diff options
| -rw-r--r-- | sound/soc/fsl/fsl_easrc.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c index c7917ccf8c82..4659844ff997 100644 --- a/sound/soc/fsl/fsl_easrc.c +++ b/sound/soc/fsl/fsl_easrc.c @@ -200,6 +200,12 @@ static int set_rs_ratio(struct fsl_easrc_context *ctx) val = ((uint64_t)in_rate << frac_bits) / out_rate; r = (uint32_t *)&val; + + if (r[1] & 0xFFFFF000) { + dev_err(&easrc->pdev->dev, "ratio exceed range\n"); + return -EINVAL; + } + ret = regmap_write(easrc->regmap, REG_EASRC_RRL(ctx->index), EASRC_RRL_RS_RL(r[0])); @@ -2267,6 +2273,7 @@ static int fsl_easrc_probe(struct platform_device *pdev) struct device_node *np; void __iomem *regs; int ret, irq; + u32 rstap = 0; u32 width; easrc = devm_kzalloc(&pdev->dev, sizeof(*easrc), GFP_KERNEL); @@ -2316,9 +2323,24 @@ static int fsl_easrc_probe(struct platform_device *pdev) /*Set default value*/ easrc->chn_avail = 32; - easrc->rs_num_taps = EASRC_RS_128_TAPS; easrc->const_coeff = 0x3FF0000000000000; + of_property_read_u32(np, "fsl,asrc-rstap", &rstap); + switch (rstap) { + case 32: + easrc->rs_num_taps = EASRC_RS_32_TAPS; + break; + case 64: + easrc->rs_num_taps = EASRC_RS_64_TAPS; + break; + case 128: + easrc->rs_num_taps = EASRC_RS_128_TAPS; + break; + default: + easrc->rs_num_taps = EASRC_RS_32_TAPS; + break; + } + ret = of_property_read_u32(np, "fsl,asrc-rate", &easrc->easrc_rate); if (ret) { |