From a703ed76af8f0faecc8ed63999ac9b8a902fe1db Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Tue, 15 Aug 2017 18:21:10 -0600
Subject: [PATCH] Clicker2:  Configure EDBG SPI CS just to make that it is
 disabled

---
 configs/samv71-xult/src/sam_spi.c                      | 4 ++++
 configs/samv71-xult/src/samv71-xult.h                  | 5 +++++
 drivers/wireless/ieee802154/mrf24j40/mrf24j40_regops.c | 2 +-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/configs/samv71-xult/src/sam_spi.c b/configs/samv71-xult/src/sam_spi.c
index 712db8e0cb..563c03965c 100644
--- a/configs/samv71-xult/src/sam_spi.c
+++ b/configs/samv71-xult/src/sam_spi.c
@@ -70,6 +70,10 @@
 void sam_spidev_initialize(void)
 {
 #ifdef CONFIG_SAMV7_SPI0_MASTER
+  /* Make sure that the EDBG DIGI_SPI CS is high so that it does not interfere */
+
+  (void)sam_configgpio(CLICK_EDBG_CS);
+
 #ifdef CONFIG_SAMV71XULT_MB1_SPI
   /* Enable chip select for mikroBUS1 */
 
diff --git a/configs/samv71-xult/src/samv71-xult.h b/configs/samv71-xult/src/samv71-xult.h
index f0a9e92e2e..273f008b5d 100644
--- a/configs/samv71-xult/src/samv71-xult.h
+++ b/configs/samv71-xult/src/samv71-xult.h
@@ -611,6 +611,11 @@
 #define CLICK_MB2_CS       (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_OUTPUT_SET | \
                             GPIO_PORT_PIOC | GPIO_PIN9)
 
+/* EDBG DGI_SPI Chip select (PD12) */
+
+#define CLICK_EDBG_CS      (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_OUTPUT_SET | \
+                            GPIO_PORT_PIOD | GPIO_PIN12)
+
 /************************************************************************************
  * Public Types
  ************************************************************************************/
diff --git a/drivers/wireless/ieee802154/mrf24j40/mrf24j40_regops.c b/drivers/wireless/ieee802154/mrf24j40/mrf24j40_regops.c
index 6e8e79d3dc..b5c2c7bc03 100644
--- a/drivers/wireless/ieee802154/mrf24j40/mrf24j40_regops.c
+++ b/drivers/wireless/ieee802154/mrf24j40/mrf24j40_regops.c
@@ -129,7 +129,7 @@ uint8_t mrf24j40_getreg(FAR struct spi_dev_s *spi, uint32_t addr)
 
   buf[len++] = 0xFF; /* dummy */
 
-  mrf24j40_spi_lock  (spi);
+  mrf24j40_spi_lock(spi);
   SPI_SELECT     (spi, SPIDEV_IEEE802154(0), true);
   SPI_EXCHANGE   (spi, buf, rx, len);
   SPI_SELECT     (spi, SPIDEV_IEEE802154(0), false);