Patch "ASoC: fsl_spdif: Silence output on stop" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

    ASoC: fsl_spdif: Silence output on stop

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     asoc-fsl_spdif-silence-output-on-stop.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit c607e8cd275a078ee1a5662522638645aed96939
Author: Matus Gajdos <matuszpd@xxxxxxxxx>
Date:   Wed Jul 19 18:47:29 2023 +0200

    ASoC: fsl_spdif: Silence output on stop
    
    [ Upstream commit 0e4c2b6b0c4a4b4014d9424c27e5e79d185229c5 ]
    
    Clear TX registers on stop to prevent the SPDIF interface from sending
    last written word over and over again.
    
    Fixes: a2388a498ad2 ("ASoC: fsl: Add S/PDIF CPU DAI driver")
    Signed-off-by: Matus Gajdos <matuszpd@xxxxxxxxx>
    Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>
    Link: https://lore.kernel.org/r/20230719164729.19969-1-matuszpd@xxxxxxxxx
    Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index 275aba8e0c469..fb6806b2db859 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -751,6 +751,8 @@ static int fsl_spdif_trigger(struct snd_pcm_substream *substream,
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 		regmap_update_bits(regmap, REG_SPDIF_SCR, dmaen, 0);
 		regmap_update_bits(regmap, REG_SPDIF_SIE, intr, 0);
+		regmap_write(regmap, REG_SPDIF_STL, 0x0);
+		regmap_write(regmap, REG_SPDIF_STR, 0x0);
 		break;
 	default:
 		return -EINVAL;



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