static void cm3663_work_func_light(struct work_struct *work)
{
int i;
int als;
struct cm3663_data *cm3663 = container_of(work, struct cm3663_data,
work_light);
als = lightsensor_get_alsvalue(cm3663);
for (i = 0; ARRAY_SIZE(adc_table); i++)
if (als <= adc_table[i])
break;
if (cm3663->light_buffer == i) {
if (cm3663->light_count++ == LIGHT_BUFFER_NUM) {
input_report_abs(cm3663->light_input_dev,
ABS_MISC, als + 1);
input_sync(cm3663->light_input_dev);
cm3663->light_count = 0;
}
} else {
cm3663->light_buffer = i;
cm3663->light_count = 0;
}
}
/*
* sysfs interface
* return the lux value calculated using adc/lux table.
*/
static ssize_t cm3663_light_sensor_lux_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct cm3663_data *cm3663 = dev_get_drvdata(dev);
return sprintf(buf, "%d\n",
lightsensor_get_alsvalue(cm3663));
}
/*
* work function for light sensor
* it get the current adc value from the sensor and
* get lux value using adc/lux table.
* if there was a change of boundary, it will notify the event.
*/
static void cm3663_work_func_light(struct work_struct *work)
{
int als;
struct cm3663_data *cm3663 =
container_of(work, struct cm3663_data, work_light);
int i = 0;
als = lightsensor_get_alsvalue(cm3663);
input_report_abs(cm3663->light_input_dev,
ABS_MISC, als+1);
input_sync(cm3663->light_input_dev);
}
static void cm3663_work_func_light(struct work_struct *work)
{
int als;
struct cm3663_data *cm3663 = container_of(work, struct cm3663_data,
work_light);
als = lightsensor_get_alsvalue(cm3663);
input_report_rel(cm3663->light_input_dev, REL_MISC, als+1);
input_sync(cm3663->light_input_dev);
if (lightval_logcount++ > 500) {
printk(KERN_INFO "[CM3663] light value = %d \n", als+1);
lightval_logcount = 0;
}
}
static ssize_t lightsensor_file_state_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct cm3663_data *cm3663 = dev_get_drvdata(dev);
int adc = 0;
if (!(cm3663->power_state & LIGHT_ENABLED))
cm3663_light_enable(cm3663);
adc = lightsensor_get_alsvalue(cm3663);
if (!(cm3663->power_state & LIGHT_ENABLED))
cm3663_light_disable(cm3663);
return sprintf(buf, "%d\n", adc);
}
static void cm3663_work_func_light(struct work_struct *work)
{
int als;
struct cm3663_data *cm3663 = container_of(work, struct cm3663_data,
work_light);
als = lightsensor_get_alsvalue(cm3663);
#if defined(CONFIG_MACH_S2PLUS)
input_report_rel(cm3663->light_input_dev,
REL_MISC, als + 1);
#else
input_report_abs(cm3663->light_input_dev,
ABS_MISC, als + 1);
#endif
input_sync(cm3663->light_input_dev);
}