Input: lpc32xx_ts - convert to use BIT()

There is error from cppcheck tool.
 "Shifting signed 32-bit value by 31 bits is undefined behaviour errors"

Signed-off-by: edison.jiang <jiangzhipeng@yulong.com>
Link: https://lore.kernel.org/r/20210316153150.1207-1-jzp0409@163.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/touchscreen/lpc32xx_ts.c b/drivers/input/touchscreen/lpc32xx_ts.c
index b51450b..15b5cb7 100644 (file)
--- a/drivers/input/touchscreen/lpc32xx_ts.c
+++ b/drivers/input/touchscreen/lpc32xx_ts.c
@@ -34,18 +34,18 @@
 #define LPC32XX_TSC_AUX_MIN                    0x38
 #define LPC32XX_TSC_AUX_MAX                    0x3C
 
-#define LPC32XX_TSC_STAT_FIFO_OVRRN            (1 << 8)
-#define LPC32XX_TSC_STAT_FIFO_EMPTY            (1 << 7)
+#define LPC32XX_TSC_STAT_FIFO_OVRRN            BIT(8)
+#define LPC32XX_TSC_STAT_FIFO_EMPTY            BIT(7)
 
 #define LPC32XX_TSC_SEL_DEFVAL                 0x0284
 
 #define LPC32XX_TSC_ADCCON_IRQ_TO_FIFO_4       (0x1 << 11)
 #define LPC32XX_TSC_ADCCON_X_SAMPLE_SIZE(s)    ((10 - (s)) << 7)
 #define LPC32XX_TSC_ADCCON_Y_SAMPLE_SIZE(s)    ((10 - (s)) << 4)
-#define LPC32XX_TSC_ADCCON_POWER_UP            (1 << 2)
-#define LPC32XX_TSC_ADCCON_AUTO_EN             (1 << 0)
+#define LPC32XX_TSC_ADCCON_POWER_UP            BIT(2)
+#define LPC32XX_TSC_ADCCON_AUTO_EN             BIT(0)
 
-#define LPC32XX_TSC_FIFO_TS_P_LEVEL            (1 << 31)
+#define LPC32XX_TSC_FIFO_TS_P_LEVEL            BIT(31)
 #define LPC32XX_TSC_FIFO_NORMALIZE_X_VAL(x)    (((x) & 0x03FF0000) >> 16)
 #define LPC32XX_TSC_FIFO_NORMALIZE_Y_VAL(y)    ((y) & 0x000003FF)