From: "Andrew F. Davis" <afd@ti.com>
To: Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>
Cc: <alsa-devel@alsa-project.org>, <linux-kernel@vger.kernel.org>,
"Andrew F . Davis" <afd@ti.com>
Subject: [PATCH v3 04/10] ASoC: tlv320aic31xx: Add MICBIAS off setting
Date: Thu, 7 Dec 2017 09:38:54 -0600 [thread overview]
Message-ID: <20171207153900.9831-5-afd@ti.com> (raw)
In-Reply-To: <20171207153900.9831-1-afd@ti.com>
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>
Acked-by: Rob Herring <robh@kernel.org>
---
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(+)
diff --git a/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt b/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt
index 5b3c33bb99e5..411cc46a2c58 100644
--- a/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt
+++ b/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt
@@ -24,6 +24,7 @@ Optional properties:
- reset-gpios - 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 266141d841e7..44950c1f2532 100644
--- a/sound/soc/codecs/tlv320aic31xx.c
+++ b/sound/soc/codecs/tlv320aic31xx.c
@@ -1320,6 +1320,7 @@ 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:
--
2.15.0
next prev parent reply other threads:[~2017-12-07 15:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-07 15:38 [PATCH v3 00/10] Add Headphone Detection to TLV320AIC31xx Driver Andrew F. Davis
2017-12-07 15:38 ` [PATCH v3 01/10] ASoC: tlv320aic31xx: Fix GPIO header includes Andrew F. Davis
2017-12-07 15:38 ` [PATCH v3 02/10] ASoC: tlv320aic31xx: Use fwnode APIs over raw OF calls Andrew F. Davis
2017-12-07 15:38 ` [PATCH v3 03/10] ASoC: tlv320aic31xx: Remove platform data Andrew F. Davis
2017-12-07 15:38 ` Andrew F. Davis [this message]
2017-12-07 15:38 ` [PATCH v3 05/10] ASoC: tlv320aic31xx: Remove regulator notification handling Andrew F. Davis
2017-12-07 15:38 ` [PATCH v3 06/10] ASoC: tlv320aic31xx: Reset registers during power up Andrew F. Davis
2017-12-07 15:38 ` [PATCH v3 07/10] ASoC: tlv320aic31xx: Add short circuit detection support Andrew F. Davis
2017-12-07 15:38 ` [PATCH v3 08/10] ASoC: tlv320aic31xx: Add overflow " Andrew F. Davis
2017-12-07 15:38 ` [PATCH v3 09/10] ASoC: tlv320aic31xx: Add headphone/headset detection Andrew F. Davis
2017-12-07 15:39 ` [PATCH v3 10/10] ASoC: tlv320aic31xx: Add button press detection Andrew F. Davis
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