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Subject: [PATCH RESEND V6 1/3] ASoC: fsl_asrc: Fix the issue about unsupported
 rate
Thread-Topic: [PATCH RESEND V6 1/3] ASoC: fsl_asrc: Fix the issue about
 unsupported rate
Thread-Index: AQHVCulX/msqLPxGqkq8Gi2IHVVNxw==
Date:   Wed, 15 May 2019 06:42:18 +0000
Message-ID: <e0c519d616b48a1481c9f239646517b453e7ce50.1557901312.git.shengjiu.wang@nxp.com>
References: <cover.1557901312.git.shengjiu.wang@nxp.com>
In-Reply-To: <cover.1557901312.git.shengjiu.wang@nxp.com>
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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: fff6e03c7b65 ("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>
---
 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 *p=
air)
 		return -EINVAL;
 	}
=20
-	if ((outrate > 8000 && outrate < 30000) &&
-	    (outrate/inrate > 24 || inrate/outrate > 8)) {
+	if ((outrate >=3D 8000 && outrate <=3D 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;
--=20
2.21.0