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authorLee Jones <lee.jones@linaro.org>2012-07-31 18:45:41 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-07-31 19:37:26 +0400
commit58f598ff0bb0c030e026a0738450c6a46248f6a8 (patch)
treea23ba8479e56165df75ff17d11a2234ff03007d0 /sound
parent5e70b7fc38a4659540ea5f56f7a1a7da20f4554d (diff)
downloadlinux-58f598ff0bb0c030e026a0738450c6a46248f6a8.tar.xz
ASoC: ab8500: Inform SoC Core that we have our own I/O arrangements
If codec->control_data is not populated SoC Core assumes we want to use regmap, which fails catastrophically, as we don't have one: Unable to handle kernel NULL pointer dereference at virtual address 00000080 pgd = c0004000 [00000080] *pgd=00000000 Internal error: Oops: 17 [#1] PREEMPT SMP ARM Modules linked in: CPU: 1 Not tainted (3.5.0-rc6-00884-g0b2419e-dirty #130) PC is at regmap_read+0x10/0x5c LR is at hw_read+0x80/0x90 pc : [<c01a91b8>] lr : [<c0216804>] psr: 60000013 Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/ab8500-codec.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c
index 3c795921c5f6..23b40186f9b8 100644
--- a/sound/soc/codecs/ab8500-codec.c
+++ b/sound/soc/codecs/ab8500-codec.c
@@ -2406,6 +2406,10 @@ static int ab8500_codec_probe(struct snd_soc_codec *codec)
/* Setup AB8500 according to board-settings */
pdata = (struct ab8500_platform_data *)dev_get_platdata(dev->parent);
+
+ /* Inform SoC Core that we have our own I/O arrangements. */
+ codec->control_data = (void *)true;
+
status = ab8500_audio_setup_mics(codec, &pdata->codec->amics);
if (status < 0) {
pr_err("%s: Failed to setup mics (%d)!\n", __func__, status);