From e41d78e8486741cced6d788e24ef4b808a57af87 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Wed, 4 Mar 2015 07:23:46 -0600
Subject: [PATCH] Add missing CONFIG_SPI_CALLBACK selection to the
 drivers/spi/Kconfig.  Noted by Freddie Chopin

---
 drivers/spi/Kconfig | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index b7a59a865e..8ac009ce33 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -29,6 +29,15 @@ config SPI_CMDDATA
 		either 9-bit SPI (yech) or 8-bit SPI and a GPIO output that selects
 		between command and data.
 
+config SPI_CALLBACK
+	bool "Media change callbacks"
+	default y if MMCSD_SPI
+	default n if !MMCSD_SPI
+	---help---
+		Support the callback method in the SPI interface.  This will allow
+		the SPI-based MMC/SD driver to get a notification of changes in the
+		card status when an SD card is inserted or removed.
+
 config SPI_BITBANG
 	bool "SPI bit-bang device"
 	default n