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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/soc/intel/boards/cht_bsw_nau8824.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  cht-bsw-nau8824.c - ASoc Machine driver for Intel Cherryview-based
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  *          platforms Cherrytrail and Braswell, with nau8824 codec.
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@@ -8,15 +9,6 @@
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  *  Author: Wang, Joseph C <joequant@gmail.com>
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  *  Co-author: John Hsu <KCHSU0@nuvoton.com>
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  *  This file is based on cht_bsw_rt5672.c and cht-bsw-max98090.c
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License as published by
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- *  the Free Software Foundation; version 2 of the License.
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- *
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- *  This program is distributed in the hope that it will be useful, but
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- *  WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- *  General Public License for more details.
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  */
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13
 
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 #include <linux/module.h>
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@@ -25,6 +17,7 @@
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 #include <sound/pcm.h>
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 #include <sound/pcm_params.h>
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 #include <sound/soc.h>
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+#include <sound/soc-acpi.h>
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 #include <sound/jack.h>
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 #include <linux/input.h>
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 #include "../atom/sst-atom-controls.h"
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@@ -79,8 +72,8 @@
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 static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
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 	struct snd_pcm_hw_params *params)
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 {
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-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
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-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
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+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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 	int ret;
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 	ret = snd_soc_dai_set_sysclk(codec_dai, NAU8824_CLK_FLL_FS, 0,
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@@ -103,7 +96,7 @@
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 {
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 	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
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 	struct snd_soc_jack *jack = &ctx->jack;
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-	struct snd_soc_dai *codec_dai = runtime->codec_dai;
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+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(runtime, 0);
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 	struct snd_soc_component *component = codec_dai->component;
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 	int ret, jack_type;
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@@ -115,7 +108,7 @@
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 	}
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 	/* NAU88L24 supports 4 butons headset detection
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-	 * KEY_MEDIA
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+	 * KEY_PLAYPAUSE
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 	 * KEY_VOICECOMMAND
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 	 * KEY_VOLUMEUP
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 	 * KEY_VOLUMEDOWN
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@@ -129,7 +122,7 @@
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 			"Headset Jack creation failed %d\n", ret);
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 		return ret;
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 	}
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-	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA);
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+	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
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 	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
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 	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
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 	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
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@@ -174,51 +167,59 @@
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 	.hw_params = cht_aif1_hw_params,
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 };
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169
 
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+SND_SOC_DAILINK_DEF(dummy,
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+	DAILINK_COMP_ARRAY(COMP_DUMMY()));
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+
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+SND_SOC_DAILINK_DEF(media,
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+	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
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+
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+SND_SOC_DAILINK_DEF(deepbuffer,
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+	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
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+
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+SND_SOC_DAILINK_DEF(compress,
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+	DAILINK_COMP_ARRAY(COMP_CPU("compress-cpu-dai")));
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+
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+SND_SOC_DAILINK_DEF(ssp2_port,
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+	DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
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+SND_SOC_DAILINK_DEF(ssp2_codec,
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+	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508824:00",
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+				      NAU8824_CODEC_DAI)));
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+
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+SND_SOC_DAILINK_DEF(platform,
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+	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
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+
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 static struct snd_soc_dai_link cht_dailink[] = {
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 	/* Front End DAI links */
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 	[MERR_DPCM_AUDIO] = {
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 		.name = "Audio Port",
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 		.stream_name = "Audio",
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-		.cpu_dai_name = "media-cpu-dai",
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-		.codec_dai_name = "snd-soc-dummy-dai",
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-		.codec_name = "snd-soc-dummy",
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-		.platform_name = "sst-mfld-platform",
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 		.nonatomic = true,
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 		.dynamic = 1,
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 		.dpcm_playback = 1,
