static ssize_t als_enable_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int als_en;
struct al3006_info *lpi = lp_info;
als_en = -1;
sscanf(buf, "%d", &als_en);
if (als_en != 0 && als_en != 1
&& als_en != 10 && als_en != 13 && als_en != 16)
return -EINVAL;
if (als_en) {
D("[AL3006] %s: ps_en=%d\n",
__func__, als_en);
lightsensor_enable(lpi);
} else
lightsensor_disable(lpi);
D("[AL3006] %s\n", __func__);
return count;
}
static void al3006_early_suspend(struct early_suspend *h)
{
struct al3006_info *lpi = lp_info;
D("[AL3006] %s\n", __func__);
#if 0
if (lpi->als_enable)
lightsensor_disable(lpi);
if (lpi->ps_enable)
psensor_disable(lpi);
#endif
if(lpi->als_enable && !lpi->ps_enable)
{
cancel_delayed_work(&polling_work);
}
if(lpi->ps_enable)/*Need ps interrupt to wake up phone*/{
D("3006 suspend ps enabled\n");
al3006_i2c_write(0x0,0x01);
#if 1
if(!lpi->ps_irq_flag)
{
enable_irq(lpi->irq);
lpi->ps_irq_flag = 1;
}
#endif
}
else
al3006_i2c_write(0x0,0x0b); //0x03 set chip to idle mode
}
static long lightsensor_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
int rc, val;
struct al3006_info *lpi = lp_info;
D("[AL3006] %s cmd %d\n", __func__, _IOC_NR(cmd));
switch (cmd) {
case DYNA_AL3006_AMBIENT_IOCTL_ENABLE:
if (get_user(val, (unsigned long __user *)arg)) {
rc = -EFAULT;
break;
}
D("[AL3006] %s LIGHTSENSOR_IOCTL_ENABLE, value = %d\n",
__func__, val);
rc = val ? lightsensor_enable(lpi) : lightsensor_disable(lpi);
break;
case DYNA_AL3006_AMBIENT_IOCTL_GET_ENABLED:
val = lpi->als_enable;
D("[AL3006] %s LIGHTSENSOR_IOCTL_GET_ENABLED, enabled %d\n",
__func__, val);
rc = put_user(val, (unsigned long __user *)arg);
break;
default:
pr_err("[AL3006 error]%s: invalid cmd %d\n",
__func__, _IOC_NR(cmd));
rc = -EINVAL;
}
return rc;
}
static void ltr558_early_suspend(struct early_suspend *h)
{
struct ltr558_info *lpi = lp_info;
int ret;
D("[ltr558] %s\n", __func__);
#ifdef POLLING_PROXIMITY
if(lpi->als_enable && !lpi->ps_enable)
{
cancel_delayed_work(&polling_work);
}
#endif
ret = psensor_disable(lpi);
if (ret == 0)
ret = lightsensor_disable(lpi);
// return ret;
}
static long lightsensor_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int rc, val;
struct lsensor_data* p = &the_data;
mutex_lock(&api_lock);
D("%s cmd %d\n", __func__, _IOC_NR(cmd));
if (!the_data.opened)
{
return -EIO;
}
switch (cmd)
{
case LIGHTSENSOR_IOCTL_ENABLE:
if (get_user(val, (unsigned long __user *)arg))
{
rc = -EFAULT;
break;
}
D("%s ls set to: %d\n", __func__, val);
rc = val ? lightsensor_enable() : lightsensor_disable();
break;
case LIGHTSENSOR_IOCTL_GET_ENABLED:
val = p->enabled;
D("%s enabled %d\n", __func__, val);
rc = put_user(val, (unsigned long __user *)arg);
break;
default:
pr_err("%s: invalid cmd %d\n", __func__, _IOC_NR(cmd));
rc = -EINVAL;
}
mutex_unlock(&api_lock);
return rc;
}
static void lightsensor_suspend(struct early_suspend *h)
{
lightsensor_disable();
}