linux-kernel - [PATCHv4 6/9] ASoC: fsl-asoc-card: add use of devicetree TDM slot properties

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Date: Wed, 15 May 2024 15:54:08 +0200
From: Elinor Montmasson <elinor.montmasson@...oirfairelinux.com>
To: Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shengjiu Wang <shengjiu.wang@...il.com>,
	Xiubo Li <Xiubo.Lee@...il.com>,
	Fabio Estevam <festevam@...il.com>,
	Nicolin Chen <nicoleotsuka@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>
Cc: linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org,
	linuxppc-dev@...ts.ozlabs.org,
	Elinor Montmasson <elinor.montmasson@...oirfairelinux.com>
Subject: [PATCHv4 6/9] ASoC: fsl-asoc-card: add use of devicetree TDM slot properties

Add use of optional TDM slot properties "dai-tdm-slot-num" and
"dai-tdm-slot-width" through snd_soc_of_parse_tdm_slot().
They allow setting a custom TDM slot width in bits and number of slots
for the CPU DAI when using the generic codec.

Signed-off-by: Elinor Montmasson <elinor.montmasson@...oirfairelinux.com>
---
 sound/soc/fsl/fsl-asoc-card.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index 82ed7f4e81a1..9aca8ad15372 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -751,6 +751,9 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 		priv->dai_link[0].num_codecs = 2;
 		priv->dai_link[2].num_codecs = 2;
 		priv->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
+		snd_soc_of_parse_tdm_slot(np, NULL, NULL,
+						&priv->cpu_priv.slot_num,
+						&priv->cpu_priv.slot_width);
 	} else {
 		dev_err(&pdev->dev, "unknown Device Tree compatible\n");
 		ret = -EINVAL;
-- 
2.34.1