From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com

Current ASoC is supporting snd_soc_dai_link_component for binding, it is more useful than current legacy style. Currently only codec is supporting it as multicodec (= codecs). CPU will support multi style in the future. We want to have it on Platform too in the future.

If all Codec/CPU/Platform are replaced into snd_soc_dai_link_component style, we can remove legacy complex style. This patch supports snd_soc_dai_link_component style for simple_card_utils for codec.

[current] struct snd_soc_dai_link { ... *cpu_name; *cpu_of_node; *cpu_dai_name;

*codec_name; *codec_of_node; *codec_dai_name; *codecs; num_codecs;

*platform_name; *platform_of_node; ... }

[in the future] struct snd_soc_dai_link { ... *cpus num_cpus;

*codecs; num_codecs;

*platform; ... }

Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- include/sound/simple_card_utils.h | 27 ++++++++++++++-------- sound/soc/generic/simple-card-utils.c | 42 +++++++++++++++++++++++++++++++++-- 2 files changed, 58 insertions(+), 11 deletions(-)

diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h index 8bc5e2d..3b5bd6e 100644 --- a/include/sound/simple_card_utils.h +++ b/include/sound/simple_card_utils.h @@ -51,29 +51,35 @@ int asoc_simple_card_parse_card_name(struct snd_soc_card *card,

#define asoc_simple_card_parse_clk_cpu(dev, node, dai_link, simple_dai) \ asoc_simple_card_parse_clk(dev, node, dai_link->cpu_of_node, simple_dai, \ - dai_link->cpu_dai_name) + dai_link->cpu_dai_name, NULL) #define asoc_simple_card_parse_clk_codec(dev, node, dai_link, simple_dai) \ asoc_simple_card_parse_clk(dev, node, dai_link->codec_of_node, simple_dai,\ - dai_link->codec_dai_name) + dai_link->codec_dai_name, dai_link->codecs) int asoc_simple_card_parse_clk(struct device *dev, struct device_node *node, struct device_node *dai_of_node, struct asoc_simple_dai *simple_dai, - const char *name); + const char *dai_name, + struct snd_soc_dai_link_component *dlc); int asoc_simple_card_clk_enable(struct asoc_simple_dai *dai); void asoc_simple_card_clk_disable(struct asoc_simple_dai *dai);

#define asoc_simple_card_parse_cpu(node, dai_link, \ list_name, cells_name, is_single_link) \ - asoc_simple_card_parse_dai(node, &dai_link->cpu_of_node, \ + asoc_simple_card_parse_dai(node, NULL, \ + &dai_link->cpu_of_node, \ &dai_link->cpu_dai_name, list_name, cells_name, is_single_link) #define asoc_simple_card_parse_codec(node, dai_link, list_name, cells_name) \ - asoc_simple_card_parse_dai(node, &dai_link->codec_of_node, \ - &dai_link->codec_dai_name, list_name, cells_name, NULL) + asoc_simple_card_parse_dai(node, dai_link->codecs, \ + &dai_link->codec_of_node, \ + &dai_link->codec_dai_name, \ + list_name, cells_name, NULL) #define asoc_simple_card_parse_platform(node, dai_link, list_name, cells_name) \ - asoc_simple_card_parse_dai(node, &dai_link->platform_of_node, \ + asoc_simple_card_parse_dai(node, NULL, \ + &dai_link->platform_of_node, \ NULL, list_name, cells_name, NULL) int asoc_simple_card_parse_dai(struct device_node *node, + struct snd_soc_dai_link_component *dlc, struct device_node **endpoint_np, const char **dai_name, const char *list_name, @@ -81,12 +87,15 @@ int asoc_simple_card_parse_dai(struct device_node *node, int *is_single_links);

#define asoc_simple_card_parse_graph_cpu(ep, dai_link) \ - asoc_simple_card_parse_graph_dai(ep, &dai_link->cpu_of_node, \ + asoc_simple_card_parse_graph_dai(ep, NULL, \ + &dai_link->cpu_of_node, \ &dai_link->cpu_dai_name) #define asoc_simple_card_parse_graph_codec(ep, dai_link) \ - asoc_simple_card_parse_graph_dai(ep, &dai_link->codec_of_node, \ + asoc_simple_card_parse_graph_dai(ep, dai_link->codecs, \ + &dai_link->codec_of_node, \ &dai_link->codec_dai_name) int asoc_simple_card_parse_graph_dai(struct device_node *ep, + struct snd_soc_dai_link_component *dlc, struct device_node **endpoint_np, const char **dai_name);

diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index d3f3f0f..73c0a90 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -173,12 +173,24 @@ int asoc_simple_card_parse_clk(struct device *dev, struct device_node *node, struct device_node *dai_of_node, struct asoc_simple_dai *simple_dai, - const char *name) + const char *dai_name, + struct snd_soc_dai_link_component *dlc) { struct clk *clk; u32 val;

