aboutsummaryrefslogtreecommitdiffstats
path: root/sound/soc/codecs/wm9081.c
diff options
context:
space:
mode:
authorMario Becroft <mb@gem.win.co.nz>2010-12-04 11:51:34 +1300
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-12-10 17:38:21 +0000
commit249c5156b8a743e3df5386c5cb7ae3df1d754e50 (patch)
tree2034f83b2f4a6b58b963d31bc2a58aa4f996246f /sound/soc/codecs/wm9081.c
parentMerge branch 'for-2.6.37' into for-2.6.38 (diff)
downloadlinux-dev-249c5156b8a743e3df5386c5cb7ae3df1d754e50.tar.xz
linux-dev-249c5156b8a743e3df5386c5cb7ae3df1d754e50.zip
ASoC: Optimise WM9081 FLL performance
Tune the FLL gain for optimal performance according to evaluation results. Signed-off-by: Mario Becroft <mb@gem.win.co.nz> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to '')
-rw-r--r--sound/soc/codecs/wm9081.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm9081.c b/sound/soc/codecs/wm9081.c
index c7060775e88b..e5055b28c638 100644
--- a/sound/soc/codecs/wm9081.c
+++ b/sound/soc/codecs/wm9081.c
@@ -590,6 +590,10 @@ static int wm9081_set_fll(struct snd_soc_codec *codec, int fll_id,
reg5 |= fll_div.fll_clk_ref_div << WM9081_FLL_CLK_REF_DIV_SHIFT;
snd_soc_write(codec, WM9081_FLL_CONTROL_5, reg5);
+ /* Set gain to the recommended value */
+ snd_soc_update_bits(codec, WM9081_FLL_CONTROL_4,
+ WM9081_FLL_GAIN_MASK, 0);
+
/* Enable the FLL */
snd_soc_write(codec, WM9081_FLL_CONTROL_1, reg1 | WM9081_FLL_ENA);