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Date: Mon, 22 Apr 2019 02:32:32 +0000 From: "S.j. Wang" <shengjiu.wang@....com> To: "timur@...nel.org" <timur@...nel.org>, "nicoleotsuka@...il.com" <nicoleotsuka@...il.com>, "Xiubo.Lee@...il.com" <Xiubo.Lee@...il.com>, "festevam@...il.com" <festevam@...il.com>, "broonie@...nel.org" <broonie@...nel.org>, "alsa-devel@...a-project.org" <alsa-devel@...a-project.org> CC: "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: [PATCH V5 1/3] ASoC: fsl_asrc: Fix the issue about unsupported rate 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: fff6e03c7b65 ("ASoC: fsl_asrc: add support for 8-30kHz output sample rate") Cc: <stable@...r.kernel.org> Signed-off-by: Shengjiu Wang <shengjiu.wang@....com> --- sound/soc/fsl/fsl_asrc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index 0b937924d2e4..ea035c12a325 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -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; -- 1.9.1
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