/* + * Use snd_soc_dai_link_component instead of legacy style. + * It is only for codec, but cpu will be supported in the future. + * see + * soc-core.c :: snd_soc_init_multicodec() + */ + if (dlc) { + dai_of_node = dlc->of_node; + dai_name = dlc->dai_name; + } + + /* * Parse dai->sysclk come from "clocks = <&xxx>" * (if system has common clock) * or "system-clock-frequency = <xxx>" @@ -200,7 +212,7 @@ int asoc_simple_card_parse_clk(struct device *dev, if (of_property_read_bool(node, "system-clock-direction-out")) simple_dai->clk_direction = SND_SOC_CLOCK_OUT;

- dev_dbg(dev, "%s : sysclk = %d, direction %d\n", name, + dev_dbg(dev, "%s : sysclk = %d, direction %d\n", dai_name, simple_dai->sysclk, simple_dai->clk_direction);

return 0; @@ -208,6 +220,7 @@ int asoc_simple_card_parse_clk(struct device *dev, EXPORT_SYMBOL_GPL(asoc_simple_card_parse_clk);

int asoc_simple_card_parse_dai(struct device_node *node, + struct snd_soc_dai_link_component *dlc, struct device_node **dai_of_node, const char **dai_name, const char *list_name, @@ -221,6 +234,17 @@ int asoc_simple_card_parse_dai(struct device_node *node, return 0;

/* + * Use snd_soc_dai_link_component instead of legacy style. + * It is only for codec, but cpu will be supported in the future. + * see + * soc-core.c :: snd_soc_init_multicodec() + */ + if (dlc) { + dai_name = &dlc->dai_name; + dai_of_node = &dlc->of_node; + } + + /* * Get node via "sound-dai = <&phandle port>" * it will be used as xxx_of_node on soc_bind_dai_link() */ @@ -278,6 +302,7 @@ static int asoc_simple_card_get_dai_id(struct device_node *ep) }

int asoc_simple_card_parse_graph_dai(struct device_node *ep, + struct snd_soc_dai_link_component *dlc, struct device_node **dai_of_node, const char **dai_name) { @@ -285,6 +310,17 @@ int asoc_simple_card_parse_graph_dai(struct device_node *ep, struct of_phandle_args args; int ret;

+ /* + * Use snd_soc_dai_link_component instead of legacy style. + * It is only for codec, but cpu will be supported in the future. + * see + * soc-core.c :: snd_soc_init_multicodec() + */ + if (dlc) { + dai_name = &dlc->dai_name; + dai_of_node = &dlc->of_node; + } + if (!ep) return 0; if (!dai_name) @@ -374,6 +410,8 @@ int asoc_simple_card_clean_reference(struct snd_soc_card *card) num_links++, dai_link++) { of_node_put(dai_link->cpu_of_node); of_node_put(dai_link->codec_of_node); + if (dai_link->codecs) + of_node_put(dai_link->codecs->of_node); } return 0; }

From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com

simple-card and simple-scu-card are very similar driver, but using different feature. Thus we are keeping synchronization on these 2 drivers style, because it is easy to confirm / check.

Current big difference between these 2 drivers are "dai_props" on simple_card_data (= priv). It will be difficult to keep synchronize if we will add new feature on simple-scu-card. Thus, this patch synchronize it.

