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Commit f95be9d6 authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: wm8994: Tune VMID power down sequence 



Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent a3a1d9d2

sound/soc/codecs/wm8994.c

+4 −18
Original line number Diff line number Diff line
@@ -939,16 +939,10 @@ static void vmid_dereference(struct snd_soc_codec *codec) 
				    WM8994_BIAS_SRC |

				    WM8994_VMID_DISCH);



		switch (wm8994->vmid_mode) {

		case WM8994_VMID_FORCE:

			msleep(350);

			break;

		default:

			break;

		}

		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,

				    WM8994_VMID_SEL_MASK, 0);



		snd_soc_update_bits(codec, WM8994_ADDITIONAL_CONTROL,

				    WM8994_VROI, WM8994_VROI);

		msleep(400);



		/* Active discharge */

		snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
@@ -957,17 +951,12 @@ static void vmid_dereference(struct snd_soc_codec *codec) 
				    WM8994_LINEOUT1_DISCH |

				    WM8994_LINEOUT2_DISCH);



		msleep(150);



		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,

				    WM8994_LINEOUT1N_ENA |

				    WM8994_LINEOUT1P_ENA |

				    WM8994_LINEOUT2N_ENA |

				    WM8994_LINEOUT2P_ENA, 0);



		snd_soc_update_bits(codec, WM8994_ADDITIONAL_CONTROL,

				    WM8994_VROI, 0);



		/* Switch off startup biases */

		snd_soc_update_bits(codec, WM8994_ANTIPOP_2,

				    WM8994_BIAS_SRC |
@@ -976,10 +965,7 @@ static void vmid_dereference(struct snd_soc_codec *codec) 
				    WM8994_VMID_RAMP_MASK, 0);



		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,

				    WM8994_BIAS_ENA | WM8994_VMID_SEL_MASK, 0);



		snd_soc_update_bits(codec, WM8994_ANTIPOP_2,

				    WM8994_VMID_RAMP_MASK, 0);

				    WM8994_VMID_SEL_MASK, 0);

	}



	pm_runtime_put(codec->dev);