM2708_SOC_3DLAB_NANO_PLAYER) += snd-soc-3dlab-nano-player.o
 489  obj-$(CONFIG_SND_BCM2708_SOC_GOOGLEVOICEHAT_SOUNDCARD)  += snd-soc-googlevoicehat-codec.o
 490  obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) += snd-soc-hifiberry-dacplus.o
 491  obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSADC) += snd-soc-hifiberry-dacplusadc.o
 492 @@ -45,7 +43,7 @@ obj-$(CONFIG_SND_BCM2708_SOC_RPI_CIRRUS)
 493  obj-$(CONFIG_SND_BCM2708_SOC_RPI_PROTO) += snd-soc-rpi-proto.o
 494  obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_CODEC) += snd-soc-iqaudio-codec.o
 495  obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) += snd-soc-iqaudio-dac.o
 496 - obj-$(CONFIG_SND_BCM2708_SOC_I_SABRE_Q2M) += snd-soc-i-sabre-q2m.o
 497 +obj-$(CONFIG_SND_BCM2708_SOC_I_SABRE_Q2M) += snd-soc-i-sabre-q2m.o
 498  obj-$(CONFIG_SND_AUDIOINJECTOR_PI_SOUNDCARD) += snd-soc-audioinjector-pi-soundcard.o
 499  obj-$(CONFIG_SND_AUDIOINJECTOR_OCTO_SOUNDCARD) += snd-soc-audioinjector-octo-soundcard.o
 500  obj-$(CONFIG_SND_AUDIOSENSE_PI) += snd-soc-audiosense-pi.o