Unverified Commit 390ebb24 authored by Nícolas F. R. A. Prado's avatar Nícolas F. R. A. Prado Committed by Mark Brown
Browse files

ASoC: mediatek: mt8188-mt6359: Add DMIC support 



Add the DMIC backend, which connects to the DMIC DAI in the platform
driver, as well as a "AP DMIC" mic widget. On the Genio 700 EVK board
the dual DMIC on-board are wired through that DMIC DAI.

Co-developed-by: default avatarparkeryang <Parker.Yang@mediatek.com>
Signed-off-by: default avatarparkeryang <Parker.Yang@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: default avatarNícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://patch.msgid.link/20250225-genio700-dmic-v2-5-3076f5b50ef7@collabora.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c1e42ec0

sound/soc/mediatek/mt8188/mt8188-mt6359.c

+14 −0
Original line number Diff line number Diff line
@@ -150,6 +150,11 @@ SND_SOC_DAILINK_DEFS(dl_src, 
						   "mt6359-snd-codec-aif1")),

		     DAILINK_COMP_ARRAY(COMP_EMPTY()));



SND_SOC_DAILINK_DEFS(DMIC_BE,

		     DAILINK_COMP_ARRAY(COMP_CPU("DMIC")),

		     DAILINK_COMP_ARRAY(COMP_DUMMY()),

		     DAILINK_COMP_ARRAY(COMP_EMPTY()));



SND_SOC_DAILINK_DEFS(dptx,

		     DAILINK_COMP_ARRAY(COMP_CPU("DPTX")),

		     DAILINK_COMP_ARRAY(COMP_DUMMY()),
@@ -297,6 +302,7 @@ static const struct snd_soc_dapm_widget mt8188_rear_spk_widgets[] = { 
static const struct snd_soc_dapm_widget mt8188_mt6359_widgets[] = {

	SND_SOC_DAPM_HP("Headphone", NULL),

	SND_SOC_DAPM_MIC("Headset Mic", NULL),

	SND_SOC_DAPM_MIC("AP DMIC", NULL),

	SND_SOC_DAPM_SINK("HDMI"),

	SND_SOC_DAPM_SINK("DP"),

	SND_SOC_DAPM_MIXER(SOF_DMA_DL2, SND_SOC_NOPM, 0, 0, NULL, 0),
@@ -533,6 +539,7 @@ enum { 
	DAI_LINK_UL9_FE,

	DAI_LINK_UL10_FE,

	DAI_LINK_DL_SRC_BE,

	DAI_LINK_DMIC_BE,

	DAI_LINK_DPTX_BE,

	DAI_LINK_ETDM1_IN_BE,

	DAI_LINK_ETDM2_IN_BE,
@@ -1120,6 +1127,13 @@ static struct snd_soc_dai_link mt8188_mt6359_dai_links[] = { 
		.playback_only = 1,

		SND_SOC_DAILINK_REG(dl_src),

	},

	[DAI_LINK_DMIC_BE] = {

		.name = "DMIC_BE",

		.no_pcm = 1,

		.capture_only = 1,

		.ignore_suspend = 1,

		SND_SOC_DAILINK_REG(DMIC_BE),

	},

	[DAI_LINK_DPTX_BE] = {

		.name = "DPTX_BE",

		.ops = &mt8188_dptx_ops,