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ASoC: Add snd_soc_kcontrol_codec() helper function

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For CODEC controls snd_kcontrol_chip() currently returns a pointer to the
CODEC that registered the control. With the upcoming consolidation of
platform and CODEC controls this will change. Prepare for this by introducing
the snd_soc_kcontrol_codec() helper function that will hide the implementation
details of how the CODEC for a control can be obtained. This will allow us to
change this easily in the future.

The patch also updates all CODEC drivers to use the new helper function.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Lars-Peter Clausen
2014-03-18 09:02:04 +01:00
committed by Mark Brown
parent c9eaa447e7
commit ea53bf77d1
49 changed files with 154 additions and 140 deletions
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2
sound/soc/codecs/wm8400.c
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@@ -93,7 +93,7 @@ static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
int reg = mc->reg;