[simple] struct simple_card_data { ... struct simple_dai_props { ... } *dai_props; ... };

[simple scu] struct simple_card_data { ... struct asoc_simple_dai *dai_props; ... };

Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/generic/simple-scu-card.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/sound/soc/generic/simple-scu-card.c b/sound/soc/generic/simple-scu-card.c index 16a83bc..09be02e 100644 --- a/sound/soc/generic/simple-scu-card.c +++ b/sound/soc/generic/simple-scu-card.c @@ -22,7 +22,9 @@ struct simple_card_data { struct snd_soc_card snd_card; struct snd_soc_codec_conf codec_conf; - struct asoc_simple_dai *dai_props; + struct simple_dai_props { + struct asoc_simple_dai dai; + } *dai_props; struct snd_soc_dai_link *dai_link; struct asoc_simple_card_data adata; }; @@ -40,20 +42,20 @@ static int asoc_simple_card_startup(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); - struct asoc_simple_dai *dai_props = + struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num);

- return asoc_simple_card_clk_enable(dai_props); + return asoc_simple_card_clk_enable(&dai_props->dai); }

static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); - struct asoc_simple_dai *dai_props = + struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num);

- asoc_simple_card_clk_disable(dai_props); + asoc_simple_card_clk_disable(&dai_props->dai); }

static const struct snd_soc_ops asoc_simple_card_ops = { @@ -66,7 +68,7 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd) struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card); struct snd_soc_dai *dai; struct snd_soc_dai_link *dai_link; - struct asoc_simple_dai *dai_props; + struct simple_dai_props *dai_props; int num = rtd->num;

dai_link = simple_priv_to_link(priv, num); @@ -75,7 +77,7 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd) rtd->cpu_dai : rtd->codec_dai;

- return asoc_simple_card_init_dai(dai, dai_props); + return asoc_simple_card_init_dai(dai, &dai_props->dai); }

static int asoc_simple_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, @@ -95,7 +97,7 @@ static int asoc_simple_card_dai_link_of(struct device_node *np, { struct device *dev = simple_priv_to_dev(priv); struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx); - struct asoc_simple_dai *dai_props = simple_priv_to_props(priv, idx); + struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx); struct snd_soc_card *card = simple_priv_to_card(priv); int ret;

@@ -116,7 +118,7 @@ static int asoc_simple_card_dai_link_of(struct device_node *np, if (ret) return ret;

- ret = asoc_simple_card_parse_clk_cpu(dev, np, dai_link, dai_props); + ret = asoc_simple_card_parse_clk_cpu(dev, np, dai_link, &dai_props->dai); if (ret < 0) return ret;

@@ -141,7 +143,7 @@ static int asoc_simple_card_dai_link_of(struct device_node *np, if (ret < 0) return ret;

- ret = asoc_simple_card_parse_clk_codec(dev, np, dai_link, dai_props); + ret = asoc_simple_card_parse_clk_codec(dev, np, dai_link, &dai_props->dai); if (ret < 0) return ret;

@@ -157,7 +159,7 @@ static int asoc_simple_card_dai_link_of(struct device_node *np, PREFIX "prefix"); }

- ret = asoc_simple_card_of_parse_tdm(np, dai_props); + ret = asoc_simple_card_of_parse_tdm(np, &dai_props->dai); if (ret) return ret;

@@ -230,7 +232,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) { struct simple_card_data *priv; struct snd_soc_dai_link *dai_link; - struct asoc_simple_dai *dai_props; + struct simple_dai_props *dai_props; struct snd_soc_card *card; struct device *dev = &pdev->dev; struct device_node *np = dev->of_node;

From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com

Current ASoC is supporting snd_soc_dai_link_component for binding, it is more useful than current legacy style. Currently only codec is supporting it as multicodec (= codecs). CPU will support multi style in the future. We want to have it on Platform too in the future.

If all Codec/CPU/Platform are replaced into snd_soc_dai_link_component style, we can remove legacy complex style. This patch supports snd_soc_dai_link_component style for audio-graph-card for codec.

[current] struct snd_soc_dai_link { ... *cpu_name; *cpu_of_node; *cpu_dai_name;

*codec_name; *codec_of_node; *codec_dai_name; *codecs; num_codecs;

*platform_name; *platform_of_node; ... }

[in the future] struct snd_soc_dai_link { ... *cpus num_cpus;

*codecs; num_codecs;

*platform; ... }

Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/generic/audio-graph-card.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index 2094d2c..5b2ecf8 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -25,6 +25,7 @@ struct graph_card_data { struct graph_dai_props { struct asoc_simple_dai cpu_dai; struct asoc_simple_dai codec_dai; + struct snd_soc_dai_link_component codecs; /* single codec */ unsigned int mclk_fs; } *dai_props; unsigned int mclk_fs; @@ -213,7 +214,7 @@ static int asoc_graph_card_dai_link_of(struct device_node *cpu_port, ret = asoc_simple_card_set_dailink_name(dev, dai_link, "%s-%s", dai_link->cpu_dai_name, - dai_link->codec_dai_name); + dai_link->codecs->dai_name); if (ret < 0) goto dai_link_of_err;

