mfd: arizona: Add device tree binding to specify mono outputs

Add device tree bindings to support specifying outputs from the chip as
mono outputs. Whilst we are doing it change the out_mono pdata from a
bool to an int, because Sparse gets upset about using ARRAY_SIZE on
bools.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index b9489a0d7fab..4bb486679110 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -861,6 +861,16 @@ static int arizona_of_get_core_pdata(struct arizona *arizona)
                 count++;
         }
 
+        count = 0;
+        of_property_for_each_u32(arizona->dev->of_node, "wlf,out-mono", prop,
+                                 cur, val) {
+                if (count == ARRAY_SIZE(pdata->out_mono))
+                        break;
+
+                pdata->out_mono[count] = !!val;
+                count++;
+        }
+
         return 0;
 }