linux-kernel - [PATCH 4.1 083/267] ASoC: tas2552: Fix kernel crash caused by wrong kcontrol entry

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Message-Id: <20150731194004.522687158@linuxfoundation.org>
Date:	Fri, 31 Jul 2015 12:38:54 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Peter Ujfalusi <peter.ujfalusi@...com>,
	Mark Brown <broonie@...nel.org>
Subject: [PATCH 4.1 083/267] ASoC: tas2552: Fix kernel crash caused by wrong kcontrol entry

4.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Peter Ujfalusi <peter.ujfalusi@...com>

commit 1cf0f44811b754b64283b11ef0e60cb0de07b29c upstream.

SOC_DAPM_SINGLE("Playback AMP", ..) should not be under kcontrols. It
causes kernel crash (NULL pointer) when the mixers are listed.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/soc/codecs/tas2552.c |    1 -
 1 file changed, 1 deletion(-)

--- a/sound/soc/codecs/tas2552.c
+++ b/sound/soc/codecs/tas2552.c
@@ -338,7 +338,6 @@ static DECLARE_TLV_DB_SCALE(dac_tlv, -7,
 static const struct snd_kcontrol_new tas2552_snd_controls[] = {
 	SOC_SINGLE_TLV("Speaker Driver Playback Volume",
 			 TAS2552_PGA_GAIN, 0, 0x1f, 1, dac_tlv),
-	SOC_DAPM_SINGLE("Playback AMP", SND_SOC_NOPM, 0, 1, 0),
 };
 
 static const struct reg_default tas2552_init_regs[] = {


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