From cadf2120ff756789a3adaac07c5b85a09649c66e Mon Sep 17 00:00:00 2001
From: Paul Handrigan <Paul.Handrigan@cirrus.com>
Date: Tue, 5 Mar 2013 13:12:56 -0600
Subject: [PATCH] ASoC: cs42l73: If Internal MCLK is >= 6.4MHz, then set SCLK
to 64*Fs.
Signed-off-by: Paul Handrigan <Paul.Handrigan@cirrus.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
sound/soc/codecs/cs42l73.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/cs42l73.c b/sound/soc/codecs/cs42l73.c
index 6361dab48bd1..3b20c86cdb01 100644
--- a/sound/soc/codecs/cs42l73.c
+++ b/sound/soc/codecs/cs42l73.c
@@ -1180,7 +1180,11 @@ static int cs42l73_pcm_hw_params(struct snd_pcm_substream *substream,
priv->config[id].mmcc &= 0xC0;
priv->config[id].mmcc |= cs42l73_mclk_coeffs[mclk_coeff].mmcc;
priv->config[id].spc &= 0xFC;
- priv->config[id].spc |= MCK_SCLK_MCLK;
+ /* Use SCLK=64*Fs if internal MCLK >= 6.4MHz */
+ if (priv->mclk >= 6400000)
+ priv->config[id].spc |= MCK_SCLK_64FS;
+ else
+ priv->config[id].spc |= MCK_SCLK_MCLK;
} else {
/* CS42L73 Slave */
priv->config[id].spc &= 0xFC;