ASoC: ak5386: Add regulators to documentation and fix sparse warning

Document the newly added regulators to the DT binding document.

Also, "static const char const *x" is not identical to "static const
char * const x", which sparse now complains about. Fix it.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/sound/ak5386.txt b/Documentation/devicetree/bindings/sound/ak5386.txt
index dc3914fe6ce8..ec3df3abba0c 100644
--- a/Documentation/devicetree/bindings/sound/ak5386.txt
+++ b/Documentation/devicetree/bindings/sound/ak5386.txt
@@ -10,10 +10,14 @@ Optional properties:
 
   - reset-gpio : a GPIO spec for the reset/power down pin.
                  If specified, it will be deasserted at probe time.
+  - va-supply : a regulator spec, providing 5.0V
+  - vd-supply : a regulator spec, providing 3.3V
 
 Example:
 
 spdif: ak5386@0 {
         compatible = "asahi-kasei,ak5386";
         reset-gpio = <&gpio0 23>;
+        va-supply = <&vdd_5v0_reg>;
+        vd-supply = <&vdd_3v3_reg>;
 };