1b86ef536SViorel Suman // SPDX-License-Identifier: GPL-2.0 2b86ef536SViorel Suman /* 3b86ef536SViorel Suman * Copyright 2017 NXP 4b86ef536SViorel Suman * 5b86ef536SViorel Suman * The code contained herein is licensed under the GNU General Public 6b86ef536SViorel Suman * License. You may obtain a copy of the GNU General Public License 7b86ef536SViorel Suman * Version 2 or later at the following locations: 8b86ef536SViorel Suman * 91ce8f643SAlexander A. Klimov * https://www.opensource.org/licenses/gpl-license.html 101ce8f643SAlexander A. Klimov * https://www.gnu.org/copyleft/gpl.html 11b86ef536SViorel Suman */ 12b86ef536SViorel Suman 13b86ef536SViorel Suman #include <linux/module.h> 14b86ef536SViorel Suman #include <linux/of_platform.h> 15b86ef536SViorel Suman #include <linux/clk.h> 16b86ef536SViorel Suman #include <sound/soc.h> 17b86ef536SViorel Suman #include <sound/soc-dapm.h> 18b86ef536SViorel Suman #include "fsl_sai.h" 19b86ef536SViorel Suman #include "fsl_audmix.h" 20b86ef536SViorel Suman 21b86ef536SViorel Suman struct imx_audmix { 22b86ef536SViorel Suman struct platform_device *pdev; 23b86ef536SViorel Suman struct snd_soc_card card; 24b86ef536SViorel Suman struct platform_device *audmix_pdev; 25b86ef536SViorel Suman struct platform_device *out_pdev; 26b86ef536SViorel Suman struct clk *cpu_mclk; 27b86ef536SViorel Suman int num_dai; 28b86ef536SViorel Suman struct snd_soc_dai_link *dai; 29b86ef536SViorel Suman int num_dai_conf; 30b86ef536SViorel Suman struct snd_soc_codec_conf *dai_conf; 31b86ef536SViorel Suman int num_dapm_routes; 32b86ef536SViorel Suman struct snd_soc_dapm_route *dapm_routes; 33b86ef536SViorel Suman }; 34b86ef536SViorel Suman 35b86ef536SViorel Suman static const u32 imx_audmix_rates[] = { 36b86ef536SViorel Suman 8000, 12000, 16000, 24000, 32000, 48000, 64000, 96000, 37b86ef536SViorel Suman }; 38b86ef536SViorel Suman 39b86ef536SViorel Suman static const struct snd_pcm_hw_constraint_list imx_audmix_rate_constraints = { 40b86ef536SViorel Suman .count = ARRAY_SIZE(imx_audmix_rates), 41b86ef536SViorel Suman .list = imx_audmix_rates, 42b86ef536SViorel Suman }; 43b86ef536SViorel Suman 44b86ef536SViorel Suman static int imx_audmix_fe_startup(struct snd_pcm_substream *substream) 45b86ef536SViorel Suman { 4614ec63f6SKuninori Morimoto struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 47b86ef536SViorel Suman struct imx_audmix *priv = snd_soc_card_get_drvdata(rtd->card); 48b86ef536SViorel Suman struct snd_pcm_runtime *runtime = substream->runtime; 49b86ef536SViorel Suman struct device *dev = rtd->card->dev; 50b86ef536SViorel Suman unsigned long clk_rate = clk_get_rate(priv->cpu_mclk); 51b86ef536SViorel Suman int ret; 52b86ef536SViorel Suman 53b86ef536SViorel Suman if (clk_rate % 24576000 == 0) { 54b86ef536SViorel Suman ret = snd_pcm_hw_constraint_list(runtime, 0, 55b86ef536SViorel Suman SNDRV_PCM_HW_PARAM_RATE, 56b86ef536SViorel Suman &imx_audmix_rate_constraints); 57b86ef536SViorel Suman if (ret < 0) 58b86ef536SViorel Suman return ret; 59b86ef536SViorel Suman } else { 60b86ef536SViorel Suman dev_warn(dev, "mclk may be not supported %lu\n", clk_rate); 61b86ef536SViorel Suman } 62b86ef536SViorel Suman 63b86ef536SViorel Suman