1 files changed, 31 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 549018e46233..ec4417a5e669 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -2468,6 +2468,7 @@ SND_SOC_DAPM_INPUT("IN3R"),
 SND_SOC_DAPM_INPUT("IN4L"),
 SND_SOC_DAPM_INPUT("IN4R"),
 SND_SOC_DAPM_INPUT("Beep"),
+SND_SOC_DAPM_INPUT("DMICDAT"),
 
 SND_SOC_DAPM_MICBIAS("MICBIAS", WM8962_PWR_MGMT_1, 1, 0),
 
@@ -2487,6 +2488,8 @@ SND_SOC_DAPM_MIXER("MIXINL", WM8962_PWR_MGMT_1, 5, 0,
 SND_SOC_DAPM_MIXER("MIXINR", WM8962_PWR_MGMT_1, 4, 0,
                    mixinr, ARRAY_SIZE(mixinr)),
 
+SND_SOC_DAPM_AIF_IN("DMIC", NULL, 0, WM8962_PWR_MGMT_1, 10, 0),
+
 SND_SOC_DAPM_ADC("ADCL", "Capture", WM8962_PWR_MGMT_1, 3, 0),
 SND_SOC_DAPM_ADC("ADCR", "Capture", WM8962_PWR_MGMT_1, 2, 0),
 
@@ -2564,13 +2567,17 @@ static const struct snd_soc_dapm_route wm8962_intercon[] = {
 
         { "MICBIAS", NULL, "SYSCLK" },
 
+        { "DMIC", NULL, "DMICDAT" },
+
         { "ADCL", NULL, "SYSCLK" },
         { "ADCL", NULL, "TOCLK" },
         { "ADCL", NULL, "MIXINL" },
+        { "ADCL", NULL, "DMIC" },
 
         { "ADCR", NULL, "SYSCLK" },
         { "ADCR", NULL, "TOCLK" },
         { "ADCR", NULL, "MIXINR" },
+        { "ADCR", NULL, "DMIC" },
 
         { "STL", "Left", "ADCL" },
         { "STL", "Right", "ADCR" },
@@ -3719,6 +3726,7 @@ static int wm8962_probe(struct snd_soc_codec *codec)
                                               dev);
         u16 *reg_cache = codec->reg_cache;
         int i, trigger, irq_pol;
+        bool dmicclk, dmicdat;
 
         wm8962->codec = codec;
         INIT_DELAYED_WORK(&wm8962->mic_work, wm8962_mic_work);
@@ -3856,6 +3864,29 @@ static int wm8962_probe(struct snd_soc_codec *codec)
 
         wm8962_add_widgets(codec);
 
+        /* Save boards having to disable DMIC when not in use */
+        dmicclk = false;
+        dmicdat = false;
+        for (i = 0; i < WM8962_MAX_GPIO; i++) {
+                switch (snd_soc_read(codec, WM8962_GPIO_BASE + i)
+                        & WM8962_GP2_FN_MASK) {
+                case WM8962_GPIO_FN_DMICCLK:
+                        dmicclk = true;
+                        break;
+                case WM8962_GPIO_FN_DMICDAT:
+                        dmicdat = true;
+                        break;
+                default:
+                        break;
+                }
+        }
+        if (!dmicclk || !dmicdat) {
+                dev_dbg(codec->dev, "DMIC not in use, disabling\n");
+                snd_soc_dapm_nc_pin(&codec->dapm, "DMICDAT");
+        }
+        if (dmicclk != dmicdat)
+                dev_warn(codec->dev, "DMIC GPIOs partially configured\n");
+
         wm8962_init_beep(codec);
         wm8962_init_gpio(codec);