ASoC: wm5110: Implement haptics support

Provide a haptics widget for use by the haptics driver and expose the DAPM
context for it.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 24 insertions, 1 deletions

diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c
index 3485b83dc068..2a075ad00d5b 100644
--- a/sound/soc/codecs/wm5110.c
+++ b/sound/soc/codecs/wm5110.c
@@ -352,6 +352,7 @@ SND_SOC_DAPM_REGULATOR_SUPPLY("SPKVDDR", 0, 0),
 
 SND_SOC_DAPM_SIGGEN("TONE"),
 SND_SOC_DAPM_SIGGEN("NOISE"),
+SND_SOC_DAPM_SIGGEN("HAPTICS"),
 
 SND_SOC_DAPM_INPUT("IN1L"),
 SND_SOC_DAPM_INPUT("IN1R"),
@@ -610,6 +611,7 @@ SND_SOC_DAPM_OUTPUT("SPKDAT2R"),
         { name, "Noise Generator", "Noise Generator" }, \
         { name, "Tone Generator 1", "Tone Generator 1" }, \
         { name, "Tone Generator 2", "Tone Generator 2" }, \
+        { name, "Haptics", "HAPTICS" }, \
         { name, "AEC", "AEC Loopback" }, \
         { name, "IN1L", "IN1L PGA" }, \
         { name, "IN1R", "IN1R PGA" }, \
@@ -902,9 +904,29 @@ static struct snd_soc_dai_driver wm5110_dai[] = {
 static int wm5110_codec_probe(struct snd_soc_codec *codec)
 {
         struct wm5110_priv *priv = snd_soc_codec_get_drvdata(codec);
+        int ret;
 
         codec->control_data = priv->core.arizona->regmap;
-        return snd_soc_codec_set_cache_io(codec, 32, 16, SND_SOC_REGMAP);
+        priv->core.arizona->dapm = &codec->dapm;
+
+        ret = snd_soc_codec_set_cache_io(codec, 32, 16, SND_SOC_REGMAP);
+        if (ret != 0)
+                return ret;
+
+        snd_soc_dapm_disable_pin(&codec->dapm, "HAPTICS");
+
+        priv->core.arizona->dapm = &codec->dapm;
+
+        return 0;
+}
+
+static int wm5110_codec_remove(struct snd_soc_codec *codec)
+{
+        struct wm5110_priv *priv = snd_soc_codec_get_drvdata(codec);
+
+        priv->core.arizona->dapm = NULL;
+
+        return 0;
 }
 
 #define WM5110_DIG_VU 0x0200
@@ -935,6 +957,7 @@ static unsigned int wm5110_digital_vu[] = {
 
 static struct snd_soc_codec_driver soc_codec_dev_wm5110 = {
         .probe = wm5110_codec_probe,
+        .remove = wm5110_codec_remove,
 
         .idle_bias_off = true,