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Diffstat (limited to 'sound/soc/codecs/wm8400.c')
-rw-r--r--sound/soc/codecs/wm8400.c27
1 files changed, 2 insertions, 25 deletions
diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c
index 744e0dc73be4..462f8b0d9ac7 100644
--- a/sound/soc/codecs/wm8400.c
+++ b/sound/soc/codecs/wm8400.c
@@ -1096,45 +1096,22 @@ static int wm8400_set_bias_level(struct snd_soc_codec *codec,
1096 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, 1096 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1,
1097 WM8400_CODEC_ENA | WM8400_SYSCLK_ENA); 1097 WM8400_CODEC_ENA | WM8400_SYSCLK_ENA);
1098 1098
1099 /* Enable all output discharge bits */
1100 wm8400_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE |
1101 WM8400_DIS_RLINE | WM8400_DIS_OUT3 |
1102 WM8400_DIS_OUT4 | WM8400_DIS_LOUT |
1103 WM8400_DIS_ROUT);
1104
1105 /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */ 1099 /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1106 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | 1100 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1107 WM8400_BUFDCOPEN | WM8400_POBCTRL); 1101 WM8400_BUFDCOPEN | WM8400_POBCTRL);
1108 1102
1109 msleep(500); 1103 msleep(50);
1110
1111 /* Enable outputs */
1112 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1113 val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
1114 WM8400_OUT4_ENA | WM8400_LOUT_ENA |
1115 WM8400_ROUT_ENA;
1116 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1117
1118 /* disable all output discharge bits */
1119 wm8400_write(codec, WM8400_ANTIPOP1, 0);
1120 1104
1121 /* Enable VREF & VMID at 2x50k */ 1105 /* Enable VREF & VMID at 2x50k */
1106 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1122 val |= 0x2 | WM8400_VREF_ENA; 1107 val |= 0x2 | WM8400_VREF_ENA;
1123 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val); 1108 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1124 1109
1125 msleep(600);
1126
1127 /* Enable BUFIOEN */ 1110 /* Enable BUFIOEN */
1128 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | 1111 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1129 WM8400_BUFDCOPEN | WM8400_POBCTRL | 1112 WM8400_BUFDCOPEN | WM8400_POBCTRL |
1130 WM8400_BUFIOEN); 1113 WM8400_BUFIOEN);
1131 1114
1132 /* Disable outputs */
1133 val &= ~(WM8400_SPK_ENA | WM8400_OUT3_ENA |
1134 WM8400_OUT4_ENA | WM8400_LOUT_ENA |
1135 WM8400_ROUT_ENA);
1136 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1137
1138 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */ 1115 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1139 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN); 1116 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN);
1140 } 1117 }