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ASoC: Optimise WM9081 FLL performance

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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>
This commit is contained in:
Mario Becroft 2010-12-04 11:51:34 +13:00 committed by Mark Brown
parent 07a9e2b2fb
commit 249c5156b8
1 changed files with 4 additions and 0 deletions
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4
sound/soc/codecs/wm9081.c
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@ -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);