ASoC: twl6040: Set default gains to minimun value

Updated default values to improve power consumption.

Signed-off-by: Jorge Eduardo Candelaria <jorge.candelaria@ti.com>
Signed-off-by: Margarita Olaya Cabrera <magi.olaya@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

1 files changed, 9 insertions, 0 deletions

diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
index 9dfe208e6539..b252cf8f0ce1 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)