ASoC: wm_hubs: Enable line out VMID buffer for single ended line outputs

commit 77231abe55433aa17eca712718745275853fa66d upstream.

For optimal performance the single ended line outputs require that the
line output VMID buffer be enabled.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 48e61e912400fb2d2cca4ad74d9faf17a3075444..8c26c6d0d3c7ae6010dda4d574801f0d0e0bc0a0 100644 (file)
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -614,6 +614,8 @@ SND_SOC_DAPM_INPUT("IN2RP:VXRP"),
 SND_SOC_DAPM_MICBIAS("MICBIAS2", WM8993_POWER_MANAGEMENT_1, 5, 0),
 SND_SOC_DAPM_MICBIAS("MICBIAS1", WM8993_POWER_MANAGEMENT_1, 4, 0),
 
+SND_SOC_DAPM_SUPPLY("LINEOUT_VMID_BUF", WM8993_ANTIPOP1, 7, 0, NULL, 0),
+
 SND_SOC_DAPM_MIXER("IN1L PGA", WM8993_POWER_MANAGEMENT_2, 6, 0,
                   in1l_pga, ARRAY_SIZE(in1l_pga)),
 SND_SOC_DAPM_MIXER("IN1R PGA", WM8993_POWER_MANAGEMENT_2, 4, 0,
@@ -832,9 +834,11 @@ static const struct snd_soc_dapm_route lineout1_diff_routes[] = {
 };
 
 static const struct snd_soc_dapm_route lineout1_se_routes[] = {
+       { "LINEOUT1N Mixer", NULL, "LINEOUT_VMID_BUF" },
        { "LINEOUT1N Mixer", "Left Output Switch", "Left Output PGA" },
        { "LINEOUT1N Mixer", "Right Output Switch", "Right Output PGA" },
 
+       { "LINEOUT1P Mixer", NULL, "LINEOUT_VMID_BUF" },
        { "LINEOUT1P Mixer", "Left Output Switch", "Left Output PGA" },
 
        { "LINEOUT1N Driver", NULL, "LINEOUT1N Mixer" },
@@ -851,9 +855,11 @@ static const struct snd_soc_dapm_route lineout2_diff_routes[] = {
 };
 
 static const struct snd_soc_dapm_route lineout2_se_routes[] = {
+       { "LINEOUT2N Mixer", NULL, "LINEOUT_VMID_BUF" },
        { "LINEOUT2N Mixer", "Left Output Switch", "Left Output PGA" },
        { "LINEOUT2N Mixer", "Right Output Switch", "Right Output PGA" },
 
+       { "LINEOUT2P Mixer", NULL, "LINEOUT_VMID_BUF" },
        { "LINEOUT2P Mixer", "Right Output Switch", "Right Output PGA" },
 
        { "LINEOUT2N Driver", NULL, "LINEOUT2N Mixer" },