在运行QT的过程了 我定义了一个QLabel 然后我拖动这个QLabel 就会出现下面这个问题 我拖动的过程中只是改变QLabel的位置
aule1=== 0 vaule2 5
MoveCon[ 83.303626] input_mt_report_slot_state
trol X== 0 Y === 5
[ 83.313179] touchscreen_report_pos
[ 83.318503] i2c i2c-0: mv64xxx_i2c_fsm: Ctlr Error -- state: 0x2, status: 0x0, addr: 0x38, flags: 0x0
[ 83.327746] edt_ft5x06 0-0038: Unable to fetch data, error: -5
[ 83.337297] x=== 154 y===72 id === 0 down == 1
[ 83.341776] input_mt_report_slot_state
[ 83.345705] touchscreen_report_pos
[ 83.349597] edt_ft5x06 0-0038: Unable to fetch data, error: -6
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https://github.com/torvalds/linux/blob/master/drivers/input/touchscreen/edt-ft5x06.c
error = edt_ft5x06_ts_readwrite(tsdata->client,
sizeof(cmd), &cmd,
datalen, rdbuf);
if (error) {
dev_err_ratelimited(dev, "Unable to fetch data, error: %d\n",
error);
goto out;
}
https://github.com/torvalds/linux/blob/master/include/uapi/asm-generic/errno-base.h
#define EPERM 1 /* Operation not permitted */
#define ENOENT 2 /* No such file or directory */
#define ESRCH 3 /* No such process */
#define EINTR 4 /* Interrupted system call */
#define EIO 5 /* I/O error */
#define ENXIO 6 /* No such device or address */
#define E2BIG 7 /* Argument list too long */
#define ENOEXEC 8 /* Exec format error */
检查是不是硬件问题, 供电查起，电压, 波纹, 干扰 ...
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如果是单纯的点击没有问题 就是在屏幕上面拖动的时候就有问题了 等下让硬件的来看看吧
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