If the said config optio is not set, the compiler will spill out many
warnings about statements with no effect, such as:
Casting the zero to void will cure the warning.
Signed-off-by: Timo Kokkonen <kaapeli@itanic.dy.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
int saa7134_ir_start(struct saa7134_dev *dev);
void saa7134_ir_stop(struct saa7134_dev *dev);
#else
int saa7134_ir_start(struct saa7134_dev *dev);
void saa7134_ir_stop(struct saa7134_dev *dev);
#else
-#define saa7134_input_init1(dev) (0)
-#define saa7134_input_fini(dev) (0)
-#define saa7134_input_irq(dev) (0)
-#define saa7134_probe_i2c_ir(dev) (0)
-#define saa7134_ir_start(dev) (0)
-#define saa7134_ir_stop(dev) (0)
+#define saa7134_input_init1(dev) ((void)0)
+#define saa7134_input_fini(dev) ((void)0)
+#define saa7134_input_irq(dev) ((void)0)
+#define saa7134_probe_i2c_ir(dev) ((void)0)
+#define saa7134_ir_start(dev) ((void)0)
+#define saa7134_ir_stop(dev) ((void)0)