From 65b7cecc85b9bb7bb8ce74c6a3b280464b00c86c Mon Sep 17 00:00:00 2001 From: "Olaya, Margarita" Date: Tue, 14 Dec 2010 19:18:36 -0600 Subject: [PATCH] ASoC: twl6040: Set default gains to minimun value Updated default values to improve power consumption. Signed-off-by: Jorge Eduardo Candelaria Signed-off-by: Margarita Olaya Cabrera Acked-by: Mark Brown Signed-off-by: Liam Girdwood --- sound/soc/codecs/twl6040.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c index 9dfe208..b252cf8 100644 --- a/sound/soc/codecs/twl6040.c +++ b/sound/soc/codecs/twl6040.c @@ -806,6 +806,15 @@ static int twl6040_set_bias_level(struct snd_soc_codec *codec, /* initialize vdd/vss registers with reg_cache */ twl6040_init_vdd_regs(codec); + + /* Set external boost GPO */ + twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02); + + /* Set initial minimal gain values */ + twl6040_write(codec, TWL6040_REG_HSGAIN, 0xFF); + twl6040_write(codec, TWL6040_REG_EARCTL, 0x1E); + twl6040_write(codec, TWL6040_REG_HFLGAIN, 0x1D); + twl6040_write(codec, TWL6040_REG_HFRGAIN, 0x1D); break; case SND_SOC_BIAS_OFF: if (!priv->codec_powered) -- 2.7.4