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Unverified Commit adb76b5b authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

ASoC: soc-core: remove legacy style dai_link 



All drivers switched to modern style dai_link
(= struct snd_soc_dai_link_component).
Let's remove legacy style dai_link.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent e1684073

include/sound/soc.h

+5 −60
Original line number Diff line number Diff line
@@ -900,17 +900,6 @@ struct snd_soc_dai_link { 
	const char *name;			/* Codec name */

	const char *stream_name;		/* Stream name */



	/*

	 *	cpu_name

	 *	cpu_of_node

	 *	cpu_dai_name

	 *

	 * These are legacy style, and will be replaced to

	 * modern style (= snd_soc_dai_link_component) in the future,

	 * but, not yet supported so far.

	 * If modern style was supported for CPU, all driver will switch

	 * to use it, and, legacy style code will be removed from ALSA SoC.

	 */

	/*

	 * You MAY specify the link's CPU-side device, either by device name,

	 * or by DT/OF node, but not both. If this information is omitted,
@@ -918,60 +907,27 @@ struct snd_soc_dai_link { 
	 * must be globally unique. These fields are currently typically used

	 * only for codec to codec links, or systems using device tree.

	 */

	const char *cpu_name;

	struct device_node *cpu_of_node;

	/*

	 * You MAY specify the DAI name of the CPU DAI. If this information is

	 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node

	 * only, which only works well when that device exposes a single DAI.

	 */

	const char *cpu_dai_name;



	struct snd_soc_dai_link_component *cpus;

	unsigned int num_cpus;



	/*

	 *	codec_name

	 *	codec_of_node

	 *	codec_dai_name

	 *

	 * These are legacy style, it will be converted to modern style

	 * (= snd_soc_dai_link_component) automatically in soc-core

	 * if driver is using legacy style.

	 * Driver shouldn't use both legacy and modern style in the same time.

	 * If modern style was supported for CPU, all driver will switch

	 * to use it, and, legacy style code will be removed from ALSA SoC.

	 */

	/*

	 * You MUST specify the link's codec, either by device name, or by

	 * DT/OF node, but not both.

	 */

	const char *codec_name;

	struct device_node *codec_of_node;

	/* You MUST specify the DAI name within the codec */

	const char *codec_dai_name;



	struct snd_soc_dai_link_component *codecs;

	unsigned int num_codecs;



	/*

	 *	platform_name

	 *	platform_of_node

	 *

	 * These are legacy style, it will be converted to modern style

	 * (= snd_soc_dai_link_component) automatically in soc-core

	 * if driver is using legacy style.

	 * Driver shouldn't use both legacy and modern style in the same time.

	 * If modern style was supported for CPU, all driver will switch

	 * to use it, and, legacy style code will be removed from ALSA SoC.

	 */

	/*

	 * You MAY specify the link's platform/PCM/DMA driver, either by

	 * device name, or by DT/OF node, but not both. Some forms of link

	 * do not need a platform.

	 */

	const char *platform_name;

	struct device_node *platform_of_node;

	struct snd_soc_dai_link_component *platforms;

	unsigned int num_platforms;
@@ -1033,13 +989,6 @@ struct snd_soc_dai_link { 
	/* Do not create a PCM for this DAI link (Backend link) */

	unsigned int ignore:1;



	/*

	 * This driver uses legacy platform naming. Set by the core, machine

	 * drivers should not modify this value.

	 */

	unsigned int legacy_platform:1;

	unsigned int legacy_cpu:1;



	struct list_head list; /* DAI link list of the soc card */

	struct snd_soc_dobj dobj; /* For topology */

};
@@ -1699,15 +1648,11 @@ int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, 
		if (!name)

			return -ENOMEM;



		if (dai_link->platforms)

		if (!dai_link->platforms)

			return -EINVAL;



		/* only single platform is supported for now */

		dai_link->platforms->name = name;

		else

			/*

			 * legacy mode, this case will be removed when all

			 * derivers are switched to modern style dai_link.

			 */

			dai_link->platform_name = name;

	}



	return 0;

sound/soc/soc-core.c

+7 −158
Original line number Diff line number Diff line
@@ -1053,167 +1053,18 @@ static void soc_remove_dai_links(struct snd_soc_card *card) 
	}

}



static int snd_soc_init_cpu(struct snd_soc_card *card,

			    struct snd_soc_dai_link *dai_link)

{

	struct snd_soc_dai_link_component *cpu = dai_link->cpus;



	/*

	 * REMOVE ME

	 *

	 * This is glue code for Legacy vs Modern dai_link.

	 * This function will be removed if all derivers are switched to

	 * modern style dai_link.

	 * Driver shouldn't use both legacy and modern style in the same time.

	 * see

	 *	soc.h :: struct snd_soc_dai_link

	 */

	/* convert Legacy platform link */

	if (!cpu) {

		cpu = devm_kzalloc(card->dev,

				   sizeof(struct snd_soc_dai_link_component),

				   GFP_KERNEL);

		if (!cpu)

			return -ENOMEM;



		dai_link->cpus		= cpu;

		dai_link->num_cpus	= 1;

		dai_link->legacy_cpu	= 1;



		cpu->name	= dai_link->cpu_name;

		cpu->of_node	= dai_link->cpu_of_node;

		cpu->dai_name	= dai_link->cpu_dai_name;

	}



	if (!dai_link->cpus) {

		dev_err(card->dev, "ASoC: DAI link has no CPUs\n");

		return -EINVAL;

	}



	return 0;

}



static int snd_soc_init_platform(struct snd_soc_card *card,

				 struct snd_soc_dai_link *dai_link)

{

	struct snd_soc_dai_link_component *platform = dai_link->platforms;



	/*

	 * REMOVE ME

	 *

	 * This is glue code for Legacy vs Modern dai_link.