ret = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 64b86ef536SViorel Suman 1, 8); 65b86ef536SViorel Suman if (ret < 0) 66b86ef536SViorel Suman return ret; 67b86ef536SViorel Suman 68b86ef536SViorel Suman return snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT, 69b86ef536SViorel Suman FSL_AUDMIX_FORMATS); 70b86ef536SViorel Suman } 71b86ef536SViorel Suman 72b86ef536SViorel Suman static int imx_audmix_fe_hw_params(struct snd_pcm_substream *substream, 73b86ef536SViorel Suman struct snd_pcm_hw_params *params) 74b86ef536SViorel Suman { 7514ec63f6SKuninori Morimoto struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 76b86ef536SViorel Suman struct device *dev = rtd->card->dev; 77b86ef536SViorel Suman bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; 78b86ef536SViorel Suman unsigned int fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF; 79b86ef536SViorel Suman u32 channels = params_channels(params); 80b86ef536SViorel Suman int ret, dir; 81b86ef536SViorel Suman 82bf101022SMark Brown /* For playback the AUDMIX is consumer, and for record is provider */ 833b14c15aSCharles Keepax fmt |= tx ? SND_SOC_DAIFMT_BP_FP : SND_SOC_DAIFMT_BC_FC; 84b86ef536SViorel Suman dir = tx ? SND_SOC_CLOCK_OUT : SND_SOC_CLOCK_IN; 85b86ef536SViorel Suman 86b86ef536SViorel Suman /* set DAI configuration */ 8714ec63f6SKuninori Morimoto ret = snd_soc_dai_set_fmt(snd_soc_rtd_to_cpu(rtd, 0), fmt); 88b86ef536SViorel Suman if (ret) { 89b86ef536SViorel Suman dev_err(dev, "failed to set cpu dai fmt: %d\n", ret); 90b86ef536SViorel Suman return ret; 91b86ef536SViorel Suman } 92b86ef536SViorel Suman 9314ec63f6SKuninori Morimoto ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_cpu(rtd, 0), FSL_SAI_CLK_MAST1, 0, dir); 94b86ef536SViorel Suman if (ret) { 95b86ef536SViorel Suman dev_err(dev, "failed to set cpu sysclk: %d\n", ret); 96b86ef536SViorel Suman return ret; 97b86ef536SViorel Suman } 98b86ef536SViorel Suman 99b86ef536SViorel Suman /* 100b86ef536SViorel Suman * Per datasheet, AUDMIX expects 8 slots and 32 bits 101b86ef536SViorel Suman * for every slot in TDM mode. 102b86ef536SViorel Suman */ 10314ec63f6SKuninori Morimoto ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_cpu(rtd, 0), BIT(channels) - 1, 104b86ef536SViorel Suman BIT(channels) - 1, 8, 32); 105b86ef536SViorel Suman if (ret) 106b86ef536SViorel Suman dev_err(dev, "failed to set cpu dai tdm slot: %d\n", ret); 107b86ef536SViorel Suman 108b86ef536SViorel Suman return ret; 109b86ef536SViorel Suman } 110b86ef536SViorel Suman 111b86ef536SViorel Suman static int imx_audmix_be_hw_params(struct snd_pcm_substream *substream, 112b86ef536SViorel Suman struct snd_pcm_hw_params *params) 113b86ef536SViorel Suman { 11414ec63f6SKuninori Morimoto struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 115b86ef536SViorel Suman struct device *dev = rtd->card->dev; 116b86ef536SViorel Suman bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; 117b86ef536SViorel Suman unsigned int fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF; 118b86ef536SViorel Suman int ret; 119b86ef536SViorel Suman 120b86ef536SViorel Suman if (!tx) 121b86ef536SViorel Suman return 0; 122b86ef536SViorel Suman 123bf101022SMark