system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-10-18 01:08:35 +00:00
Code Issues Packages Projects Releases Wiki Activity

Input: lpc32xx_ts - convert to use BIT()

Browse source 
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>
This commit is contained in:
edison.jiang 2021-03-19 20:56:00 -07:00 committed by Dmitry Torokhov
parent bfae2779fe
commit 4895bfe911
1 changed files with 5 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/input/touchscreen/lpc32xx_ts.c
View file

@ -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)