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Commit 0c17b393 authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Optimise DSP performance for WM8994 



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

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
parent 2e2211a3

sound/soc/codecs/wm8994.c

+3 −2
Original line number Diff line number Diff line
@@ -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 */