mfd: Add WM831x AUXADC support

[deliverable/linux.git] / include / linux / mfd / wm831x / core.h

diff --git a/include/linux/mfd/wm831x/core.h b/include/linux/mfd/wm831x/core.h
index b96c9355b16eb88f8ff45ee722af78d9acdcee86..d7134dfba56e25d26751ceb17a592005eb00a49b 100644 (file)
--- a/include/linux/mfd/wm831x/core.h
+++ b/include/linux/mfd/wm831x/core.h
@@ -234,6 +234,8 @@ struct wm831x {
        unsigned int irq_base;
        int irq_masks[5];
 
+       struct mutex auxadc_lock;
+
        /* The WM831x has a security key blocking access to certain
         * registers.  The mutex is taken by the accessors for locking
         * and unlocking the security key, locked is used to fail