The mono differential output for "Line Out" downmixes the stereo audio
from the mixer, instead of just taking the left channel.
Add a route from the "Right Mixer" to "Line Out Source Playback Route"
through the "Mono Differential" path, so DAPM doesn't shut down
everything if the left channel is muted.
Fixes: 0f909f98d7cb ("ASoC: sun4i-codec: Add support for A31 Line Out
playback")
Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
---
sound/soc/sunxi/sun4i-codec.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 6379efd21f00..006ca3c17e80 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -1047,6 +1047,7 @@ static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = {
{ "Line Out Source Playback Route", "Stereo", "Left Mixer" },
{ "Line Out Source Playback Route", "Stereo", "Right Mixer" },
{ "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
+ { "Line Out Source Playback Route", "Mono Differential", "Right Mixer" },
{ "LINEOUT", NULL, "Line Out Source Playback Route" },
/* ADC Routes */
--
2.10.2
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