[alsa-devel] [PATCH v3 1/2] ASoC: Intel - use control components to describe card config

[Jaroslav Kysela]

Use the control interface (field 'components' in the info structure)
to pass the I/O configuration details. The goal is to replace
the card long name with this.

Signed-off-by: Jaroslav Kysela <perex at perex.cz>
Cc: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
Cc: Mark Brown <broonie at kernel.org>
---
 sound/soc/intel/boards/bytcht_es8316.c | 10 +++++++++-
 sound/soc/intel/boards/bytcr_rt5640.c  |  6 ++++++
 sound/soc/intel/boards/bytcr_rt5651.c  | 18 +++++++++++-------
 3 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/sound/soc/intel/boards/bytcht_es8316.c b/sound/soc/intel/boards/bytcht_es8316.c
index 46612331f5ea..4090550f0fe1 100644
--- a/sound/soc/intel/boards/bytcht_es8316.c
+++ b/sound/soc/intel/boards/bytcht_es8316.c
@@ -361,6 +361,7 @@ static struct snd_soc_dai_link byt_cht_es8316_dais[] = {
 /* SoC card */
 static char codec_name[SND_ACPI_I2C_ID_LEN];
 static char long_name[50]; /* = "bytcht-es8316-*-spk-*-mic" */
+static char components_string[32]; /* = "cfg-spk:* cfg-mic:* */
 
 static int byt_cht_es8316_suspend(struct snd_soc_card *card)
 {
@@ -572,17 +573,24 @@ static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
 		}
 	}
 
-	/* register the soc card */
+	snprintf(components_string, sizeof(components_string),
+		 "cfg-spk:%s cfg-mic:%s",
+		 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "1" : "2",
+		 mic_name[BYT_CHT_ES8316_MAP(quirk)]);
+	byt_cht_es8316_card.components = components_string;
 	snprintf(long_name, sizeof(long_name), "bytcht-es8316-%s-spk-%s-mic",
 		 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "mono" : "stereo",
 		 mic_name[BYT_CHT_ES8316_MAP(quirk)]);
 	byt_cht_es8316_card.long_name = long_name;
+
+	/* register the soc card */
 	snd_soc_card_set_drvdata(&byt_cht_es8316_card, priv);
 
 	ret = devm_snd_soc_register_card(dev, &byt_cht_es8316_card);
 	if (ret) {
 		gpiod_put(priv->speaker_en_gpio);
 		dev_err(dev, "snd_soc_register_card failed: %d\n", ret);
+
 		return ret;
 	}
 	platform_set_drvdata(pdev, &byt_cht_es8316_card);
diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index 9c1aa4ec9cba..0170d31e691a 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -1081,6 +1081,7 @@ static char byt_rt5640_codec_name[SND_ACPI_I2C_ID_LEN];
 static char byt_rt5640_codec_aif_name[12]; /*  = "rt5640-aif[1|2]" */
 static char byt_rt5640_cpu_dai_name[10]; /*  = "ssp[0|2]-port" */
 static char byt_rt5640_long_name[40]; /* = "bytcr-rt5640-*-spk-*-mic" */
+static char byt_rt5640_components[32]; /* = "cfg-spk:* cfg-mic:*" */
 
 static int byt_rt5640_suspend(struct snd_soc_card *card)
 {
@@ -1303,6 +1304,11 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
 		}
 	}
 
+	snprintf(byt_rt5640_components, sizeof(byt_rt5640_components),
+		 "cfg-spk:%s cfg-mic:%s",
+		 (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) ? "1" : "2",
+		 map_name[BYT_RT5640_MAP(byt_rt5640_quirk)]);
+	byt_rt5640_card.components = byt_rt5640_components;
 	snprintf(byt_rt5640_long_name, sizeof(byt_rt5640_long_name),
 		 "bytcr-rt5640-%s-spk-%s-mic",
 		 (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) ?
diff --git a/sound/soc/intel/boards/bytcr_rt5651.c b/sound/soc/intel/boards/bytcr_rt5651.c
index 4606f6f582d6..80a5674ddb1b 100644
--- a/sound/soc/intel/boards/bytcr_rt5651.c
+++ b/sound/soc/intel/boards/bytcr_rt5651.c
@@ -798,6 +798,7 @@ static char byt_rt5651_codec_name[SND_ACPI_I2C_ID_LEN];
 static char byt_rt5651_codec_aif_name[12]; /*  = "rt5651-aif[1|2]" */
 static char byt_rt5651_cpu_dai_name[10]; /*  = "ssp[0|2]-port" */
 static char byt_rt5651_long_name[50]; /* = "bytcr-rt5651-*-spk-*-mic[-swapped-hp]" */
+static char byt_rt5651_components[50]; /* = "cfg-spk:* cfg-mic:*" */
 
 static int byt_rt5651_suspend(struct snd_soc_card *card)
 {
@@ -876,7 +877,6 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
 	const char *platform_name;
 	struct acpi_device *adev;
 	struct device *codec_dev;
-	const char *hp_swapped;
 	bool is_bytcr = false;
 	int ret_val = 0;
 	int dai_index = 0;
@@ -1080,16 +1080,20 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
 		}
 	}
 
-	if (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED)
-		hp_swapped = "-hp-swapped";
-	else
-		hp_swapped = "";
-
+	snprintf(byt_rt5651_components, sizeof(byt_rt5651_components),
+		 "cfg-spk:%s cfg-mic:%s%s",
+		 (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) ? "1" : "2",
+		 mic_name[BYT_RT5651_MAP(byt_rt5651_quirk)],
+		 (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED) ?
+			" cfg-hp:lrswap" : "");
+	byt_rt5651_card.components = byt_rt5651_components;
 	snprintf(byt_rt5651_long_name, sizeof(byt_rt5651_long_name),
 		 "bytcr-rt5651-%s-spk-%s-mic%s",
 		 (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) ?
 			"mono" : "stereo",
-		 mic_name[BYT_RT5651_MAP(byt_rt5651_quirk)], hp_swapped);
+		 mic_name[BYT_RT5651_MAP(byt_rt5651_quirk)],
+		 (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED) ?
+			"-hp-swapped" : "");
 	byt_rt5651_card.long_name = byt_rt5651_long_name;
 
 	/* override plaform name, if required */
-- 
2.20.1