| Message ID | 20171109002741.10897-8-afd@ti.com |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | Add Headphone Detection to TLV320AIC31xx Driver | expand |
On Wed, Nov 08, 2017 at 06:27:31PM -0600, Andrew F. Davis wrote: > Leaving microphone bias off is a valid setting and even used in the DT > binding document example. Add this setting here and document the same. > > Signed-off-by: Andrew F. Davis <afd@ti.com> > --- > Documentation/devicetree/bindings/sound/tlv320aic31xx.txt | 1 + > include/dt-bindings/sound/tlv320aic31xx-micbias.h | 1 + > sound/soc/codecs/tlv320aic31xx.c | 1 + > 3 files changed, 3 insertions(+) Acked-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt b/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt index 4c4e77f97d87..a56b40a1726c 100644 --- a/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt +++ b/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt @@ -24,6 +24,7 @@ Optional properties: - reset-gpio - GPIO specification for the active low RESET input. - ai31xx-micbias-vg - MicBias Voltage setting + 0 or MICBIAS_OFF - MICBIAS output is powered off 1 or MICBIAS_2_0V - MICBIAS output is powered to 2.0V 2 or MICBIAS_2_5V - MICBIAS output is powered to 2.5V 3 or MICBIAS_AVDD - MICBIAS output is connected to AVDD diff --git a/include/dt-bindings/sound/tlv320aic31xx-micbias.h b/include/dt-bindings/sound/tlv320aic31xx-micbias.h index c6895a18a455..069484070fcf 100644 --- a/include/dt-bindings/sound/tlv320aic31xx-micbias.h +++ b/include/dt-bindings/sound/tlv320aic31xx-micbias.h @@ -2,6 +2,7 @@ #ifndef __DT_TLV320AIC31XX_MICBIAS_H #define __DT_TLV320AIC31XX_MICBIAS_H +#define MICBIAS_OFF 0 #define MICBIAS_2_0V 1 #define MICBIAS_2_5V 2 #define MICBIAS_AVDDV 3 diff --git a/sound/soc/codecs/tlv320aic31xx.c b/sound/soc/codecs/tlv320aic31xx.c index 44502a847af4..e8eb3de7af7b 100644 --- a/sound/soc/codecs/tlv320aic31xx.c +++ b/sound/soc/codecs/tlv320aic31xx.c @@ -1313,6 +1313,7 @@ static int aic31xx_i2c_probe(struct i2c_client *i2c, fwnode_property_read_u32(aic31xx->dev->fwnode, "ai31xx-micbias-vg", &micbias_value); switch (micbias_value) { + case MICBIAS_OFF: case MICBIAS_2_0V: case MICBIAS_2_5V: case MICBIAS_AVDDV:
Leaving microphone bias off is a valid setting and even used in the DT binding document example. Add this setting here and document the same. Signed-off-by: Andrew F. Davis <afd@ti.com> --- Documentation/devicetree/bindings/sound/tlv320aic31xx.txt | 1 + include/dt-bindings/sound/tlv320aic31xx-micbias.h | 1 + sound/soc/codecs/tlv320aic31xx.c | 1 + 3 files changed, 3 insertions(+)