diff options
Diffstat (limited to 'sound/soc/fsl/fsl_micfil.c')
| -rw-r--r-- | sound/soc/fsl/fsl_micfil.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c index 7b88d52f27de..53e105a93d75 100644 --- a/sound/soc/fsl/fsl_micfil.c +++ b/sound/soc/fsl/fsl_micfil.c @@ -48,6 +48,7 @@ struct fsl_micfil { char name[32]; int irq[MICFIL_IRQ_LINES]; enum quality quality; + int dc_remover; }; struct fsl_micfil_soc_data { @@ -317,12 +318,25 @@ static const struct snd_soc_dai_ops fsl_micfil_dai_ops = { static int fsl_micfil_dai_probe(struct snd_soc_dai *cpu_dai) { struct fsl_micfil *micfil = dev_get_drvdata(cpu_dai->dev); - int ret; + struct device *dev = cpu_dai->dev; + unsigned int val = 0; + int ret, i; + + micfil->quality = QUALITY_VLOW0; - micfil->quality = QUALITY_MEDIUM; + /* set default gain to 2 */ + regmap_write(micfil->regmap, REG_MICFIL_OUT_CTRL, 0x22222222); - /* set default gain to max_gain */ - regmap_write(micfil->regmap, REG_MICFIL_OUT_CTRL, 0x77777777); + /* set DC Remover in bypass mode*/ + for (i = 0; i < MICFIL_OUTPUT_CHANNELS; i++) + val |= MICFIL_DC_BYPASS << MICFIL_DC_CHX_SHIFT(i); + ret = regmap_update_bits(micfil->regmap, REG_MICFIL_DC_CTRL, + MICFIL_DC_CTRL_CONFIG, val); + if (ret) { + dev_err(dev, "failed to set DC Remover mode bits\n"); + return ret; + } + micfil->dc_remover = MICFIL_DC_BYPASS; snd_soc_dai_init_dma_data(cpu_dai, NULL, &micfil->dma_params_rx); |