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ASoC: Add indirection for CODEC private data

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One of the features of the multi CODEC work is that it embeds a struct
device in the CODEC to provide diagnostics via a sysfs class rather than
via the device tree, at which point it's much better to use the struct
device private data rather than having two places to store it. Provide
an accessor function to allow this change to be made more easily, and
update all the CODEC drivers are updated.

To ensure use of the accessor the private data structure member is
renamed, meaning that if code developed with older an older core that
still uses private_data is merged it will fail to build.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown
2010-04-14 15:35:19 +09:00
parent 890c681275
commit b2c812e22d
43 changed files with 258 additions and 247 deletions
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2
sound/soc/codecs/cx20442.c
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@@ -386,7 +386,7 @@ static int cx20442_register(struct cx20442_priv *cx20442)
codec->name = "CX20442";
codec->owner = THIS_MODULE;
codec->private_data = cx20442;
snd_soc_codec_set_drvdata(codec, cx20442);
codec->dai = &cx20442_dai;
codec->num_dai = 1;