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 		.dpcm_capture = 1,
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 		.ops = &cht_aif1_ops,
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+		SND_SOC_DAILINK_REG(media, dummy, platform),
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 	},
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 	[MERR_DPCM_DEEP_BUFFER] = {
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 		.name = "Deep-Buffer Audio Port",
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 		.stream_name = "Deep-Buffer Audio",
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-		.cpu_dai_name = "deepbuffer-cpu-dai",
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-		.codec_dai_name = "snd-soc-dummy-dai",
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-		.codec_name = "snd-soc-dummy",
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-		.platform_name = "sst-mfld-platform",
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 		.nonatomic = true,
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 		.dynamic = 1,
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 		.dpcm_playback = 1,
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 		.ops = &cht_aif1_ops,
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+		SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
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 	},
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 	[MERR_DPCM_COMPR] = {
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 		.name = "Compressed Port",
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 		.stream_name = "Compress",
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-		.cpu_dai_name = "compress-cpu-dai",
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-		.codec_dai_name = "snd-soc-dummy-dai",
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-		.codec_name = "snd-soc-dummy",
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-		.platform_name = "sst-mfld-platform",
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+		SND_SOC_DAILINK_REG(compress, dummy, platform),
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 	},
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 	/* Back End DAI links */
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 	{
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 		/* SSP2 - Codec */
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 		.name = "SSP2-Codec",
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 		.id = 1,
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-		.cpu_dai_name = "ssp2-port",
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-		.platform_name = "sst-mfld-platform",
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 		.no_pcm = 1,
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-		.codec_dai_name = NAU8824_CODEC_DAI,
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-		.codec_name = "i2c-10508824:00",
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 		.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF
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 			| SND_SOC_DAIFMT_CBS_CFS,
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 		.init = cht_codec_init,
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@@ -226,12 +227,23 @@
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 		.dpcm_playback = 1,
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 		.dpcm_capture = 1,
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 		.ops = &cht_be_ssp2_ops,
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+		SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
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 	},
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 };
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+#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
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+/* use space before codec name to simplify card ID, and simplify driver name */
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+#define CARD_NAME "bytcht nau8824" /* card name will be 'sof-bytcht nau8824 */
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+#define DRIVER_NAME "SOF"
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+#else
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+#define CARD_NAME "chtnau8824"
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+#define DRIVER_NAME NULL /* card name will be used for driver name */
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+#endif
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+
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 /* SoC card */
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 static struct snd_soc_card snd_soc_card_cht = {
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-	.name = "chtnau8824",
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+	.name = CARD_NAME,
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+	.driver_name = DRIVER_NAME,
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 	.owner = THIS_MODULE,
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 	.dai_link = cht_dailink,
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 	.num_links = ARRAY_SIZE(cht_dailink),
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@@ -246,6 +258,8 @@
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 static int snd_cht_mc_probe(struct platform_device *pdev)
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 {
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 	struct cht_mc_private *drv;
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+	struct snd_soc_acpi_mach *mach;
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+	const char *platform_name;
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 	int ret_val;
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 	drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
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@@ -253,8 +267,17 @@
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 		return -ENOMEM;
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 	snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
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-	/* register the soc card */
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+	/* override plaform name, if required */
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 	snd_soc_card_cht.dev = &pdev->dev;
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+	mach = pdev->dev.platform_data;
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+	platform_name = mach->mach_params.platform;
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+
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+	ret_val = snd_soc_fixup_dai_links_platform_name(&snd_soc_card_cht,
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+							platform_name);
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+	if (ret_val)
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+		return ret_val;
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+
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+	/* register the soc card */
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 	ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
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 	if (ret_val) {
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 		dev_err(&pdev->dev,
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@@ -269,6 +292,9 @@
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 static struct platform_driver snd_cht_mc_driver = {
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 	.driver = {
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 		.name = "cht-bsw-nau8824",
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+#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
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+		.pm = &snd_soc_pm_ops,
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+#endif
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 	},
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 	.probe = snd_cht_mc_probe,
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 };