Brown /* For playback the AUDMIX is consumer */ 1243b14c15aSCharles Keepax fmt |= SND_SOC_DAIFMT_BC_FC; 125b86ef536SViorel Suman 126b86ef536SViorel Suman /* set AUDMIX DAI configuration */ 12714ec63f6SKuninori Morimoto ret = snd_soc_dai_set_fmt(snd_soc_rtd_to_cpu(rtd, 0), fmt); 128b86ef536SViorel Suman if (ret) 129b86ef536SViorel Suman dev_err(dev, "failed to set AUDMIX DAI fmt: %d\n", ret); 130b86ef536SViorel Suman 131b86ef536SViorel Suman return ret; 132b86ef536SViorel Suman } 133b86ef536SViorel Suman 134815b55e1SRikard Falkeborn static const struct snd_soc_ops imx_audmix_fe_ops = { 135b86ef536SViorel Suman .startup = imx_audmix_fe_startup, 136b86ef536SViorel Suman .hw_params = imx_audmix_fe_hw_params, 137b86ef536SViorel Suman }; 138b86ef536SViorel Suman 139815b55e1SRikard Falkeborn static const struct snd_soc_ops imx_audmix_be_ops = { 140b86ef536SViorel Suman .hw_params = imx_audmix_be_hw_params, 141b86ef536SViorel Suman }; 142b86ef536SViorel Suman 143*05d996e1SShengjiu Wang static const char *name[][3] = { 144*05d996e1SShengjiu Wang {"HiFi-AUDMIX-FE-0", "HiFi-AUDMIX-FE-1", "HiFi-AUDMIX-FE-2"}, 145*05d996e1SShengjiu Wang {"sai-tx", "sai-tx", "sai-rx"}, 146*05d996e1SShengjiu Wang {"AUDMIX-Playback-0", "AUDMIX-Playback-1", "CPU-Capture"}, 147*05d996e1SShengjiu Wang {"CPU-Playback", "CPU-Playback", "AUDMIX-Capture-0"}, 148*05d996e1SShengjiu Wang }; 149*05d996e1SShengjiu Wang 150b86ef536SViorel Suman static int imx_audmix_probe(struct platform_device *pdev) 151b86ef536SViorel Suman { 152b86ef536SViorel Suman struct device_node *np = pdev->dev.of_node; 153b86ef536SViorel Suman struct device_node *audmix_np = NULL, *out_cpu_np = NULL; 154b86ef536SViorel Suman struct platform_device *audmix_pdev = NULL; 155b86ef536SViorel Suman struct platform_device *cpu_pdev; 156b86ef536SViorel Suman struct of_phandle_args args; 157b86ef536SViorel Suman struct imx_audmix *priv; 158b86ef536SViorel Suman int i, num_dai, ret; 159b86ef536SViorel Suman const char *fe_name_pref = "HiFi-AUDMIX-FE-"; 160*05d996e1SShengjiu Wang char *be_name, *dai_name; 161b86ef536SViorel Suman 162b86ef536SViorel Suman if (pdev->dev.parent) { 163b86ef536SViorel Suman audmix_np = pdev->dev.parent->of_node; 164b86ef536SViorel Suman } else { 165b86ef536SViorel Suman dev_err(&pdev->dev, "Missing parent device.\n"); 166b86ef536SViorel Suman return -EINVAL; 167b86ef536SViorel Suman } 168b86ef536SViorel Suman 169b86ef536SViorel Suman if (!audmix_np) { 170de70b2a5SColin Ian King dev_err(&pdev->dev, "Missing DT node for parent device.\n"); 171b86ef536SViorel Suman return -EINVAL; 172b86ef536SViorel Suman } 173b86ef536SViorel Suman 174b86ef536SViorel Suman audmix_pdev = of_find_device_by_node(audmix_np); 175b86ef536SViorel Suman if (!audmix_pdev) { 176b86ef536SViorel Suman dev_err(&pdev->dev, "Missing AUDMIX platform device for %s\n", 177b86ef536SViorel Suman np->full_name); 178b86ef536SViorel Suman return -EINVAL; 179b86ef536SViorel Suman } 1808bb678d7SViorel Suman put_device(&audmix_pdev->dev); 181b86ef536SViorel Suman 182b86ef536SViorel Suman num_dai = of_count_phandle_with_args(audmix_np, "dais", NULL); 183b86ef536SViorel Suman if (num_dai != FSL_AUDMIX_MAX_DAIS) { 184b86ef536SViorel