media: staging: media: omap4iss: code style - avoid macro argument precedence issues

This patch fixes the following checkpatch.pl check:

CHECK: Macro argument 'i' may be better as '(i)' to avoid precedence issues

in file iss_regs.h

Link: https://lore.kernel.org/linux-media/20210221195308.1451-1-knv418@gmail.comSigned-off-by: Nikolay Kyx <knv418@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/omap4iss/iss_regs.h

@@ -197,7 +197,7 @@
 #define CSI2_TIMING_STOP_STATE_COUNTER_IO1_MASK		(0x1fff << 0)
 #define CSI2_TIMING_STOP_STATE_COUNTER_IO1_SHIFT	0
 
-#define CSI2_CTX_CTRL1(i)				(0x70 + (0x20 * i))
+#define CSI2_CTX_CTRL1(i)				(0x70 + (0x20 * (i)))
 #define CSI2_CTX_CTRL1_GENERIC				BIT(30)
 #define CSI2_CTX_CTRL1_TRANSCODE			(0xf << 24)
 #define CSI2_CTX_CTRL1_FEC_NUMBER_MASK			(0xff << 16)
@@ -210,7 +210,7 @@
 #define CSI2_CTX_CTRL1_PING_PONG			BIT(3)
 #define CSI2_CTX_CTRL1_CTX_EN				BIT(0)
 
-#define CSI2_CTX_CTRL2(i)				(0x74 + (0x20 * i))
+#define CSI2_CTX_CTRL2(i)				(0x74 + (0x20 * (i)))
 #define CSI2_CTX_CTRL2_FRAME_MASK			(0xffff << 16)
 #define CSI2_CTX_CTRL2_FRAME_SHIFT			16
 #define CSI2_CTX_CTRL2_USER_DEF_MAP_SHIFT		13
@@ -222,19 +222,19 @@
 #define CSI2_CTX_CTRL2_FORMAT_MASK			(0x3ff << 0)
 #define CSI2_CTX_CTRL2_FORMAT_SHIFT			0
 
-#define CSI2_CTX_DAT_OFST(i)				(0x78 + (0x20 * i))
+#define CSI2_CTX_DAT_OFST(i)				(0x78 + (0x20 * (i)))
 #define CSI2_CTX_DAT_OFST_MASK				(0xfff << 5)
 
-#define CSI2_CTX_PING_ADDR(i)				(0x7c + (0x20 * i))
+#define CSI2_CTX_PING_ADDR(i)				(0x7c + (0x20 * (i)))
 #define CSI2_CTX_PING_ADDR_MASK				0xffffffe0
 
-#define CSI2_CTX_PONG_ADDR(i)				(0x80 + (0x20 * i))
+#define CSI2_CTX_PONG_ADDR(i)				(0x80 + (0x20 * (i)))
 #define CSI2_CTX_PONG_ADDR_MASK				CSI2_CTX_PING_ADDR_MASK
 
-#define CSI2_CTX_IRQENABLE(i)				(0x84 + (0x20 * i))
-#define CSI2_CTX_IRQSTATUS(i)				(0x88 + (0x20 * i))
+#define CSI2_CTX_IRQENABLE(i)				(0x84 + (0x20 * (i)))
+#define CSI2_CTX_IRQSTATUS(i)				(0x88 + (0x20 * (i)))
 
-#define CSI2_CTX_CTRL3(i)				(0x8c + (0x20 * i))
+#define CSI2_CTX_CTRL3(i)				(0x8c + (0x20 * (i)))
 #define CSI2_CTX_CTRL3_ALPHA_SHIFT			5
 #define CSI2_CTX_CTRL3_ALPHA_MASK			\
 		(0x3fff << CSI2_CTX_CTRL3_ALPHA_SHIFT)