media: smiapp: Add macros for accessing CCS registers

Add two helper macros for reading and writing the CCS registers as defined
in ccs-regs.h.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/i2c/smiapp/smiapp-regs.h

@@ -28,4 +28,10 @@ int smiapp_write(struct smiapp_sensor *sensor, u32 reg, u32 val);
 
 unsigned int ccs_reg_width(u32 reg);
 
+#define ccs_read(sensor, reg_name, val) \
+	smiapp_read(sensor, CCS_R_##reg_name, val)
+
+#define ccs_write(sensor, reg_name, val) \
+	smiapp_write(sensor, CCS_R_##reg_name, val)
+
 #endif