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    Subject[PATCH] ASoC: rt5660: remove double const
    Date
    Drop the const qualifier as it is being added by SOC_ENUM_DOUBLE_DECL()
    already which is called by SOC_ENUM_SINGLE_DECL() here.

    Fixes: commit 2b26dd4c1fc5 ("ASoC: rt5660: add rt5660 codec driver")
    Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
    ---

    sparse throws the warning:
    sound/soc/codecs/rt5660.c:529:14: warning: duplicate const
    sound/soc/codecs/rt5660.c:532:14: warning: duplicate const

    this is due to:
    static const SOC_ENUM_SINGLE_DECL(rt5660_if1_dac_enum,...

    which via:
    #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
    SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)

    expands to:
    #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
    const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
    ARRAY_SIZE(xtexts), xtexts)
    and that already carries the const qualifier so that results in the
    "duplicate const" from sparse. The fix is simply to drop the first
    const.

    Patch was compile tested with: x86_64_defconfig + CONFIG_COMPILE_TEST=y
    SND_SOC=m + SND_SOC_ALL_CODECS=m (implies SND_SOC_RT5660=m)

    Patch is aginast 4.10-rc3 (localversion-next is next-20170112)

    sound/soc/codecs/rt5660.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/sound/soc/codecs/rt5660.c b/sound/soc/codecs/rt5660.c
    index 76cf76a..296b7b0 100644
    --- a/sound/soc/codecs/rt5660.c
    +++ b/sound/soc/codecs/rt5660.c
    @@ -526,10 +526,10 @@ static const char * const rt5660_data_select[] = {
    "L/R", "R/L", "L/L", "R/R"
    };

    -static const SOC_ENUM_SINGLE_DECL(rt5660_if1_dac_enum,
    +static SOC_ENUM_SINGLE_DECL(rt5660_if1_dac_enum,
    RT5660_DIG_INF1_DATA, RT5660_IF1_DAC_IN_SFT, rt5660_data_select);

    -static const SOC_ENUM_SINGLE_DECL(rt5660_if1_adc_enum,
    +static SOC_ENUM_SINGLE_DECL(rt5660_if1_adc_enum,
    RT5660_DIG_INF1_DATA, RT5660_IF1_ADC_IN_SFT, rt5660_data_select);

    static const struct snd_kcontrol_new rt5660_if1_dac_swap_mux =
    --
    2.1.4
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