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    Subject[PATCH 5.4 090/165] ASoC: wm8962: fix lambda value
    Date
    From: Shengjiu Wang <shengjiu.wang@nxp.com>

    [ Upstream commit 556672d75ff486e0b6786056da624131679e0576 ]

    According to user manual, it is required that FLL_LAMBDA > 0
    in all cases (Integer and Franctional modes).

    Fixes: 9a76f1ff6e29 ("ASoC: Add initial WM8962 CODEC driver")
    Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
    Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
    Link: https://lore.kernel.org/r/1576065442-19763-1-git-send-email-shengjiu.wang@nxp.com
    Signed-off-by: Mark Brown <broonie@kernel.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    sound/soc/codecs/wm8962.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
    index 3e5c69fbc33a..d9d59f45833f 100644
    --- a/sound/soc/codecs/wm8962.c
    +++ b/sound/soc/codecs/wm8962.c
    @@ -2788,7 +2788,7 @@ static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,

    if (target % Fref == 0) {
    fll_div->theta = 0;
    - fll_div->lambda = 0;
    + fll_div->lambda = 1;
    } else {
    gcd_fll = gcd(target, fratio * Fref);

    @@ -2858,7 +2858,7 @@ static int wm8962_set_fll(struct snd_soc_component *component, int fll_id, int s
    return -EINVAL;
    }

    - if (fll_div.theta || fll_div.lambda)
    + if (fll_div.theta)
    fll1 |= WM8962_FLL_FRAC;

    /* Stop the FLL while we reconfigure */
    --
    2.20.1


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