diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 21931a0c7cea..aa94ca1f6a9b 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -778,29 +778,37 @@ static void vmid_reference(struct snd_soc_codec *codec) wm8994->vmid_refcount); if (wm8994->vmid_refcount == 1) { + snd_soc_update_bits(codec, WM8994_ANTIPOP_1, + WM8994_LINEOUT_VMID_BUF_ENA | + WM8994_LINEOUT1_DISCH | + WM8994_LINEOUT2_DISCH, + WM8994_LINEOUT_VMID_BUF_ENA); + /* Startup bias, VMID ramp & buffer */ snd_soc_update_bits(codec, WM8994_ANTIPOP_2, + WM8994_BIAS_SRC | + WM8994_VMID_DISCH | WM8994_STARTUP_BIAS_ENA | WM8994_VMID_BUF_ENA | WM8994_VMID_RAMP_MASK, + WM8994_BIAS_SRC | WM8994_STARTUP_BIAS_ENA | WM8994_VMID_BUF_ENA | (0x3 << WM8994_VMID_RAMP_SHIFT)); wm_hubs_vmid_ena(codec); - /* 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 | WM8994_VMID_SEL_MASK, WM8994_BIAS_ENA | 0x2); - msleep(20); + msleep(50); + + snd_soc_update_bits(codec, WM8994_ANTIPOP_2, + WM8994_VMID_RAMP_MASK | WM8994_BIAS_SRC, + 0); } }