	 * This function will be removed if all derivers are switched to

	 * modern style dai_link.

	 * Driver shouldn't use both legacy and modern style in the same time.

	 * see

	 *	soc.h :: struct snd_soc_dai_link

	 */

	/* convert Legacy platform link */

	if (!platform) {

		platform = devm_kzalloc(card->dev,

				sizeof(struct snd_soc_dai_link_component),

				GFP_KERNEL);

		if (!platform)

			return -ENOMEM;



		dai_link->platforms	  = platform;

		dai_link->num_platforms	  = 1;

		dai_link->legacy_platform = 1;

		platform->name		  = dai_link->platform_name;

		platform->of_node	  = dai_link->platform_of_node;

		platform->dai_name	  = NULL;

	}



	/* if there's no platform we match on the empty platform */

	if (!platform->name &&

	    !platform->of_node)

		platform->name = "snd-soc-dummy";



	return 0;

}



static void soc_cleanup_legacy(struct snd_soc_card *card)

{

	struct snd_soc_dai_link *link;

	int i;

	/*

	 * FIXME

	 *

	 * this function should be removed with snd_soc_init_platform

	 */



	for_each_card_prelinks(card, i, link) {

		if (link->legacy_platform) {

			link->legacy_platform = 0;

			link->platforms       = NULL;

		}

		if (link->legacy_cpu) {

			link->legacy_cpu = 0;

			link->cpus = NULL;

		}

	}

}



static int snd_soc_init_multicodec(struct snd_soc_card *card,

				   struct snd_soc_dai_link *dai_link)

{

	/*

	 * REMOVE ME

	 *

	 * This is glue code for Legacy vs Modern dai_link.

	 * This function will be removed if all derivers are switched to

	 * modern style dai_link.

	 * Driver shouldn't use both legacy and modern style in the same time.

	 * see

	 *	soc.h :: struct snd_soc_dai_link

	 */



	/* Legacy codec/codec_dai link is a single entry in multicodec */

	if (dai_link->codec_name || dai_link->codec_of_node ||

	    dai_link->codec_dai_name) {

		dai_link->num_codecs = 1;



		dai_link->codecs = devm_kzalloc(card->dev,

				sizeof(struct snd_soc_dai_link_component),

				GFP_KERNEL);

		if (!dai_link->codecs)

			return -ENOMEM;



		dai_link->codecs[0].name = dai_link->codec_name;

		dai_link->codecs[0].of_node = dai_link->codec_of_node;

		dai_link->codecs[0].dai_name = dai_link->codec_dai_name;

	}



	if (!dai_link->codecs) {

		dev_err(card->dev, "ASoC: DAI link has no CODECs\n");

		return -EINVAL;

	}



	return 0;

}

static struct snd_soc_dai_link_component dummy_link = COMP_DUMMY();



static int soc_init_dai_link(struct snd_soc_card *card,

			     struct snd_soc_dai_link *link)

{

	int i, ret;

	int i;

	struct snd_soc_dai_link_component *codec;



	ret = snd_soc_init_cpu(card, link);

	if (ret) {

		dev_err(card->dev, "ASoC: failed to init cpu\n");

		return ret;

	}



	ret = snd_soc_init_platform(card, link);

	if (ret) {

		dev_err(card->dev, "ASoC: failed to init multiplatform\n");

		return ret;

	}



	ret = snd_soc_init_multicodec(card, link);

	if (ret) {

		dev_err(card->dev, "ASoC: failed to init multicodec\n");

		return ret;

	/* default Platform */

	if (!link->platforms || !link->num_platforms) {

		link->platforms = &dummy_link;

		link->num_platforms = 1;

	}



	for_each_link_codecs(link, i, codec) {
@@ -2060,7 +1911,7 @@ static void soc_check_tplg_fes(struct snd_soc_card *card) 
				 card->dai_link[i].name);



			/* override platform component */

			if (snd_soc_init_platform(card, dai_link) < 0) {

			if (!dai_link->platforms) {

				dev_err(card->dev, "init platform error");

				continue;

			}
@@ -2111,7 +1962,6 @@ static int soc_cleanup_card_resources(struct snd_soc_card *card) 
	/* remove and free each DAI */

	soc_remove_dai_links(card);

	soc_remove_pcm_runtimes(card);

	soc_cleanup_legacy(card);



	/* remove auxiliary devices */

	soc_remove_aux_devices(card);
@@ -2868,7 +2718,6 @@ int snd_soc_register_card(struct snd_soc_card *card) 


		ret = soc_init_dai_link(card, link);

		if (ret) {

			soc_cleanup_legacy(card);

			dev_err(card->dev, "ASoC: failed to init link %s\n",

				link->name);

			mutex_unlock(&client_mutex);