static ssize_t
isl_enable_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct isl29023_data *isl29023 = dev_get_drvdata(dev);
int val;
int temp_val = 1;
if(!is_device)
{
printk("[LIGHT] NO DEVICE is_device = %d \n",is_device);
return;
}
mutex_lock(&mutex);
val = isl_get_mod(isl29023->client);
mutex_unlock(&mutex);
if (val < 0)
return val;
switch (val) {
case ISL_MOD_POWERDOWN:
return sprintf(buf, "%d\n", ISL_MOD_POWERDOWN);
case ISL_MOD_ALS_CONT:
return sprintf(buf, "%d\n", temp_val);
default:
return -EINVAL;
}
}
static int isl29023_measure(struct isl29023_data * isl29023)
{
struct i2c_client *client = isl29023->client;
int ret_val, val, mod;
unsigned long int max_count;
int output = 0;
int temp;
mutex_lock(&mutex);
// pm_runtime_get_sync(&client->dev);
temp = i2c_smbus_read_byte_data(client, REG_DATA_MSB);
if (temp < 0)
goto err_exit;
ret_val = i2c_smbus_read_byte_data(client, REG_DATA_LSB);
if (ret_val < 0)
goto err_exit;
ret_val |= temp << 8;
#if DEBUG
dev_dbg(dev, "%s: Data: %04x\n", __func__, ret_val);
#endif
// printk("%s: Data: %04x\n", __func__, ret_val);
mod = isl_get_mod(client);
switch (mod) {
case ISL_MOD_ALS_CONT:
case ISL_MOD_ALS_ONCE:
case ISL_MOD_IR_ONCE:
case ISL_MOD_IR_CONT:
output = ret_val;
break;
case ISL_MOD_PS_CONT:
case ISL_MOD_PS_ONCE:
val = i2c_smbus_read_byte_data(client, REG_CMD_2);
if (val < 0)
goto err_exit;
max_count = isl_get_res(client);
output = (((1 << (2 * (val & SENSOR_RANGE_MASK))) * 1000)
* ret_val) / max_count;
break;
default:
goto err_exit;
}
// pm_runtime_put_sync(&client->dev);
mutex_unlock(&mutex);
// return sprintf(buf, "%ld\n", output);
#if DEBUG
printk("=== isl29023_measure ==== output = %d \n ",output);
#endif
return output;
err_exit:
printk("=== isl29023_measure error === \n ");
// pm_runtime_put_sync(&client->dev);
mutex_unlock(&mutex);
return -EINVAL;
}
static ssize_t isl_lmod_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct i2c_client *client = isl29030_i2c_client;
int val;
mutex_lock(&mutex);
//pm_runtime_get_sync(dev);
val = isl_get_mod(client, ISL_FUNC_ALS);
//pm_runtime_put_sync(dev);
mutex_unlock(&mutex);
dev_dbg(dev, "%s: mod: 0x%.2x\n", __func__, val);
if (val < 0)
return val;
return sprintf(buf, "%d\n", val);
}