staging/fbtft : Use BIT() macro when possible

Based on checkpatch.pl recommendations, (1 << x)
is replaced by BIT(x)
Signed-off-by: NAnish Bhatt <anish@chelsio.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fbtft/fb_hx8340bn.c

@@ -113,9 +113,9 @@ static int set_var(struct fbtft_par *par)
 {
 	/* MADCTL - Memory data access control */
 	/* RGB/BGR can be set with H/W pin SRGB and MADCTL BGR bit */
-#define MY (1 << 7)
-#define MX (1 << 6)
-#define MV (1 << 5)
+#define MY BIT(7)
+#define MX BIT(6)
+#define MV BIT(5)
 	switch (par->info->var.rotate) {
 	case 0:
 		write_reg(par, 0x36, par->bgr << 3);

drivers/staging/fbtft/fb_hx8353d.c

@@ -87,9 +87,9 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
 	write_reg(par, 0x2c);
 }
 
-#define my (1 << 7)
-#define mx (1 << 6)
-#define mv (1 << 5)
+#define my BIT(7)
+#define mx BIT(6)
+#define mv BIT(5)
 static int set_var(struct fbtft_par *par)
 {
 	fbtft_par_dbg(DEBUG_INIT_DISPLAY, par, "%s()\n", __func__);

drivers/staging/fbtft/fb_s6d02a1.c

@@ -111,9 +111,9 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
 	write_reg(par, 0x2C);
 }
 
-#define MY (1 << 7)
-#define MX (1 << 6)
-#define MV (1 << 5)
+#define MY BIT(7)
+#define MX BIT(6)
+#define MV BIT(5)
 static int set_var(struct fbtft_par *par)
 {
 	fbtft_par_dbg(DEBUG_INIT_DISPLAY, par, "%s()\n", __func__);

drivers/staging/fbtft/fb_st7735r.c

@@ -105,9 +105,9 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
 	write_reg(par, 0x2C);
 }
 
-#define MY (1 << 7)
-#define MX (1 << 6)
-#define MV (1 << 5)
+#define MY BIT(7)
+#define MX BIT(6)
+#define MV BIT(5)
 static int set_var(struct fbtft_par *par)
 {
 	fbtft_par_dbg(DEBUG_INIT_DISPLAY, par, "%s()\n", __func__);