From cd27930fe403cf4b7a4441dfc0bb4fb30a32cb34 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Se=C3=A1n=20C=2E=20McCord?= <ulexus@gmail.com>
Date: Mon, 13 Aug 2018 11:20:42 -0400
Subject: [PATCH] bitbang/spi: disable CS before manipulating CLK (#276)

Fixed #275
---
 experimental/devices/bitbang/spi.go | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/experimental/devices/bitbang/spi.go b/experimental/devices/bitbang/spi.go
index ec8c7b7..c651586 100644
--- a/experimental/devices/bitbang/spi.go
+++ b/experimental/devices/bitbang/spi.go
@@ -30,6 +30,11 @@ import (
 //
 // cs can be nil.
 func NewSPI(clk, mosi gpio.PinOut, miso gpio.PinIn, cs gpio.PinOut) (*SPI, error) {
+	if cs != nil {
+		if err := cs.Out(gpio.High); err != nil {
+			return nil, err
+		}
+	}
 	if err := clk.Out(gpio.High); err != nil {
 		return nil, err
 	}
@@ -41,12 +46,6 @@ func NewSPI(clk, mosi gpio.PinOut, miso gpio.PinIn, cs gpio.PinOut) (*SPI, error
 			return nil, err
 		}
 	}
-	if cs != nil {
-		// Low means active.
-		if err := cs.Out(gpio.High); err != nil {
-			return nil, err
-		}
-	}
 	return &SPI{spiConn: spiConn{sck: clk, sdi: miso, sdo: mosi, csn: cs}}, nil
 }