@@ -299,7 +300,7 @@ static int asoc_graph_card_probe(struct platform_device *pdev) struct graph_dai_props *dai_props; struct device *dev = &pdev->dev; struct snd_soc_card *card; - int num, ret; + int num, ret, i;

/* Allocate the private data and the DAI link array */ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); @@ -315,6 +316,17 @@ static int asoc_graph_card_probe(struct platform_device *pdev) if (!dai_props || !dai_link) return -ENOMEM;

+ /* + * Use snd_soc_dai_link_component instead of legacy style + * It is codec only. but cpu/platform will be supported in the future. + * see + * soc-core.c :: snd_soc_init_multicodec() + */ + for (i = 0; i < num; i++) { + dai_link[i].codecs = &dai_props[i].codecs; + dai_link[i].num_codecs = 1; + } + priv->pa_gpio = devm_gpiod_get_optional(dev, "pa", GPIOD_OUT_LOW); if (IS_ERR(priv->pa_gpio)) { ret = PTR_ERR(priv->pa_gpio);

From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com

Current ASoC is supporting snd_soc_dai_link_component for binding, it is more useful than current legacy style. Currently only codec is supporting it as multicodec (= codecs). CPU will support multi style in the future. We want to have it on Platform too in the future.

If all Codec/CPU/Platform are replaced into snd_soc_dai_link_component style, we can remove legacy complex style. This patch supports snd_soc_dai_link_component style for audio-graph-scu-card for codec.

[current] struct snd_soc_dai_link { ... *cpu_name; *cpu_of_node; *cpu_dai_name;

*codec_name; *codec_of_node; *codec_dai_name; *codecs; num_codecs;

*platform_name; *platform_of_node; ... }

[in the future] struct snd_soc_dai_link { ... *cpus num_cpus;

*codecs; num_codecs;

*platform; ... }

Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/generic/audio-graph-scu-card.c | 27 +++++++++++++++++++++------ 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/sound/soc/generic/audio-graph-scu-card.c b/sound/soc/generic/audio-graph-scu-card.c index 043938f..8213d5f 100644 --- a/sound/soc/generic/audio-graph-scu-card.c +++ b/sound/soc/generic/audio-graph-scu-card.c @@ -27,6 +27,7 @@ struct graph_card_data { struct snd_soc_codec_conf codec_conf; struct graph_dai_props { struct asoc_simple_dai dai; + struct snd_soc_dai_link_component codecs; } *dai_props; struct snd_soc_dai_link *dai_link; struct asoc_simple_card_data adata; @@ -99,10 +100,13 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep, int ret;

if (is_fe) { + struct snd_soc_dai_link_component *codecs; + /* BE is dummy */ - dai_link->codec_of_node = NULL; - dai_link->codec_dai_name = "snd-soc-dummy-dai"; - dai_link->codec_name = "snd-soc-dummy"; + codecs = &dai_props->codecs; + codecs->of_node = NULL; + codecs->dai_name = "snd-soc-dummy-dai"; + codecs->name = "snd-soc-dummy";

/* FE settings */ dai_link->dynamic = 1; @@ -145,13 +149,13 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep,

ret = asoc_simple_card_set_dailink_name(dev, dai_link, "be.%s", - dai_link->codec_dai_name); + dai_link->codecs->dai_name); if (ret < 0) return ret;

snd_soc_of_parse_audio_prefix(card, &priv->codec_conf, - dai_link->codec_of_node, + dai_link->codecs->of_node, "prefix"); }

@@ -336,7 +340,7 @@ static int asoc_graph_card_probe(struct platform_device *pdev) struct graph_dai_props *dai_props; struct device *dev = &pdev->dev; struct snd_soc_card *card; - int num, ret; + int num, ret, i;

/* Allocate the private data and the DAI link array */ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); @@ -352,6 +356,17 @@ static int asoc_graph_card_probe(struct platform_device *pdev) if (!dai_props || !dai_link) return -ENOMEM;

+ /* + * Use snd_soc_dai_link_component instead of legacy style + * It is codec only. but cpu/platform will be supported in the future. + * see + * soc-core.c :: snd_soc_init_multicodec() + */ + for (i = 0; i < num; i++) { + dai_link[i].codecs = &dai_props[i].codecs; + dai_link[i].num_codecs = 1; + } + priv->dai_props = dai_props; priv->dai_link = dai_link;

From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com

Current struct snd_soc_dai_link is supporting multicodec, and it is supporting legacy style of codec_name codec_of_node code_dai_name This is handled as single entry of multicodec.

