From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
alsa-devel@alsa-project.org,
Charles Keepax <ckeepax@opensource.cirrus.com>,
patches@opensource.cirrus.com,
Shengjiu Wang <shengjiu.wang@nxp.com>,
Mark Brown <broonie@kernel.org>
Subject: [alsa-devel] [PATCH AUTOSEL 4.9 26/38] ASoC: wm8962: fix lambda value
Date: Fri, 27 Dec 2019 13:14:23 -0500 [thread overview]
Message-ID: <20191227181435.7644-26-sashal@kernel.org> (raw)
In-Reply-To: <20191227181435.7644-1-sashal@kernel.org>
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 fd2731d171dd..0e8008d38161 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -2791,7 +2791,7 @@ 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);
@@ -2861,7 +2861,7 @@ 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 */
--
2.20.1
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parent reply other threads:[~2019-12-27 18:16 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <20191227181435.7644-1-sashal@kernel.org>]
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