* [PATCH] ASoC: Optimise WM9081 FLL performance
@ 2010-12-09 16:17 Mark Brown
2010-12-10 16:28 ` Liam Girdwood
0 siblings, 1 reply; 2+ messages in thread
From: Mark Brown @ 2010-12-09 16:17 UTC (permalink / raw)
To: Liam Girdwood; +Cc: alsa-devel, patches, Mario Becroft, Mark Brown
From: Mario Becroft <mb@gem.win.co.nz>
Tune the FLL gain for optimal performance according to evaluation
results.
Signed-off-by: Mario Becroft <mb@gem.win.co.nz>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
sound/soc/codecs/wm9081.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/sound/soc/codecs/wm9081.c b/sound/soc/codecs/wm9081.c
index c706077..e5055b2 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);
--
1.7.1
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2010-12-09 16:17 [PATCH] ASoC: Optimise WM9081 FLL performance Mark Brown
2010-12-10 16:28 ` Liam Girdwood
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