2 files changed, 11 insertions, 0 deletions

diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c
index 2691648e607e..90ad3fa91329 100644
--- a/drivers/mfd/wm831x-irq.c
+++ b/drivers/mfd/wm831x-irq.c
@@ -520,6 +520,14 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
                 return 0;
         }
 
+        if (pdata->irq_cmos)
+                i = 0;
+        else
+                i = WM831X_IRQ_OD;
+
+        wm831x_set_bits(wm831x, WM831X_IRQ_CONFIG,
+                        WM831X_IRQ_OD, i);
+
         /* Try to flag /IRQ as a wake source; there are a number of
          * unconditional wake sources in the PMIC so this isn't
          * conditional but we don't actually care *too* much if it
diff --git a/include/linux/mfd/wm831x/pdata.h b/include/linux/mfd/wm831x/pdata.h
index 173086d42af4..ac3aa73943e7 100644
--- a/include/linux/mfd/wm831x/pdata.h
+++ b/include/linux/mfd/wm831x/pdata.h
@@ -109,6 +109,9 @@ struct wm831x_pdata {
         /** Called after subdevices are set up */
         int (*post_init)(struct wm831x *wm831x);
 
+        /** Put the /IRQ line into CMOS mode */
+        bool irq_cmos;
+
         int irq_base;
         int gpio_base;
         struct wm831x_backlight_pdata *backlight;