diff options
Diffstat (limited to 'sound/soc/codecs/adau1977.c')
| -rw-r--r-- | sound/soc/codecs/adau1977.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/sound/soc/codecs/adau1977.c b/sound/soc/codecs/adau1977.c index 116af6a9ce3b..11c53bcb71dd 100644 --- a/sound/soc/codecs/adau1977.c +++ b/sound/soc/codecs/adau1977.c @@ -885,13 +885,15 @@ static int adau1977_setup_micbias(struct adau1977 *adau1977) struct adau1977_platform_data *pdata = adau1977->dev->platform_data; unsigned int micbias; - if (pdata) { + if (pdata) micbias = pdata->micbias; - if (micbias > ADAU1977_MICBIAS_9V0) - return -EINVAL; - - } else { + else if (device_property_read_u32(adau1977->dev, "adi,micbias", + &micbias)) micbias = ADAU1977_MICBIAS_8V5; + + if (micbias > ADAU1977_MICBIAS_9V0) { + dev_err(adau1977->dev, "Invalid value for 'adi,micbias'\n"); + return -EINVAL; } return regmap_update_bits(adau1977->regmap, ADAU1977_REG_MICBIAS, |