ASoC: 88pm860x-codec - Allow independent use of both I2S playback and capture

Introduce a I2S CLK supply so playback and capture can operate independently.
Signed-off-by: NBas Vermeulen <bas.vermeulen@novero.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/88pm860x-codec.c

@@ -772,11 +772,12 @@ static const struct snd_soc_dapm_widget pm860x_dapm_widgets[] = {
 
 
 	SND_SOC_DAPM_AIF_IN("I2S DIN", "I2S Playback", 0,
-			    PM860X_DAC_EN_2, 0, 0),
+			    SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("I2S DIN1", "I2S Playback", 0,
-			    PM860X_DAC_EN_2, 0, 0),
+			    SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("I2S DOUT", "I2S Capture", 0,
 			     PM860X_I2S_IFACE_3, 5, 1),
+	SND_SOC_DAPM_SUPPLY("I2S CLK", PM860X_DAC_EN_2, 0, 0, NULL, 0),
 	SND_SOC_DAPM_MUX("I2S Mic Mux", SND_SOC_NOPM, 0, 0, &i2s_mic_mux),
 	SND_SOC_DAPM_MUX("ADC Left Mux", SND_SOC_NOPM, 0, 0, &adcl_mux),
 	SND_SOC_DAPM_MUX("ADC Right Mux", SND_SOC_NOPM, 0, 0, &adcr_mux),
@@ -868,6 +869,11 @@ static const struct snd_soc_dapm_route audio_map[] = {
 	{"Left ADC", NULL, "Left ADC MOD"},
 	{"Right ADC", NULL, "Right ADC MOD"},
 
+	/* I2S Clock */
+	{"I2S DIN", NULL, "I2S CLK"},
+	{"I2S DIN1", NULL, "I2S CLK"},
+	{"I2S DOUT", NULL, "I2S CLK"},
+
 	/* PCM/AIF1 Inputs */
 	{"PCM SDO", NULL, "ADC Left Mux"},
 	{"PCM SDO", NULL, "ADCR EC Mux"},