We don't have multicpu support yet, but in the future we will. In such case, we can use snd_soc_dai_link_component for both cpu/codec. Then the code will be more simple and readble.

As next step, we want to use it for platform, too. This patch adds snd_soc_dai_link_component style for platform. We might have multiplatform support in the future, but we don't know yet. To avoid un-known issue / complex code, this patch supports just single-platform as 1st step.

If we could use snd_soc_dai_link_component for all CPU/Codec/Platform, we will switch to new style, and remove legacy code. This is prepare for it.

Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- include/sound/soc.h | 2 ++ sound/soc/soc-core.c | 48 +++++++++++++++++++++++++++++++++++++++++------- 2 files changed, 43 insertions(+), 7 deletions(-)

diff --git a/include/sound/soc.h b/include/sound/soc.h index 41cec42..96c19aa 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -915,6 +915,8 @@ struct snd_soc_dai_link { */ const char *platform_name; struct device_node *platform_of_node; + struct snd_soc_dai_link_component *platform; + int id; /* optional ID for machine driver link identification */

const struct snd_soc_pcm_stream *params; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 473eefe..2a73630 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -892,8 +892,8 @@ static int soc_bind_dai_link(struct snd_soc_card *card, rtd->codec_dai = codec_dais[0];

/* if there's no platform we match on the empty platform */ - platform_name = dai_link->platform_name; - if (!platform_name && !dai_link->platform_of_node) + platform_name = dai_link->platform->name; + if (!platform_name && !dai_link->platform->of_node) platform_name = "snd-soc-dummy";

/* find one from the set of registered platforms */ @@ -902,8 +902,8 @@ static int soc_bind_dai_link(struct snd_soc_card *card, if (!platform_of_node && component->dev->parent->of_node) platform_of_node = component->dev->parent->of_node;

- if (dai_link->platform_of_node) { - if (platform_of_node != dai_link->platform_of_node) + if (dai_link->platform->of_node) { + if (platform_of_node != dai_link->platform->of_node) continue; } else { if (strcmp(component->name, platform_name)) @@ -1015,6 +1015,31 @@ static void soc_remove_dai_links(struct snd_soc_card *card) } }

+static int snd_soc_init_platform(struct snd_soc_card *card, + struct snd_soc_dai_link *dai_link) +{ + /* + * FIXME + * + * this function should be removed in the future + */ + /* convert Legacy platform link */ + if (dai_link->platform) + return 0; + + dai_link->platform = devm_kzalloc(card->dev, + sizeof(struct snd_soc_dai_link_component), + GFP_KERNEL); + if (!dai_link->platform) + return -ENOMEM; + + dai_link->platform->name = dai_link->platform_name; + dai_link->platform->of_node = dai_link->platform_of_node; + dai_link->platform->dai_name = NULL; + + return 0; +} + static int snd_soc_init_multicodec(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link) { @@ -1047,6 +1072,12 @@ static int soc_init_dai_link(struct snd_soc_card *card, { int i, 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"); @@ -1076,13 +1107,12 @@ static int soc_init_dai_link(struct snd_soc_card *card, * Platform may be specified by either name or OF node, but * can be left unspecified, and a dummy platform will be used. */ - if (link->platform_name && link->platform_of_node) { + if (link->platform->name && link->platform->of_node) { dev_err(card->dev, "ASoC: Both platform name/of_node are set for %s\n", link->name); return -EINVAL; } - /* * CPU device may be specified by either name or OF node, but * can be left unspecified, and will be matched based on DAI @@ -1917,7 +1947,11 @@ static void soc_check_tplg_fes(struct snd_soc_card *card) card->dai_link[i].name);

/* override platform component */ - dai_link->platform_name = component->name; + if (snd_soc_init_platform(card, dai_link) < 0) { + dev_err(card->dev, "init platform error"); + continue; + } + dai_link->platform->name = component->name;

/* convert non BE into BE */ dai_link->no_pcm = 1;

From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com

Current ASoC is supporting snd_soc_dai_link_component for binding, it is more useful than current legacy style. Currently only codec is supporting it as multicodec (= codecs). CPU will support multi style in the future. We want to have it on Platform too in the future.

