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Commit 83b65425 authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Explicitly clear WM8993 ramp controls on power down 



This helps ensure that the ramp logic is reset when powering back up.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
parent d88429a6

sound/soc/codecs/wm8993.c

+6 −0
Original line number Diff line number Diff line
@@ -1030,6 +1030,12 @@ static int wm8993_set_bias_level(struct snd_soc_codec *codec, 
				    WM8993_VMID_SEL_MASK | WM8993_BIAS_ENA,

				    0);



		snd_soc_update_bits(codec, WM8993_ANTIPOP2,

				    WM8993_STARTUP_BIAS_ENA |

				    WM8993_VMID_BUF_ENA |

				    WM8993_VMID_RAMP_MASK |

				    WM8993_BIAS_SRC, 0);



#ifdef CONFIG_REGULATOR

               /* Post 2.6.34 we will be able to get a callback when

                * the regulators are disabled which we can use but