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Kernel->touch:fix gsl3680 power on cannot touch

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This commit is contained in:
cjp
2019-05-06 15:09:18 +08:00
committed by cjp
parent 0baa5201ea
commit 1040cf9f66
1 changed files with 19 additions and 16 deletions
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35
kernel/drivers/input/touchscreen/rockchip_gslX680_firefly.c
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@ -1301,23 +1301,7 @@ static int gsl_ts_probe(struct i2c_client *client,
printk("GSLX680 Enter %s\n", __func__);
//gslX680_init();
while(timer > 0)
{
ret = i2c_master_recv(client,&buffer,1);
if(ret >= 0)
{
printk("%s--%d, i2c_master_recv sucess\n", __func__, __LINE__);
break;
}
timer--;
msleep(100);
}
if(ret < 0)
{
printk("%s--%d, i2c_master_recv fail\n", __func__, __LINE__);
return ret;
}
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
dev_err(&client->dev, "I2C functionality not supported\n");
@ -1357,12 +1341,31 @@ static int gsl_ts_probe(struct i2c_client *client,
return -EIO;
}
gpio_direction_output(ts->rst_pin, 0);
msleep(20);
gpio_set_value(ts->rst_pin,GPIO_HIGH);
msleep(20);
} else {
dev_info(&client->dev, "reset pin invalid\n");
}
gts = ts;
msleep(500);
while(timer > 0)
{
ret = i2c_master_recv(client,&buffer,1);
if(ret >= 0)
{
printk("%s--%d, i2c_master_recv sucess\n", __func__, __LINE__);
break;
}
timer--;
msleep(100);
}
if(ret < 0)
{
printk("%s--%d, i2c_master_recv fail\n", __func__, __LINE__);
return ret;
}
rc = gslX680_ts_init(client, ts);
if (rc < 0) {