From 6e13567d2fdf54ce00212cac7ecd5418648da749 Mon Sep 17 00:00:00 2001
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Tue, 8 Mar 2022 13:26:09 -0600
Subject: [PATCH] ASoC: Intel: sof_es8336: add cfg-dmics component for UCM support
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Git-commit: 6e13567d2fdf54ce00212cac7ecd5418648da749
Patch-mainline: v5.18-rc1
References: jsc#PED-850
The presence of DMICs needs to be signaled to UCM, follow the HDaudio
example and use the 'cfg-dmics' component string to report the number
of dmics present on the platform.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20220308192610.392950-20-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
sound/soc/intel/boards/sof_es8336.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/sound/soc/intel/boards/sof_es8336.c b/sound/soc/intel/boards/sof_es8336.c
index 32f5303041b8..5e0529aa4f1d 100644
--- a/sound/soc/intel/boards/sof_es8336.c
+++ b/sound/soc/intel/boards/sof_es8336.c
@@ -459,6 +459,8 @@ static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
return NULL;
}
+static char soc_components[30];
+
/* i2c-<HID>:00 with HID being 8 chars */
static char codec_name[SND_ACPI_I2C_ID_LEN];
@@ -594,6 +596,12 @@ static int sof_es8336_probe(struct platform_device *pdev)
snd_soc_card_set_drvdata(card, priv);
+ if (mach->mach_params.dmic_num > 0) {
+ snprintf(soc_components, sizeof(soc_components),
+ "cfg-dmics:%d", mach->mach_params.dmic_num);
+ card->components = soc_components;
+ }
+
ret = devm_snd_soc_register_card(dev, card);
if (ret) {
gpiod_put(priv->gpio_pa);
--
2.35.3