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Diffstat (limited to 'include/asm-arm/arch-omap/gpioexpander.h')
-rw-r--r--include/asm-arm/arch-omap/gpioexpander.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/asm-arm/arch-omap/gpioexpander.h b/include/asm-arm/arch-omap/gpioexpander.h
index 7a43b0a912e..4eed1f80e2f 100644
--- a/include/asm-arm/arch-omap/gpioexpander.h
+++ b/include/asm-arm/arch-omap/gpioexpander.h
@@ -18,7 +18,18 @@
/* Function Prototypes for GPIO Expander functions */
+#ifdef CONFIG_GPIOEXPANDER_OMAP
int read_gpio_expa(u8 *, int);
int write_gpio_expa(u8 , int);
+#else
+static inline int read_gpio_expa(u8 *val, int addr)
+{
+ return 0;
+}
+static inline int write_gpio_expa(u8 val, int addr)
+{
+ return 0;
+}
+#endif
#endif /* __ASM_ARCH_OMAP_GPIOEXPANDER_H */