ASoC: sun50i-codec-analog: Make line out routes stereo

This matches the hardware more accurately, and is necessary for
including the (stereo) line out mute switch in the DAPM graph.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20200726025334.59931-7-samuel@sholland.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sunxi/sun50i-codec-analog.c

@@ -328,7 +328,9 @@ static const struct snd_soc_dapm_widget sun50i_a64_codec_widgets[] = {
 			     SUN50I_ADDA_HP_CTRL_HPPA_EN, 0, NULL, 0),
 	SND_SOC_DAPM_OUTPUT("HP"),
 
-	SND_SOC_DAPM_MUX("Line Out Source Playback Route",
+	SND_SOC_DAPM_MUX("Left Line Out Source",
+			 SND_SOC_NOPM, 0, 0, sun50i_codec_lineout_src),
+	SND_SOC_DAPM_MUX("Right Line Out Source",
 			 SND_SOC_NOPM, 0, 0, sun50i_codec_lineout_src),
 	SND_SOC_DAPM_OUTPUT("LINEOUT"),
 
@@ -439,12 +441,14 @@ static const struct snd_soc_dapm_route sun50i_a64_codec_routes[] = {
 	{ "Mic2 Amplifier", NULL, "MIC2"},
 
 	/* Line-out 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" },
+	{ "Left Line Out Source", "Stereo", "Left Mixer" },
+	{ "Left Line Out Source", "Mono Differential", "Left Mixer" },
+	{ "Left Line Out Source", "Mono Differential", "Right Mixer" },
+	{ "LINEOUT", NULL, "Left Line Out Source" },
+
+	{ "Right Line Out Source", "Stereo", "Right Mixer" },
+	{ "Right Line Out Source", "Mono Differential", "Left Line Out Source" },
+	{ "LINEOUT", NULL, "Right Line Out Source" },
 
 	/* Earpiece Routes */
 	{ "Earpiece Source Playback Route", "DACL", "Left DAC" },