If all Codec/CPU/Platform are replaced into snd_soc_dai_link_component style, we can remove legacy complex style. This patch supports snd_soc_dai_link_component style for simple-card for platform.

[current] struct snd_soc_dai_link { ... *cpu_name; *cpu_of_node; *cpu_dai_name;

*codec_name; *codec_of_node; *codec_dai_name; *codecs; num_codecs;

*platform_name; *platform_of_node; ... }

[in the future] struct snd_soc_dai_link { ... *cpus num_cpus;

*codecs; num_codecs;

*platform; ... }

Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/generic/simple-card.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index dd67516..06ece54 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -21,6 +21,7 @@ struct simple_card_data { struct asoc_simple_dai cpu_dai; struct asoc_simple_dai codec_dai; struct snd_soc_dai_link_component codecs; /* single codec */ + struct snd_soc_dai_link_component platform; unsigned int mclk_fs; } *dai_props; unsigned int mclk_fs; @@ -391,6 +392,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) for (i = 0; i < num; i++) { dai_link[i].codecs = &dai_props[i].codecs; dai_link[i].num_codecs = 1; + dai_link[i].platform = &dai_props[i].platform; }

priv->dai_props = dai_props; @@ -416,6 +418,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) } else { struct asoc_simple_card_info *cinfo; struct snd_soc_dai_link_component *codecs; + struct snd_soc_dai_link_component *platform;

cinfo = dev->platform_data; if (!cinfo) { @@ -436,10 +439,12 @@ static int asoc_simple_card_probe(struct platform_device *pdev) codecs->name = cinfo->codec; codecs->dai_name = cinfo->codec_dai.name;

+ platform = &dai_props->platform; + platform->name = cinfo->platform; + card->name = (cinfo->card) ? cinfo->card : cinfo->name; dai_link->name = cinfo->name; dai_link->stream_name = cinfo->name; - dai_link->platform_name = cinfo->platform; dai_link->cpu_dai_name = cinfo->cpu_dai.name; dai_link->dai_fmt = cinfo->daifmt; dai_link->init = asoc_simple_card_dai_init;

From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com

Current ASoC is supporting snd_soc_dai_link_component for binding, it is more useful than current legacy style. Currently only codec is supporting it as multicodec (= codecs). CPU will support multi style in the future. We want to have it on Platform too in the future.

If all Codec/CPU/Platform are replaced into snd_soc_dai_link_component style, we can remove legacy complex style. This patch supports snd_soc_dai_link_component style for audio-graph-card for platform.

[current] struct snd_soc_dai_link { ... *cpu_name; *cpu_of_node; *cpu_dai_name;

*codec_name; *codec_of_node; *codec_dai_name; *codecs; num_codecs;

*platform_name; *platform_of_node; ... }

[in the future] struct snd_soc_dai_link { ... *cpus num_cpus;

*codecs; num_codecs;

*platform; ... }

Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/generic/audio-graph-card.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index 5b2ecf8..fb6635f 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -26,6 +26,7 @@ struct graph_card_data { struct asoc_simple_dai cpu_dai; struct asoc_simple_dai codec_dai; struct snd_soc_dai_link_component codecs; /* single codec */ + struct snd_soc_dai_link_component platform; unsigned int mclk_fs; } *dai_props; unsigned int mclk_fs; @@ -325,6 +326,7 @@ static int asoc_graph_card_probe(struct platform_device *pdev) for (i = 0; i < num; i++) { dai_link[i].codecs = &dai_props[i].codecs; dai_link[i].num_codecs = 1; + dai_link[i].platform = &dai_props[i].platform; }

priv->pa_gpio = devm_gpiod_get_optional(dev, "pa", GPIOD_OUT_LOW);

From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com

Now no simple/audio cards are using legacy dai_link style for platform. Let's remove compatible code.

Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- sound/soc/generic/simple-card-utils.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index 644cd62..b400dbf1f 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -376,13 +376,9 @@ EXPORT_SYMBOL_GPL(asoc_simple_card_init_dai); int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link) { /* Assumes platform == cpu */ - if (dai_link->platform) { - if (!dai_link->platform->of_node) - dai_link->platform->of_node = dai_link->cpu_of_node; - } else { - if (!dai_link->platform_of_node) - dai_link->platform_of_node = dai_link->cpu_of_node; - } + if (!dai_link->platform->of_node) + dai_link->platform->of_node = dai_link->cpu_of_node; + return 0;

}