ASoC: tas2552: Fix kernel crash caused by wrong kcontrol entry
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Thu, 4 Jun 2015 13:04:15 +0000 (16:04 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 3 Aug 2015 16:29:04 +0000 (09:29 -0700)
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@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sound/soc/codecs/tas2552.c

index 1630c60..1855859 100644 (file)
@@ -338,7 +338,6 @@ static DECLARE_TLV_DB_SCALE(dac_tlv, -7, 100, 24);
 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[] = {