Commit 1c68b7cf authored by Dmitry Torokhov's avatar Dmitry Torokhov

Input: cy8ctmg110_ts - use endian helpers when converting data on wire

Switch to using be16_to_cpup() instead of shifting and combining data by
hand.
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210603043726.3793876-5-dmitry.torokhov@gmail.comSigned-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 172b07a6
......@@ -16,6 +16,7 @@
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/input/cy8ctmg110_pdata.h>
#include <asm/byteorder.h>
#define CY8CTMG110_DRIVER_NAME "cy8ctmg110"
......@@ -111,7 +112,6 @@ static int cy8ctmg110_touch_pos(struct cy8ctmg110 *tsc)
{
struct input_dev *input = tsc->input;
unsigned char reg_p[CY8CTMG110_REG_MAX];
int x, y;
memset(reg_p, 0, CY8CTMG110_REG_MAX);
......@@ -119,16 +119,15 @@ static int cy8ctmg110_touch_pos(struct cy8ctmg110 *tsc)
if (cy8ctmg110_read_regs(tsc, reg_p, 9, CY8CTMG110_TOUCH_X1) != 0)
return -EIO;
y = reg_p[2] << 8 | reg_p[3];
x = reg_p[0] << 8 | reg_p[1];
/* Number of touch */
if (reg_p[8] == 0) {
input_report_key(input, BTN_TOUCH, 0);
} else {
input_report_key(input, BTN_TOUCH, 1);
input_report_abs(input, ABS_X, x);
input_report_abs(input, ABS_Y, y);
input_report_abs(input, ABS_X,
be16_to_cpup((__be16 *)(reg_p + 0)));
input_report_abs(input, ABS_Y,
be16_to_cpup((__be16 *)(reg_p + 2)));
}
input_sync(input);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment