static int act8846_resume(struct i2c_client *i2c)
{
/****add by nition at 20130527 s********************/
#if 0
int ret,k=10;
u16 val = 0;//add by nition
struct act8846 *act8846 = g_act8846;
//ret = act8846_set_bits(act8846, 0xe4,(0x1<<7),(0x1<<7));
val=0x8f;
ret = act8846_i2c_write(act8846->i2c, 0xe4, 1, val);
printk("act8846_i2c_write ret =%d ***********wakeup\n",ret);
while(ret<0){
ret = act8846_i2c_write(act8846->i2c, 0xe4, 1, val);
if(ret>0)break;
k--;
if(k<0){
printk("act8846_i2c_write error -----wakeup nition\n");
break;
}
}
act8846_i2c_read(act8846->i2c, 0xe4, 1, &val);
printk("act8846_resume 0xe4 = %d******************nition\n",val);
#endif
/****add by nition at 20130527 e********************/
act8846_device_resume();
return 0;
}
static int act8846_set_bits(struct act8846 *act8846, u8 reg, u16 mask, u16 val)
{
u16 tmp;
int ret;
mutex_lock(&act8846->io_lock);
ret = act8846_i2c_read(act8846->i2c, reg, 1, &tmp);
if(ret < 0){
mutex_unlock(&act8846->io_lock);
return ret;
}
DBG("1 reg read 0x%02x -> 0x%02x\n", (int)reg, (unsigned)tmp&0xff);
tmp = (tmp & ~mask) | val;
ret = act8846_i2c_write(act8846->i2c, reg, 1, tmp);
if(ret < 0){
mutex_unlock(&act8846->io_lock);
return ret;
}
DBG("reg write 0x%02x -> 0x%02x\n", (int)reg, (unsigned)val&0xff);
ret = act8846_i2c_read(act8846->i2c, reg, 1, &tmp);
if(ret < 0){
mutex_unlock(&act8846->io_lock);
return ret;
}
DBG("2 reg read 0x%02x -> 0x%02x\n", (int)reg, (unsigned)tmp&0xff);
mutex_unlock(&act8846->io_lock);
return 0;//ret;
}
static int __devinit act8846_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
{
struct act8846 *act8846;
struct act8846_platform_data *pdata = i2c->dev.platform_data;
int ret;
u16 val = 0;//add by nition
act8846 = kzalloc(sizeof(struct act8846), GFP_KERNEL);
if (act8846 == NULL) {
ret = -ENOMEM;
goto err;
}
act8846->i2c = i2c;
act8846->dev = &i2c->dev;
i2c_set_clientdata(i2c, act8846);
mutex_init(&act8846->io_lock);
ret = act8846_reg_read(act8846,0x22);
if ((ret < 0) || (ret == 0xff)){
printk("The device is not act8846 \n");
return 0;
}
ret = act8846_set_bits(act8846, 0xf4,(0x1<<7),(0x0<<7));
if (ret < 0) {
printk("act8846 set 0xf4 error!\n");
goto err;
}
if (pdata) {
ret = setup_regulators(act8846, pdata);
if (ret < 0)
goto err;
} else
dev_warn(act8846->dev, "No platform init data supplied\n");
g_act8846 = act8846;
pdata->set_init(act8846);
#ifdef CONFIG_HAS_EARLYSUSPEND
act8846->act8846_suspend.suspend = act8846_early_suspend,
act8846->act8846_suspend.resume = act8846_late_resume,
act8846->act8846_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB + 1,
register_early_suspend(&act8846->act8846_suspend);
#endif
/****add by nition at 20130527 s********************/
act8846_i2c_read(act8846->i2c, 0xe4, 1, &val);
printk("act8846 0xe4 = %d******************nition-1\n",val);
val=0x8f;
ret = act8846_i2c_write(act8846->i2c, 0xe4, 1, val);
act8846_i2c_read(act8846->i2c, 0xe4, 1, &val);
printk("act8846 0xe4 = %d******************nition-2\n",val);
/****add by nition at 20130527 e********************/
return 0;
err:
return ret;
}
void regulator_ctrl_vcc_tp(bool on)
{
int ret;
struct act8846 *act8846 = g_act8846;
const char REG9 = 0x71;
if(on)
{
/*close out9*/
reg9_val = act8846_reg_read(act8846,REG9);
DBG("before set REG9 = %d\n", reg9_val);
ret = act8846_set_bits(act8846, REG9,(0x1<<7),(0x0<<7));
DBG("after set REG89 = %d\n", act8846_reg_read(act8846,REG9));
if (ret < 0) {
DBG("act8846 set 0xc3 error!\n");
}
}
else
{
/*resume reg9*/
act8846_i2c_write(act8846->i2c, REG9, 1, reg9_val);
reg9_val = act8846_reg_read(act8846,REG9);
DBG("resume REG8 = %d\n", reg9_val);
}
}