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Subject[PATCH 5.5 001/189] ASoC: intel/skl/hda - export number of digital microphones via control components
Date
From: Jaroslav Kysela <perex@perex.cz>

[ Upstream commit 8cd9956f61c65022209ce6d1e55ed12aea12357d ]

It is required for the auto-detection in the user space (for UCM).

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20191204211556.12671-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/soc/intel/boards/skl_hda_dsp_generic.c | 8 ++++++++
sound/soc/sof/intel/hda.c | 3 ++-
2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/sound/soc/intel/boards/skl_hda_dsp_generic.c b/sound/soc/intel/boards/skl_hda_dsp_generic.c
index 4e45901e3a2f1..11eaee9ae41f7 100644
--- a/sound/soc/intel/boards/skl_hda_dsp_generic.c
+++ b/sound/soc/intel/boards/skl_hda_dsp_generic.c
@@ -100,6 +100,8 @@ static struct snd_soc_card hda_soc_card = {
.late_probe = skl_hda_card_late_probe,
};

+static char hda_soc_components[30];
+
#define IDISP_DAI_COUNT 3
#define HDAC_DAI_COUNT 2
#define DMIC_DAI_COUNT 2
@@ -183,6 +185,12 @@ static int skl_hda_audio_probe(struct platform_device *pdev)
hda_soc_card.dev = &pdev->dev;
snd_soc_card_set_drvdata(&hda_soc_card, ctx);

+ if (mach->mach_params.dmic_num > 0) {
+ snprintf(hda_soc_components, sizeof(hda_soc_components),
+ "cfg-dmics:%d", mach->mach_params.dmic_num);
+ hda_soc_card.components = hda_soc_components;
+ }
+
return devm_snd_soc_register_card(&pdev->dev, &hda_soc_card);
}

diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index 82ecadda886c6..a1780259292fa 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -351,7 +351,7 @@ static int hda_init_caps(struct snd_sof_dev *sdev)
const char *tplg_filename;
const char *idisp_str;
const char *dmic_str;
- int dmic_num;
+ int dmic_num = 0;
int codec_num = 0;
int i;
#endif
@@ -472,6 +472,7 @@ static int hda_init_caps(struct snd_sof_dev *sdev)
mach_params->codec_mask = bus->codec_mask;
mach_params->platform = dev_name(sdev->dev);
mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi;
+ mach_params->dmic_num = dmic_num;
}

/* create codec instances */
--
2.20.1


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