From 249c5156b8a743e3df5386c5cb7ae3df1d754e50 Mon Sep 17 00:00:00 2001 From: Mario Becroft Date: Sat, 4 Dec 2010 11:51:34 +1300 Subject: [PATCH] ASoC: Optimise WM9081 FLL performance Tune the FLL gain for optimal performance according to evaluation results. Signed-off-by: Mario Becroft Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/codecs/wm9081.c | 4 ++++ 1 file changed, 4 insertions(+) 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); -- 2.7.4