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authorFabio Estevam <fabio.estevam@freescale.com>2012-07-26 15:29:03 -0300
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-07-26 21:35:19 +0100
commite13ab2aac7a273a890d18bb482849610be178bc5 (patch)
tree22afc88cbc36d48c8cebdf3506b93dad3d77a5ff /sound
parentaa50fe55ace7451e6ad6812915db367c8cfd3bb3 (diff)
downloadblackbird-op-linux-e13ab2aac7a273a890d18bb482849610be178bc5.tar.gz
blackbird-op-linux-e13ab2aac7a273a890d18bb482849610be178bc5.zip
ASoC: mc13783: Provide codec->control_data
If codec->control_data is not provided, the following crash happens: Unable to handle kernel NULL pointer dereference at virtual address 00000078 pgd = 80004000 [00000078] *pgd=00000000 Internal error: Oops: 5 [#1] SMP ARM Modules linked in: CPU: 0 Tainted: G W (3.5.0-next-20120725+ #1263) PC is at regmap_read+0x18/0x64 LR is at hw_read+0x50/0x98 pc : [<802bcd90>] lr : [<803cad18>] psr: 60000013 ... Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/mc13783.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/mc13783.c b/sound/soc/codecs/mc13783.c
index 6276e352125f..8f726c063f42 100644
--- a/sound/soc/codecs/mc13783.c
+++ b/sound/soc/codecs/mc13783.c
@@ -581,6 +581,8 @@ static int mc13783_probe(struct snd_soc_codec *codec)
{
struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);
+ codec->control_data = priv->mc13xxx;
+
mc13xxx_lock(priv->mc13xxx);
/* these are the reset values */
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