diff options
| author | Fabio Estevam <fabio.estevam@freescale.com> | 2012-07-26 22:29:03 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-07-27 00:35:19 +0400 |
| commit | e13ab2aac7a273a890d18bb482849610be178bc5 (patch) | |
| tree | 22afc88cbc36d48c8cebdf3506b93dad3d77a5ff /sound/soc/codecs/mc13783.c | |
| parent | aa50fe55ace7451e6ad6812915db367c8cfd3bb3 (diff) | |
| download | linux-e13ab2aac7a273a890d18bb482849610be178bc5.tar.xz | |
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/soc/codecs/mc13783.c')
| -rw-r--r-- | sound/soc/codecs/mc13783.c | 2 |
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 */ |