linux-kernel - [PATCH 1/1] ARM: TLV320AIC23 SoC Audio Codec: Fix errors reported related to input routing signals.

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Message-Id: <1424950347-26241-1-git-send-email-dobatog@gmail.com>
Date:	Thu, 26 Feb 2015 12:32:27 +0100
From:	Gabriel Dobato <dobatog@...il.com>
To:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	<linux-arm-kernel@...ts.infradead.org>
Cc:	<moinejf@...e.fr>, Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Max Filippov <jcmvbkbc@...il.com>,
	Xiubo Li <Li.Xiubo@...escale.com>,
	<alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
	dobatog <dobatog@...il.com>
Subject: [PATCH 1/1] ARM: TLV320AIC23 SoC Audio Codec: Fix errors reported related to input routing signals.

From: dobatog <dobatog@...il.com>

The following patch, based on stable v3.19,  corrects the errors that are reported in the boot trace in reference to the Input Signals of the audio codec TLV320AIC23:

tlv320aic23-codec 1-001a: Control not supported for path LLINEIN -> [NULL] -> Line Input
tlv320aic23-codec 1-001a: ASoC: no dapm match for LLINEIN --> NULL --> Line Input
tlv320aic23-codec 1-001a: ASoC: Failed to add route LLINEIN -> NULL -> Line Input
tlv320aic23-codec 1-001a: Control not supported for path RLINEIN -> [NULL] -> Line Input
tlv320aic23-codec 1-001a: ASoC: no dapm match for RLINEIN --> NULL --> Line Input
tlv320aic23-codec 1-001a: ASoC: Failed to add route RLINEIN -> NULL -> Line Input
tlv320aic23-codec 1-001a: Control not supported for path MICIN -> [NULL] -> Mic Input
tlv320aic23-codec 1-001a: ASoC: no dapm match for MICIN --> NULL --> Mic Input
tlv320aic23-codec 1-001a: ASoC: Failed to add route MICIN -> NULL -> Mic Input

I am trying to set the sound system in a CM-510 (Compulab - SoM) based board with DT, using Simple-Card-Audio and  the TLV320AIC23 audio codec included in the SoM . I faced this problem and thanks to the help of Sebastian Hesselbarth who noticed the possible error located in the structure snd_soc_dapm_route tlv320aic23_intercon[] , now errors are not reported.

Tested on CM-510 (Compulab SoM Board).

Signed-off-by: dobatog <dobatog@...il.com>
---
 sound/soc/codecs/tlv320aic23.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/tlv320aic23.c b/sound/soc/codecs/tlv320aic23.c
index cc17e7e..891f3aa 100644
--- a/sound/soc/codecs/tlv320aic23.c
+++ b/sound/soc/codecs/tlv320aic23.c
@@ -174,10 +174,10 @@ static const struct snd_soc_dapm_route tlv320aic23_intercon[] = {
 	{"ROUT", NULL, "Output Mixer"},
 
 	/* Inputs */
-	{"Line Input", "NULL", "LLINEIN"},
-	{"Line Input", "NULL", "RLINEIN"},
+	{"Line Input", NULL, "LLINEIN"},
+	{"Line Input", NULL, "RLINEIN"},
 
-	{"Mic Input", "NULL", "MICIN"},
+	{"Mic Input", NULL, "MICIN"},
 
 	/* input mux */
 	{"Capture Source", "Line", "Line Input"},
-- 
1.9.1

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