ASoC: Implement DC servo completion IRQ handling for wm_hubs devices

The individual devices should set the flag dcs_done_irq in the hubs
shared data structure to indicate that they will flag the interrupt
by calling wm_hubs_dcs_done().

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

1 files changed, 8 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm_hubs.h b/sound/soc/codecs/wm_hubs.h
index 0d290d2740ec..676b1252ab91 100644
--- a/sound/soc/codecs/wm_hubs.h
+++ b/sound/soc/codecs/wm_hubs.h
@@ -14,6 +14,9 @@
 #ifndef _WM_HUBS_H
 #define _WM_HUBS_H
 
+#include <linux/completion.h>
+#include <linux/interrupt.h>
+
 struct snd_soc_codec;
 
 extern const unsigned int wm_hubs_spkmix_tlv[];
@@ -28,6 +31,9 @@ struct wm_hubs_data {
 
         bool class_w;
         u16 class_w_dcs;
+
+        bool dcs_done_irq;
+        struct completion dcs_done;
 };
 
 extern int wm_hubs_add_analogue_controls(struct snd_soc_codec *);
@@ -38,4 +44,6 @@ extern int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *,
                                          int jd_scthr, int jd_thr,
                                          int micbias1_lvl, int micbias2_lvl);
 
+extern irqreturn_t wm_hubs_dcs_done(int irq, void *data);
+
 #endif