ASoC: wm8994: Tune VMID power up sequence

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

sound/soc/codecs/wm8994.c

@@ -862,7 +862,7 @@ static void vmid_reference(struct snd_soc_codec *codec)
 					    WM8994_BIAS_SRC |
 					    WM8994_STARTUP_BIAS_ENA |
 					    WM8994_VMID_BUF_ENA |
-					    (0x3 << WM8994_VMID_RAMP_SHIFT));
+					    (0x2 << WM8994_VMID_RAMP_SHIFT));
 
 			/* Main bias enable, VMID=2x40k */
 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
@@ -870,7 +870,7 @@ static void vmid_reference(struct snd_soc_codec *codec)
 					    WM8994_VMID_SEL_MASK,
 					    WM8994_BIAS_ENA | 0x2);
 
-			msleep(50);
+			msleep(300);
 
 			snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
 					    WM8994_VMID_RAMP_MASK |