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ASoC: fsl_asrc: use internal measured ratio for non-ideal ratio mode

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[ Upstream commit cbe876121633dadb2b0ce52711985328638e9aab ]

When USRC=0, there is underrun issue for the non-ideal ratio mode;
according to the reference mannual, the internal measured ratio can be
used with USRC=1 and IDRC=0.

Fixes: d0250cf4f2 ("ASoC: fsl_asrc: Add an option to select internal ratio mode")
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Link: https://patch.msgid.link/20250625020504.2728161-1-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Shengjiu Wang
2025-06-25 10:05:04 +08:00
committed by Greg Kroah-Hartman
parent a2130463fc
commit 8f2d162c4b
1 changed files with 2 additions and 1 deletions
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3
sound/soc/fsl/fsl_asrc.c
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@@ -513,7 +513,8 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate)
regmap_update_bits(asrc->regmap, REG_ASRCTR,
ASRCTR_ATSi_MASK(index), ASRCTR_ATS(index));
regmap_update_bits(asrc->regmap, REG_ASRCTR,
ASRCTR_USRi_MASK(index), 0);
ASRCTR_IDRi_MASK(index) | ASRCTR_USRi_MASK(index),
ASRCTR_USR(index));
/* Set the input and output clock sources */
regmap_update_bits(asrc->regmap, REG_ASRCSR,