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ASoC: atmel-pdmic: mark symbols static where possible

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We get 1 warning about global functions without a declaration
in the ASoC atmel-pdmic driver when building with W=1:
sound/soc/atmel/atmel-pdmic.c:286:5: warning: no previous prototype for 'pdmic_get_mic_volsw' [-Wmissing-prototypes]

In fact, this function is only used in the file in which it is declared
and don't need a declaration, but can be made static.
so this patch marks it 'static'.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Baoyou Xie 2016-08-11 14:38:11 +08:00 committed by Mark Brown
parent 29b4817d40
commit 6b0ffacdaf
1 changed files with 1 additions and 1 deletions
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2
sound/soc/atmel/atmel-pdmic.c
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@ -283,7 +283,7 @@ static const DECLARE_TLV_DB_RANGE(mic_gain_tlv,
8, ARRAY_SIZE(mic_gain_table)-1, TLV_DB_SCALE_ITEM(-6500, 100, 0),
);
int pdmic_get_mic_volsw(struct snd_kcontrol *kcontrol,
static int pdmic_get_mic_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);