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 --- sound/soc/fsl/fsl_asrc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index 0b937924d2e4..5b8adc7fb117 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -282,10 +282,10 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair) return -EINVAL; }
- if ((outrate > 8000 && outrate < 30000) && - (outrate/inrate > 24 || inrate/outrate > 8)) { - pair_err("exceed supported ratio range [1/24, 8] for \ - inrate/outrate: %d/%d\n", inrate, outrate); + 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; }