ASoC: wm5102: Add noise gate control

The references used for the noise gates and parameters for their triggering
are configurable, expose that to users.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm5102.c

@@ -42,6 +42,7 @@ static DECLARE_TLV_DB_SCALE(ana_tlv, 0, 100, 0);
 static DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
 static DECLARE_TLV_DB_SCALE(digital_tlv, -6400, 50, 0);
 static DECLARE_TLV_DB_SCALE(noise_tlv, 0, 600, 0);
+static DECLARE_TLV_DB_SCALE(ng_tlv, -10200, 600, 0);
 
 static const struct wm_adsp_region wm5102_dsp1_regions[] = {
 	{ .type = WMFW_ADSP2_PM, .base = 0x100000 },
@@ -600,6 +601,17 @@ static int wm5102_sysclk_ev(struct snd_soc_dapm_widget *w,
 	return 0;
 }
 
+#define WM5102_NG_SRC(name, base) \
+	SOC_SINGLE(name " NG HPOUT1L Switch",  base, 0, 1, 0), \
+	SOC_SINGLE(name " NG HPOUT1R Switch",  base, 1, 1, 0), \
+	SOC_SINGLE(name " NG HPOUT2L Switch",  base, 2, 1, 0), \
+	SOC_SINGLE(name " NG HPOUT2R Switch",  base, 3, 1, 0), \
+	SOC_SINGLE(name " NG EPOUT Switch",    base, 4, 1, 0), \
+	SOC_SINGLE(name " NG SPKOUTL Switch",  base, 6, 1, 0), \
+	SOC_SINGLE(name " NG SPKOUTR Switch",  base, 7, 1, 0), \
+	SOC_SINGLE(name " NG SPKDAT1L Switch", base, 8, 1, 0), \
+	SOC_SINGLE(name " NG SPKDAT1R Switch", base, 9, 1, 0)
+
 static const struct snd_kcontrol_new wm5102_snd_controls[] = {
 SOC_SINGLE("IN1 High Performance Switch", ARIZONA_IN1L_CONTROL,
 	   ARIZONA_IN1_OSR_SHIFT, 1, 0),
@@ -783,6 +795,22 @@ SOC_ENUM("Output Ramp Down", arizona_out_vd_ramp),
 SOC_DOUBLE("SPKDAT1 Switch", ARIZONA_PDM_SPK1_CTRL_1, ARIZONA_SPK1L_MUTE_SHIFT,
 	   ARIZONA_SPK1R_MUTE_SHIFT, 1, 1),
 
+SOC_SINGLE("Noise Gate Switch", ARIZONA_NOISE_GATE_CONTROL,
+	   ARIZONA_NGATE_ENA_SHIFT, 1, 0),
+SOC_SINGLE_TLV("Noise Gate Threshold Volume", ARIZONA_NOISE_GATE_CONTROL,
+	       ARIZONA_NGATE_THR_SHIFT, 7, 1, ng_tlv),
+SOC_ENUM("Noise Gate Hold", arizona_ng_hold),
+
+WM5102_NG_SRC("HPOUT1L", ARIZONA_NOISE_GATE_SELECT_1L),
+WM5102_NG_SRC("HPOUT1R", ARIZONA_NOISE_GATE_SELECT_1R),
+WM5102_NG_SRC("HPOUT2L", ARIZONA_NOISE_GATE_SELECT_2L),
+WM5102_NG_SRC("HPOUT2R", ARIZONA_NOISE_GATE_SELECT_2R),
+WM5102_NG_SRC("EPOUT", ARIZONA_NOISE_GATE_SELECT_3L),
+WM5102_NG_SRC("SPKOUTL", ARIZONA_NOISE_GATE_SELECT_4L),
+WM5102_NG_SRC("SPKOUTR", ARIZONA_NOISE_GATE_SELECT_4R),
+WM5102_NG_SRC("SPKDAT1L", ARIZONA_NOISE_GATE_SELECT_5L),
+WM5102_NG_SRC("SPKDAT1R", ARIZONA_NOISE_GATE_SELECT_5R),
+
 ARIZONA_MIXER_CONTROLS("AIF1TX1", ARIZONA_AIF1TX1MIX_INPUT_1_SOURCE),
 ARIZONA_MIXER_CONTROLS("AIF1TX2", ARIZONA_AIF1TX2MIX_INPUT_1_SOURCE),
 ARIZONA_MIXER_CONTROLS("AIF1TX3", ARIZONA_AIF1TX3MIX_INPUT_1_SOURCE),