Suman dev_err(&pdev->dev, "Need 2 dais to be provided for %s\n", 185b86ef536SViorel Suman audmix_np->full_name); 186b86ef536SViorel Suman return -EINVAL; 187b86ef536SViorel Suman } 188b86ef536SViorel Suman 189b86ef536SViorel Suman priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); 190b86ef536SViorel Suman if (!priv) 191b86ef536SViorel Suman return -ENOMEM; 192b86ef536SViorel Suman 193*05d996e1SShengjiu Wang num_dai += 1; 194b86ef536SViorel Suman priv->num_dai = 2 * num_dai; 195f95cc5c1SXu Wang priv->dai = devm_kcalloc(&pdev->dev, priv->num_dai, 196b86ef536SViorel Suman sizeof(struct snd_soc_dai_link), GFP_KERNEL); 197b86ef536SViorel Suman if (!priv->dai) 198b86ef536SViorel Suman return -ENOMEM; 199b86ef536SViorel Suman 200b86ef536SViorel Suman priv->num_dai_conf = num_dai; 201f95cc5c1SXu Wang priv->dai_conf = devm_kcalloc(&pdev->dev, priv->num_dai_conf, 202b86ef536SViorel Suman sizeof(struct snd_soc_codec_conf), 203b86ef536SViorel Suman GFP_KERNEL); 204b86ef536SViorel Suman if (!priv->dai_conf) 205b86ef536SViorel Suman return -ENOMEM; 206b86ef536SViorel Suman 207*05d996e1SShengjiu Wang priv->num_dapm_routes = num_dai; 208f95cc5c1SXu Wang priv->dapm_routes = devm_kcalloc(&pdev->dev, priv->num_dapm_routes, 209b86ef536SViorel Suman sizeof(struct snd_soc_dapm_route), 210b86ef536SViorel Suman GFP_KERNEL); 211b86ef536SViorel Suman if (!priv->dapm_routes) 212b86ef536SViorel Suman return -ENOMEM; 213b86ef536SViorel Suman 214b86ef536SViorel Suman for (i = 0; i < num_dai; i++) { 21579782e28SKuninori Morimoto struct snd_soc_dai_link_component *dlc; 21679782e28SKuninori Morimoto 21787e39e9bSKuninori Morimoto /* for CPU x 2 */ 21887e39e9bSKuninori Morimoto dlc = devm_kcalloc(&pdev->dev, 2, sizeof(*dlc), GFP_KERNEL); 219723ca2f8SZhen Lei if (!dlc) 22079782e28SKuninori Morimoto return -ENOMEM; 22179782e28SKuninori Morimoto 222*05d996e1SShengjiu Wang if (i == num_dai - 1) 223*05d996e1SShengjiu Wang ret = of_parse_phandle_with_args(audmix_np, "dais", NULL, 0, 224*05d996e1SShengjiu Wang &args); 225*05d996e1SShengjiu Wang else 226b86ef536SViorel Suman ret = of_parse_phandle_with_args(audmix_np, "dais", NULL, i, 227b86ef536SViorel Suman &args); 228b86ef536SViorel Suman if (ret < 0) { 229b86ef536SViorel Suman dev_err(&pdev->dev, "of_parse_phandle_with_args failed\n"); 230b86ef536SViorel Suman return ret; 231b86ef536SViorel Suman } 232b86ef536SViorel Suman 233b86ef536SViorel Suman cpu_pdev = of_find_device_by_node(args.np); 234b86ef536SViorel Suman if (!cpu_pdev) { 235b86ef536SViorel Suman dev_err(&pdev->dev, "failed to find SAI platform device\n"); 236b86ef536SViorel Suman return -EINVAL; 237b86ef536SViorel Suman } 2388bb678d7SViorel Suman put_device(&cpu_pdev->dev); 239b86ef536SViorel Suman 240b86ef536SViorel Suman dai_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s%s", 241*05d996e1SShengjiu Wang fe_name_pref, args.np->full_name); 2422f76e1d6SClaudiu Beznea if (!dai_name) 2432f76e1d6SClaudiu Beznea return -ENOMEM; 244b86ef536SViorel Suman 245b86ef536SViorel Suman dev_info(pdev->dev.parent, "DAI FE name:%s\n", dai_name); 246b86ef536SViorel Suman 247*05d996e1SShengjiu Wang if (i == num_dai - 1) 248b86ef536SViorel Suman out_cpu_np = args.np; 