ASoC: da7219: Fix Sidetone to work regardless of DAI capture

Previously Sidetone would operate only when capture to DAI was in
progress, due to DAPM path configuration. There is no reason why
this should not operate without DAI capture, so this patch updates
the DAPM path accordingly.
Signed-off-by: NAdam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/codecs/da7219.c

@@ -968,10 +968,11 @@ static const struct snd_soc_dapm_route da7219_audio_map[] = {
 	{"Mixin PGA", NULL, "Mic PGA"},
 	{"ADC", NULL, "Mixin PGA"},
 
-	{"Sidetone Filter", NULL, "ADC"},
 	{"Mixer In", NULL, "Mixer In Supply"},
 	{"Mixer In", "Mic Switch", "ADC"},
 
+	{"Sidetone Filter", NULL, "Mixer In"},
+
 	{"Tone Generator", NULL, "TONE"},
 
 	DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),