gpiolib: Make WM831x GPIO count dynamic

This supports future devices with fewer GPIOs.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index 8504c6ef4a16..8d386c0c8027 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -1293,16 +1293,19 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
         switch (ret) {
         case WM8310:
                 parent = WM8310;
+                wm831x->num_gpio = 16;
                 dev_info(wm831x->dev, "WM8310 revision %c\n", 'A' + rev);
                 break;
 
         case WM8311:
                 parent = WM8311;
+                wm831x->num_gpio = 16;
                 dev_info(wm831x->dev, "WM8311 revision %c\n", 'A' + rev);
                 break;
 
         case WM8312:
                 parent = WM8312;
+                wm831x->num_gpio = 16;
                 dev_info(wm831x->dev, "WM8312 revision %c\n", 'A' + rev);
                 break;