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Commit 821dd91e authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Use BIAS_OFF when idle for wm_hubs devices 



This provides a small power saving when audio is inactive.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
parent a96ca338

sound/soc/codecs/wm_hubs.c

+6 −0
Original line number Diff line number Diff line
@@ -753,6 +753,12 @@ int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec, 
				    WM8993_LINEOUT2_MODE,

				    WM8993_LINEOUT2_MODE);



	/* If the line outputs are differential then we aren't presenting

	 * VMID as an output and can disable it.

	 */

	if (lineout1_diff && lineout2_diff)

		codec->idle_bias_off = 1;



	if (lineout1fb)

		snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,

				    WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB);