1 files changed, 2 insertions, 0 deletions

diff --git a/mmc.h b/mmc.h
index b9869e5..c6fcc83 100644
--- a/mmc.h
+++ b/mmc.h
@@ -26,6 +26,8 @@
 /* From kernel linux/mmc/mmc.h */
 #define MMC_SWITCH		6	/* ac	[31:0] See below	R1b */
 #define MMC_SEND_EXT_CSD	8	/* adtc				R1  */
+#define MMC_SEND_STATUS		13	/* ac   [31:16] RCA        R1  */
+#define R1_SWITCH_ERROR   (1 << 7)  /* sx, c */
 #define MMC_SWITCH_MODE_WRITE_BYTE	0x03	/* Set target to value */
 
 /*