ASoC: wm8994: Disable line output discharge prior to ramping VMID

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index b75a65273dab..ec69a6c152fe 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -787,6 +787,11 @@ static void vmid_reference(struct snd_soc_codec *codec)
                                     WM8994_VMID_BUF_ENA |
                                     (0x3 << WM8994_VMID_RAMP_SHIFT));
 
+                /* Remove discharge for line out */
+                snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
+                                    WM8994_LINEOUT1_DISCH |
+                                    WM8994_LINEOUT2_DISCH, 0);
+
                 /* Main bias enable, VMID=2x40k */
                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
                                     WM8994_BIAS_ENA |