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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-08-11 18:03:54 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-08-13 14:55:01 +0100
commit0c17b393942e4363061b61ca58f4d35a01b41ab3 (patch)
treeaf3c084c45d5d7ff274d7500d12494460e262684 /sound
parent2e2211a387e70c62e1249822a94f4a33933ecd62 (diff)
downloadop-kernel-dev-0c17b393942e4363061b61ca58f4d35a01b41ab3.zip
op-kernel-dev-0c17b393942e4363061b61ca58f4d35a01b41ab3.tar.gz
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>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/wm8994.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index a87046a..2dc9daa 100644
--- 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 */
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