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ASoC: wm8962: fix lambda value

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[ Upstream commit 556672d75ff486e0b6786056da624131679e0576 ]

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

Fixes: 9a76f1ff6e ("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>
This commit is contained in:
Shengjiu Wang 2019-12-11 19:57:22 +08:00 • committed by Greg Kroah-Hartman
parent d72d75c9d1
commit 8a887b65e6
1 changed files with 2 additions and 2 deletions
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4
sound/soc/codecs/wm8962.c
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@ -2792,7 +2792,7 @@ 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);
@ -2862,7 +2862,7 @@ static int wm8962_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
return -EINVAL;
}
if (fll_div.theta || fll_div.lambda)
if (fll_div.theta)
fll1 |= WM8962_FLL_FRAC;
/* Stop the FLL while we reconfigure */