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-rw-r--r--drivers/staging/rts_pstor/sd.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/rts_pstor/sd.h b/drivers/staging/rts_pstor/sd.h
index d62e690..1df1aa7 100644
--- a/drivers/staging/rts_pstor/sd.h
+++ b/drivers/staging/rts_pstor/sd.h
@@ -38,6 +38,11 @@
#define SD_RSP_TIMEOUT 0x04
#define SD_IO_ERR 0x02
+/* Return code for MMC switch bus */
+#define SWITCH_SUCCESS 0
+#define SWITCH_ERR 1
+#define SWITCH_FAIL 2
+
/* MMC/SD Command Index */
/* Basic command (class 0) */
#define GO_IDLE_STATE 0