static void aat2870_bl_switch_mode(int op_mode)
{
struct aat2870_bl_driver_data *drv;
drv = aat2870_bl_drvdata;
if (drv->dim_status != DIMMING_NONE) {
aat2870_bl_send_cmd(drv, aat2870bl_stop_fade_tbl);
drv->dim_status = DIMMING_NONE;
dbg("[BL] DIMMING_OFF \n");
}
if (op_mode == AAT2870_OP_MODE_NORMAL) {
aat2870_bl_send_cmd(drv, drv->cmds.normal);
dbg("[BL] Mode: normal\n");
} else if (op_mode == AAT2870_OP_MODE_ALC) {
aat2870_bl_send_cmd(drv, drv->cmds.alc);
dbg("[BL] Mode: alc\n");
if (drv->lsensor_enable == TRUE)
schedule_delayed_work(&drv->delayed_work_bl, drv->lsensor_poll_time);
}
if (drv->status == AAT2870_POWER_STATE_OFF) {
dbg("[BL] Weird: how to use without display\n");
drv->status = AAT2870_POWER_STATE_ON;
}
return;
}
static ssize_t aat2870_bl_store_intensity(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
int level, intensity;
static struct aat2870_bl_driver_data *drv;
drv = aat2870_bl_drvdata;
if (!count)
return -EINVAL;
if(is_suspended == true)
{
return 0;
}
sscanf(buf, "%d", &intensity); //level range: 0 to 22 from aat2870 ds
//101103, [email protected], Replaced with function.
if (aat2870_bl_brightness_linearized(intensity, &level)) {
dbg("[BL] Invalid Intensity value: %d\n", intensity);
goto intensity_input_err;
}
//if (drv->op_mode == AAT2870_OP_MODE_ALC && drv->hw_dimming_enable) {
if (drv->hw_dimming_enable) {
if (drv->dim_status == DIMMING_NONE &&
drv->intensity > level && intensity == 20) {
dbg("[BL] DIMMING_START \n");
aat2870_bl_send_cmd(drv, aat2870bl_fade_out_tbl);
drv->dim_status = DIMMING_START;
mdelay(AAT2870_FADE_OUT_DELAY);
} else if (drv->dim_status != DIMMING_NONE && drv->intensity < level) {
aat2870_bl_send_cmd(drv, aat2870bl_stop_fade_tbl);
drv->dim_status = DIMMING_NONE;
dbg("[BL] DIMMING_OFF \n");
}
}
if (drv->power_onoff_ref == TRUE) {
aat2870_bl_send_cmd(drv, aat2870bl_fade_in_tbl);
if (drv->op_mode != AAT2870_OP_MODE_ALC) {
aat2870_bl_write(drv->bd, AAT2870_BL_BLM, level);
} else {
aat2870_bl_write(drv->bd, AAT2870_BL_BLM, 0x06);//lowest
}
mdelay(AAT2870_FADE_IN_DELAY - 50);//Fade-In delay
aat2870_bl_send_cmd(drv, aat2870bl_stop_fade_tbl);
drv->power_onoff_ref = FALSE;
}
if (level > drv->intensity_max) {
level = drv->intensity_max;
}
dbg("[BL] intensity: %d, level: %d(prev: %d)\n",intensity, level, drv->intensity);
aat2870_bl_write(drv->bd, AAT2870_BL_BLM, level);
drv->intensity = level;
intensity_input_err:
return count;
}
