From: Arun Bharadwaj <arun@gumstix.com>
To: "Benoît Cousson" <bcousson@baylibre.com>,
"Tony Lindgren" <tony@atomide.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Pawel Moll" <pawel.moll@arm.com>,
"Mark Rutland" <mark.rutland@arm.com>,
"Ian Campbell" <ijc+devicetree@hellion.org.uk>,
"Kumar Gala" <galak@codeaurora.org>,
"Russell King" <linux@arm.linux.org.uk>,
linux-omap@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Adam YH Lee <adam.yh.lee@gmail.com>, Ash Charles <ashcharles@gmail.com>
Subject: [PATCH 1/3] ARM: dts: Correct audio input route & set mic bias
Date: Thu, 4 Jun 2015 11:08:17 -0700 [thread overview]
Message-ID: <1433441299-18887-2-git-send-email-arun@gumstix.com> (raw)
In-Reply-To: <1433441299-18887-1-git-send-email-arun@gumstix.com>
From: Adam YH Lee <adam.yh.lee@gmail.com>
Audio-in was incorrectly routed to Line In. It should be Mic3L as per
schematic.
Using mic-bias voltage at 2.0v (<0x1>) does not work for some reason. There
is no voltage seen on micbias (R127). Mic-bias voltage of 2.5v (<0x2>) works.
I see voltage of 2.475v across GND and micbias.
With these changes, I can record audio with a pair of proliferate TRRS earbuds.
Signed-off-by: Ash Charles <ashcharles@gmail.com>
---
arch/arm/boot/dts/am335x-pepper.dts | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/am335x-pepper.dts b/arch/arm/boot/dts/am335x-pepper.dts
index 0d35ab6..473d8ee 100644
--- a/arch/arm/boot/dts/am335x-pepper.dts
+++ b/arch/arm/boot/dts/am335x-pepper.dts
@@ -74,6 +74,7 @@
audio_codec: tlv320aic3106@1b {
compatible = "ti,tlv320aic3106";
reg = <0x1b>;
+ ai3x-micbias-vg = <0x2>;
};
accel: lis331dlh@1d {
@@ -153,7 +154,7 @@
ti,audio-routing =
"Headphone Jack", "HPLOUT",
"Headphone Jack", "HPROUT",
- "LINE1L", "Line In";
+ "MIC3L", "Mic3L Switch";
};
&mcasp0 {
--
2.1.4
WARNING: multiple messages have this Message-ID (diff)
From: arun@gumstix.com (Arun Bharadwaj)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] ARM: dts: Correct audio input route & set mic bias
Date: Thu, 4 Jun 2015 11:08:17 -0700 [thread overview]
Message-ID: <1433441299-18887-2-git-send-email-arun@gumstix.com> (raw)
In-Reply-To: <1433441299-18887-1-git-send-email-arun@gumstix.com>
From: Adam YH Lee <adam.yh.lee@gmail.com>
Audio-in was incorrectly routed to Line In. It should be Mic3L as per
schematic.
Using mic-bias voltage at 2.0v (<0x1>) does not work for some reason. There
is no voltage seen on micbias (R127). Mic-bias voltage of 2.5v (<0x2>) works.
I see voltage of 2.475v across GND and micbias.
With these changes, I can record audio with a pair of proliferate TRRS earbuds.
Signed-off-by: Ash Charles <ashcharles@gmail.com>
---
arch/arm/boot/dts/am335x-pepper.dts | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/am335x-pepper.dts b/arch/arm/boot/dts/am335x-pepper.dts
index 0d35ab6..473d8ee 100644
--- a/arch/arm/boot/dts/am335x-pepper.dts
+++ b/arch/arm/boot/dts/am335x-pepper.dts
@@ -74,6 +74,7 @@
audio_codec: tlv320aic3106 at 1b {
compatible = "ti,tlv320aic3106";
reg = <0x1b>;
+ ai3x-micbias-vg = <0x2>;
};
accel: lis331dlh at 1d {
@@ -153,7 +154,7 @@
ti,audio-routing =
"Headphone Jack", "HPLOUT",
"Headphone Jack", "HPROUT",
- "LINE1L", "Line In";
+ "MIC3L", "Mic3L Switch";
};
&mcasp0 {
--
2.1.4
next prev parent reply other threads:[~2015-06-04 18:09 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-04 18:08 [PATCH 0/3] ARM: dts: Changes for Gumstix Pepper dts Arun Bharadwaj
2015-06-04 18:08 ` Arun Bharadwaj
2015-06-04 18:08 ` Arun Bharadwaj
2015-06-04 18:08 ` Arun Bharadwaj [this message]
2015-06-04 18:08 ` [PATCH 1/3] ARM: dts: Correct audio input route & set mic bias Arun Bharadwaj
2015-07-14 6:57 ` Tony Lindgren
2015-07-14 6:57 ` Tony Lindgren
2015-07-14 6:57 ` Tony Lindgren
2015-06-04 18:08 ` [PATCH 2/3] ARM: dts: configure regulators for Gumstix Pepper Arun Bharadwaj
2015-06-04 18:08 ` Arun Bharadwaj
2015-06-29 6:47 ` Tony Lindgren
2015-06-29 6:47 ` Tony Lindgren
2015-06-29 6:47 ` Tony Lindgren
2015-07-02 18:34 ` Ash Charles
2015-07-02 18:34 ` Ash Charles
2015-07-02 18:34 ` Ash Charles
2015-07-03 5:53 ` Tony Lindgren
2015-07-03 5:53 ` Tony Lindgren
2015-07-03 5:53 ` Tony Lindgren
2015-06-04 18:08 ` [PATCH 3/3] ARM: dts: Fix frequency scaling on " Arun Bharadwaj
2015-06-04 18:08 ` Arun Bharadwaj
2015-06-04 18:08 ` Arun Bharadwaj
2015-06-09 15:45 ` Ash Charles
2015-06-09 15:45 ` Ash Charles
2015-06-09 15:45 ` Ash Charles
2015-07-14 6:54 ` Tony Lindgren
2015-07-14 6:54 ` Tony Lindgren
2015-07-14 6:54 ` Tony Lindgren
2015-07-14 12:25 ` [PATCH 0/3] ARM: dts: Changes for Gumstix Pepper dts Kevin Hilman
2015-07-14 12:25 ` Kevin Hilman
2015-07-14 12:25 ` Kevin Hilman
2015-07-14 18:29 ` Adam Lee
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