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From: Alexander Shiyan <shc_work@mail.ru>
To: alsa-devel@alsa-project.org
Cc: Alexander Shiyan <shc_work@mail.ru>,
	Timur Tabi <timur@kernel.org>, Xiubo Li <Xiubo.Lee@gmail.com>,
	Fabio Estevam <festevam@gmail.com>, Takashi Iwai <tiwai@suse.com>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Nicolin Chen <nicoleotsuka@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	Shengjiu Wang <shengjiu.wang@gmail.com>
Subject: [PATCH] ASoC: fsl_esai: Fix TDM slot setup for I2S mode
Date: Fri,  2 Apr 2021 11:14:05 +0300
Message-ID: <20210402081405.9892-1-shc_work@mail.ru> (raw)

When using the driver in I2S TDM mode, the fsl_esai_startup()
function rewrites the number of slots previously set by the
fsl_esai_set_dai_tdm_slot() function to 2.
To fix this, let's use the saved slot count value or, if TDM
is not used and the number of slots is not set, the driver will use
the default value (2), which is set by fsl_esai_probe().

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
---
 sound/soc/fsl/fsl_esai.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c
index 08056fa0a0fa..a857a624864f 100644
--- a/sound/soc/fsl/fsl_esai.c
+++ b/sound/soc/fsl/fsl_esai.c
@@ -519,11 +519,13 @@ static int fsl_esai_startup(struct snd_pcm_substream *substream,
 				   ESAI_SAICR_SYNC, esai_priv->synchronous ?
 				   ESAI_SAICR_SYNC : 0);
 
-		/* Set a default slot number -- 2 */
+		/* Set slots count */
 		regmap_update_bits(esai_priv->regmap, REG_ESAI_TCCR,
-				   ESAI_xCCR_xDC_MASK, ESAI_xCCR_xDC(2));
+				   ESAI_xCCR_xDC_MASK,
+				   ESAI_xCCR_xDC(esai_priv->slots));
 		regmap_update_bits(esai_priv->regmap, REG_ESAI_RCCR,
-				   ESAI_xCCR_xDC_MASK, ESAI_xCCR_xDC(2));
+				   ESAI_xCCR_xDC_MASK,
+				   ESAI_xCCR_xDC(esai_priv->slots));
 	}
 
 	return 0;
-- 
2.26.2


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Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-02  8:14 Alexander Shiyan [this message]
2021-04-02  8:57 ` Nicolin Chen
2021-04-02 16:45 ` Mark Brown

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