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authorBogdan Togorean <bogdan.togorean@gmail.com>2019-02-19 16:11:39 +0200
committerMark Brown <broonie@kernel.org>2019-02-19 15:23:47 +0000
commit65d257ee12860340947bbc336243b4a9a5d721df (patch)
tree1501da5168150675994ba08a15c525d4ddd88eb7 /sound/soc
parentfb7a97456e324b4ac13044db17a4f5b974e49e33 (diff)
downloadlinux-stericsson-65d257ee12860340947bbc336243b4a9a5d721df.tar.gz
ASoC: adau1977: Add support for setting MICBIAS via DT
If platform_data is NULL add reading of optional adi,micbias property from DT. If adi,micbias is not set keep the default value for micbias. Signed-off-by: Bogdan Togorean <bogdan.togorean@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/codecs/adau1977.c12
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,