ASoC: wm8994: Allow microphone identification callback to be overridden

Allow custom accessory identification mechanisms to make use of the MICDET
support in the device.

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

1 files changed, 16 insertions, 6 deletions

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index fdef56c1320b..82411009d401 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3432,8 +3432,9 @@ static void wm8958_button_det(struct snd_soc_codec *codec, u16 status)
                             wm8994->btn_mask);
 }
 
-static void wm8958_mic_id(struct snd_soc_codec *codec, u16 status)
+static void wm8958_mic_id(void *data, u16 status)
 {
+        struct snd_soc_codec *codec = data;
         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 
         /* Either nothing present or just starting detection */
@@ -3629,7 +3630,8 @@ static void wm1811_jackdet_bootstrap(struct work_struct *work)
  * detection algorithm.
  */
 int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
-                      wm1811_micdet_cb cb, void *cb_data)
+                      wm1811_micdet_cb det_cb, void *det_cb_data,
+                      wm1811_mic_id_cb id_cb, void *id_cb_data)
 {
         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
         struct wm8994 *control = wm8994->wm8994;
@@ -3649,14 +3651,22 @@ int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
 
                 wm8994->micdet[0].jack = jack;
 
-                if (cb) {
-                        wm8994->micd_cb = cb;
-                        wm8994->micd_cb_data = cb_data;
+                if (det_cb) {
+                        wm8994->micd_cb = det_cb;
+                        wm8994->micd_cb_data = det_cb_data;
                 } else {
                         wm8994->mic_detecting = true;
                         wm8994->jack_mic = false;
                 }
 
+                if (id_cb) {
+                        wm8994->mic_id_cb = id_cb;
+                        wm8994->mic_id_cb_data = id_cb_data;
+                } else {
+                        wm8994->mic_id_cb = wm8958_mic_id;
+                        wm8994->mic_id_cb_data = codec;
+                }
+
                 wm8958_micd_set_rate(codec);
 
                 /* Detect microphones and short circuits by default */
@@ -3768,7 +3778,7 @@ static irqreturn_t wm8958_mic_irq(int irq, void *data)
         }
 
         if (wm8994->mic_detecting)
-                wm8958_mic_id(codec, reg);
+                wm8994->mic_id_cb(wm8994->mic_id_cb_data, reg);
         else
                 wm8958_button_det(codec, reg);