249b86ef536SViorel Suman 2503ce08f85SKuninori Morimoto /* 2513ce08f85SKuninori Morimoto * CPU == Platform 2523ce08f85SKuninori Morimoto * platform is using soc-generic-dmaengine-pcm 2533ce08f85SKuninori Morimoto */ 2543ce08f85SKuninori Morimoto priv->dai[i].cpus = 2553ce08f85SKuninori Morimoto priv->dai[i].platforms = &dlc[0]; 25614ec63f6SKuninori Morimoto priv->dai[i].codecs = &snd_soc_dummy_dlc; 25779782e28SKuninori Morimoto 25879782e28SKuninori Morimoto priv->dai[i].num_cpus = 1; 25979782e28SKuninori Morimoto priv->dai[i].num_codecs = 1; 26009cda705SShengjiu Wang priv->dai[i].num_platforms = 1; 261*05d996e1SShengjiu Wang priv->dai[i].name = name[0][i]; 262b86ef536SViorel Suman priv->dai[i].stream_name = "HiFi-AUDMIX-FE"; 26379782e28SKuninori Morimoto priv->dai[i].cpus->of_node = args.np; 264*05d996e1SShengjiu Wang priv->dai[i].cpus->dai_name = name[1][i]; 265*05d996e1SShengjiu Wang 266b86ef536SViorel Suman priv->dai[i].dynamic = 1; 267b86ef536SViorel Suman priv->dai[i].dpcm_playback = 1; 268*05d996e1SShengjiu Wang if (i == num_dai - 1) { 269*05d996e1SShengjiu Wang priv->dai[i].dpcm_capture = 1; 270*05d996e1SShengjiu Wang priv->dai[i].dpcm_playback = 0; 271*05d996e1SShengjiu Wang } 272b86ef536SViorel Suman priv->dai[i].ignore_pmdown_time = 1; 273b86ef536SViorel Suman priv->dai[i].ops = &imx_audmix_fe_ops; 274b86ef536SViorel Suman 275b86ef536SViorel Suman /* Add AUDMIX Backend */ 276b86ef536SViorel Suman be_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, 277b86ef536SViorel Suman "audmix-%d", i); 27887e39e9bSKuninori Morimoto priv->dai[num_dai + i].cpus = &dlc[1]; 27914ec63f6SKuninori Morimoto priv->dai[num_dai + i].codecs = &snd_soc_dummy_dlc; 28079782e28SKuninori Morimoto 28179782e28SKuninori Morimoto priv->dai[num_dai + i].num_cpus = 1; 28279782e28SKuninori Morimoto priv->dai[num_dai + i].num_codecs = 1; 28379782e28SKuninori Morimoto 284b86ef536SViorel Suman priv->dai[num_dai + i].name = be_name; 28579782e28SKuninori Morimoto priv->dai[num_dai + i].cpus->of_node = audmix_np; 28679782e28SKuninori Morimoto priv->dai[num_dai + i].cpus->dai_name = be_name; 287b86ef536SViorel Suman priv->dai[num_dai + i].no_pcm = 1; 288b86ef536SViorel Suman priv->dai[num_dai + i].dpcm_playback = 1; 289*05d996e1SShengjiu Wang if (i == num_dai - 1) { 290b86ef536SViorel Suman priv->dai[num_dai + i].dpcm_capture = 1; 291*05d996e1SShengjiu Wang priv->dai[num_dai + i].dpcm_playback = 0; 292*05d996e1SShengjiu Wang } 293b86ef536SViorel Suman priv->dai[num_dai + i].ignore_pmdown_time = 1; 294b86ef536SViorel Suman priv->dai[num_dai + i].ops = &imx_audmix_be_ops; 295b86ef536SViorel Suman 296eea23952SKuninori Morimoto priv->dai_conf[i].dlc.of_node = args.np; 297b86ef536SViorel Suman priv->dai_conf[i].name_prefix = dai_name; 298b86ef536SViorel Suman 299*05d996e1SShengjiu Wang if (i == num_dai - 1) { 300*05d996e1SShengjiu Wang priv->dapm_routes[i].sink = 301*05d996e1SShengjiu Wang devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s", 302*05d996e1SShengjiu Wang dai_name, name[2][i]); 303*05d996e1SShengjiu Wang if (!priv->dapm_routes[i].sink) 304*05d996e1SShengjiu Wang return -ENOMEM; 305*05d996e1SShengjiu Wang 306*05d996e1SShengjiu Wang priv->dapm_routes[i].source = name[3][i]; 307*05d996e1SShengjiu Wang } else { 308b86ef536SViorel Suman priv->dapm_routes[i].source = 309b86ef536SViorel Suman devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s", 310*05d996e1SShengjiu Wang dai_name, name[3][i]); 3112f76e1d6SClaudiu Beznea if (!priv->dapm_routes[i].source) 3122f76e1d6SClaudiu Beznea return -ENOMEM; 3132f76e1d6SClaudiu Beznea 314*05d996e1SShengjiu Wang priv->dapm_routes[i].sink = name[2][i]; 315*05d996e1SShengjiu Wang } 316b86ef536SViorel Suman } 317b86ef536SViorel Suman 318b86ef536SViorel Suman cpu_pdev = of_find_device_by_node(out_cpu_np); 319b86ef536SViorel Suman if (!cpu_pdev) { 320b86ef536SViorel Suman dev_err(&pdev->dev, "failed to find SAI platform device\n"); 321b86ef536SViorel Suman return -EINVAL; 322b86ef536SViorel Suman } 3238bb678d7SViorel Suman put_device(&cpu_pdev->dev); 3248bb678d7SViorel Suman 325b86ef536SViorel Suman priv->cpu_mclk = devm_clk_get(&cpu_pdev->dev, "mclk1"); 326b86ef536SViorel Suman if (IS_ERR(priv->cpu_mclk)) { 327b86ef536SViorel Suman ret = PTR_ERR(priv->cpu_mclk); 328b86ef536SViorel Suman dev_err(&cpu_pdev->dev, "failed to get DAI mclk1: %d\n", ret); 329b19a5733SShengjiu Wang return ret; 330b86ef536SViorel Suman } 331b86ef536SViorel Suman 332b86ef536SViorel Suman priv->audmix_pdev = audmix_pdev; 333b86ef536SViorel Suman priv->out_pdev = cpu_pdev; 334b86ef536SViorel Suman 335b86ef536SViorel Suman priv->card.dai_link = priv->dai; 336b86ef536SViorel Suman priv->card.num_links = priv->num_dai; 337b86ef536SViorel Suman priv->card.codec_conf = priv->dai_conf; 338b86ef536SViorel Suman priv->card.num_configs = priv->num_dai_conf; 339b86ef536SViorel Suman priv->card.dapm_routes = priv->dapm_routes; 340b86ef536SViorel Suman priv->card.num_dapm_routes = priv->num_dapm_routes; 3419573820eSShengjiu Wang priv->card.dev = &pdev->dev; 342b86ef536SViorel Suman priv->card.owner = THIS_MODULE; 343b86ef536SViorel Suman priv->card.name = "imx-audmix"; 344b86ef536SViorel Suman 345b86ef536SViorel Suman platform_set_drvdata(pdev, &priv->card); 346b86ef536SViorel Suman snd_soc_card_set_drvdata(&priv->card, priv); 347b86ef536SViorel Suman 3489573820eSShengjiu Wang ret = devm_snd_soc_register_card(&pdev->dev, &priv->card); 349b86ef536SViorel Suman if (ret) { 350b86ef536SViorel Suman dev_err(&pdev->dev, "snd_soc_register_card failed\n"); 351b86ef536SViorel Suman return ret; 352b86ef536SViorel Suman } 353b86ef536SViorel Suman 354b86ef536SViorel Suman return ret; 355b86ef536SViorel Suman } 356b86ef536SViorel Suman 357b86ef536SViorel Suman static struct platform_driver imx_audmix_driver = { 358b86ef536SViorel Suman .probe = imx_audmix_probe, 359b86ef536SViorel Suman .driver = { 360b86ef536SViorel Suman .name = "imx-audmix", 361b86ef536SViorel Suman .pm = &snd_soc_pm_ops, 362b86ef536SViorel Suman }, 363b86ef536SViorel Suman }; 364b86ef536SViorel Suman module_platform_driver(imx_audmix_driver); 365b86ef536SViorel Suman 366b86ef536SViorel Suman MODULE_DESCRIPTION("NXP AUDMIX ASoC machine driver"); 367b86ef536SViorel Suman MODULE_AUTHOR("Viorel Suman <viorel.suman@nxp.com>"); 368b86ef536SViorel Suman MODULE_ALIAS("platform:imx-audmix"); 369b86ef536SViorel Suman MODULE_LICENSE("GPL v2"); 370