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ASoC: fsl_spdif: Silence output on stop

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[ Upstream commit 0e4c2b6b0c ]

Clear TX registers on stop to prevent the SPDIF interface from sending
last written word over and over again.

Fixes: a2388a498a ("ASoC: fsl: Add S/PDIF CPU DAI driver")
Signed-off-by: Matus Gajdos <matuszpd@gmail.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20230719164729.19969-1-matuszpd@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Matus Gajdos 2023-07-19 18:47:29 +02:00 • committed by Justin Hammond
parent 0b15d78b78
commit d7821a5e45
1 changed files with 2 additions and 0 deletions
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2
sound/soc/fsl/fsl_spdif.c
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@ -666,6 +666,8 @@ 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;