ASoC: Optimise DSP performance for WM8994

Change the chip defaults to optimise performance of some of the DSP
functionality.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index a87046a..2dc9daa 100644 (file)
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3082,10 +3082,11 @@ static int wm8994_set_bias_level(struct snd_soc_codec *codec,
 
        case SND_SOC_BIAS_STANDBY:
                if (codec->bias_level == SND_SOC_BIAS_OFF) {
-                       /* Tweak DC servo configuration for improved
-                        * performance. */
+                       /* Tweak DC servo and DSP configuration for
+                        * improved performance. */
                        snd_soc_write(codec, 0x102, 0x3);
                        snd_soc_write(codec, 0x56, 0x3);
+                       snd_soc_write(codec, 0x817, 0);
                        snd_soc_write(codec, 0x102, 0);
 
                        /* Discharge LINEOUT1 & 2 */