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ASoC: fsl_asrc: Fix the issue about unsupported rate

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When the output sample rate is [8kHz, 30kHz], the limitation
of the supported ratio range is [1/24, 8]. In the driver
we use (8kHz, 30kHz) instead of [8kHz, 30kHz].
So this patch is to fix this issue and the potential rounding
issue with divider.

Fixes: fff6e03c7b ("ASoC: fsl_asrc: add support for 8-30kHz
output sample rate")
Cc: <stable@vger.kernel.org>
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
S.j. Wang 2019-05-15 06:42:18 +00:00 committed by Mark Brown
parent 176a11834b
commit b06c58c2a1
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GPG key ID: 24D68B725D5487D0
1 changed files with 2 additions and 2 deletions
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4
sound/soc/fsl/fsl_asrc.c
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@ -282,8 +282,8 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair)
return -EINVAL;
}
if ((outrate > 8000 && outrate < 30000) &&
(outrate/inrate > 24 || inrate/outrate > 8)) {
if ((outrate >= 8000 && outrate <= 30000) &&
(outrate > 24 * inrate || inrate > 8 * outrate)) {
pair_err("exceed supported ratio range [1/24, 8] for \
inrate/outrate: %d/%d\n", inrate, outrate);
return -EINVAL;