From ea4e52d39dfda07ee652c0139673d255897d998b Mon Sep 17 00:00:00 2001
From: deadprogram <ron@hybridgroup.com>
Date: Mon, 1 May 2017 10:31:01 +0200
Subject: [PATCH] chip: implement DigitalPinnerProvider and PWMPinnerProvider
 interfaces

Signed-off-by: deadprogram <ron@hybridgroup.com>
---
 platforms/chip/chip_adaptor.go      | 4 ++--
 platforms/chip/chip_adaptor_test.go | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/platforms/chip/chip_adaptor.go b/platforms/chip/chip_adaptor.go
index 05e7f9db..c7909d81 100644
--- a/platforms/chip/chip_adaptor.go
+++ b/platforms/chip/chip_adaptor.go
@@ -133,7 +133,7 @@ func (c *Adaptor) GetDefaultBus() int {
 }
 
 // digitalPin returns matched digitalPin for specified values
-func (c *Adaptor) DigitalPin(pin string, dir string) (sysfsPin *sysfs.DigitalPin, err error) {
+func (c *Adaptor) DigitalPin(pin string, dir string) (sysfsPin sysfs.DigitalPinner, err error) {
 	i, err := c.translatePin(pin)
 
 	if err != nil {
@@ -155,7 +155,7 @@ func (c *Adaptor) DigitalPin(pin string, dir string) (sysfsPin *sysfs.DigitalPin
 }
 
 // pwmPin returns matched pwmPin for specified pin number
-func (c *Adaptor) PWMPin(pin string) (sysfsPin *sysfs.PWMPin, err error) {
+func (c *Adaptor) PWMPin(pin string) (sysfsPin sysfs.PWMPinner, err error) {
 	sysPin := c.pinmap[pin]
 	if sysPin.pwmPin != -1 {
 		if c.pwmPins[sysPin.pwmPin] == nil {
diff --git a/platforms/chip/chip_adaptor_test.go b/platforms/chip/chip_adaptor_test.go
index 79dd0050..05617bfd 100644
--- a/platforms/chip/chip_adaptor_test.go
+++ b/platforms/chip/chip_adaptor_test.go
@@ -18,6 +18,8 @@ var _ gpio.DigitalReader = (*Adaptor)(nil)
 var _ gpio.DigitalWriter = (*Adaptor)(nil)
 var _ gpio.PwmWriter = (*Adaptor)(nil)
 var _ gpio.ServoWriter = (*Adaptor)(nil)
+var _ sysfs.DigitalPinnerProvider = (*Adaptor)(nil)
+var _ sysfs.PWMPinnerProvider = (*Adaptor)(nil)
 var _ i2c.Connector = (*Adaptor)(nil)
 
 func initTestChipAdaptor() (*Adaptor, *sysfs.MockFilesystem) {