static irqreturn_t touchkey_interrupt_thread(int irq, void *touchkey_devdata)
{
u8 data = 0;
int i;
int ret;
int scancode;
struct cypress_touchkey_devdata *devdata = touchkey_devdata;
ret = i2c_touchkey_read_byte(devdata, &data);
if (ret || (data & ESD_STATE_MASK)) {
ret = recovery_routine(devdata);
if (ret) {
dev_err(&devdata->client->dev, "%s: touchkey recovery "
"failed!\n", __func__);
goto err;
}
}
if (devdata->has_legacy_keycode)
{
scancode = (data & SCANCODE_MASK) - 1;
if (scancode < 0 || scancode >= devdata->pdata->keycode_cnt)
{
dev_err(&devdata->client->dev, "%s: scancode is out of "
"range\n", __func__);
goto err;
}
input_report_key(devdata->input_dev,
devdata->pdata->keycode[scancode],
!(data & UPDOWN_EVENT_MASK));
#ifdef CONFIG_BLD
if (!(data & UPDOWN_EVENT_MASK))
touchkey_pressed();
#endif
} else
{
for (i = 0; i < devdata->pdata->keycode_cnt; i++)
input_report_key(devdata->input_dev,
devdata->pdata->keycode[i],
!!(data & (1U << i)));
#ifdef CONFIG_BLD
for (i = 0; i < devdata->pdata->keycode_cnt; i++)
{
if(!!(data & (1U << i)))
{
touchkey_pressed();
break;
}
}
#endif
}
input_sync(devdata->input_dev);
err:
return IRQ_HANDLED;
}
static void bld_late_resume(struct early_suspend * h)
{
device_suspended = false;
backlight_dimmed = false;
touchkey_pressed();
return;
}
static void bld_enable_backlights(void)
{
if (bld_imp)
{
bld_imp->enable();
}
backlight_dimmed = false;
mutex_unlock(&lock);
touchkey_pressed();
return;
}
static ssize_t backlightdimmer_delay_write(struct device * dev, struct device_attribute * attr, const char * buf, size_t size)
{
unsigned int data;
if(sscanf(buf, "%u\n", &data) == 1)
{
dimmer_delay = data;
pr_info("BLD delay set to %u\n", dimmer_delay);
touchkey_pressed();
}
else
{
pr_info("%s: invalid input\n", __FUNCTION__);
}
return size;
}
static ssize_t backlightdimmer_status_write(struct device * dev, struct device_attribute * attr, const char * buf, size_t size)
{
unsigned int data;
if(sscanf(buf, "%u\n", &data) == 1)
{
pr_devel("%s: %u \n", __FUNCTION__, data);
if (data == 1)
{
pr_info("%s: BLD function enabled\n", __FUNCTION__);
bld_enabled = true;
touchkey_pressed();
}
else if (data == 0)
{
pr_info("%s: BLD function disabled\n", __FUNCTION__);
bld_enabled = false;
cancel_delayed_work(&dimmer_work);
flush_scheduled_work();
if (backlight_dimmed)
{
bld_enable_backlights();
}
}
else
{
pr_info("%s: invalid input range %u\n", __FUNCTION__, data);
}
}
else
{
pr_info("%s: invalid input\n", __FUNCTION__);
}
return size;
}
static irqreturn_t touchkey_interrupt_thread(int irq, void *touchkey_devdata)
{
u8 data;
int i;
int ret;
int scancode;
struct cypress_touchkey_devdata *devdata = touchkey_devdata;
ret = i2c_touchkey_read_byte(devdata, &data);
if (ret || (data & ESD_STATE_MASK)) {
ret = recovery_routine(devdata);
if (ret) {
dev_err(&devdata->client->dev, "%s: touchkey recovery "
"failed!\n", __func__);
goto err;
}
}
if (devdata->has_legacy_keycode) {
scancode = (data & SCANCODE_MASK) - 1;
if (scancode < 0 || scancode >= devdata->pdata->keycode_cnt) {
dev_err(&devdata->client->dev, "%s: scancode is out of "
"range\n", __func__);
goto err;
}
#ifdef CONFIG_SCREEN_DIMMER
#ifdef CONFIG_TOUCH_WAKE
if (!device_is_suspended() && !screen_is_dimmed())
#else
if (!screen_is_dimmed())
#endif
#else
#ifdef CONFIG_TOUCH_WAKE
if (!device_is_suspended())
#endif
#endif
{
input_report_key(devdata->input_dev,
devdata->pdata->keycode[scancode],
!(data & UPDOWN_EVENT_MASK));
}
#if defined(CONFIG_TOUCH_WAKE) || defined(CONFIG_SCREEN_DIMMER) || defined(CONFIG_BLD)
if (!(data & UPDOWN_EVENT_MASK))
{
#ifdef CONFIG_BLD
touchkey_pressed();
#endif
#ifdef CONFIG_SCREEN_DIMMER
touchscreen_pressed();
#endif
#ifdef CONFIG_TOUCH_WAKE
touch_press();
#endif
}
#endif
} else {
#ifdef CONFIG_SCREEN_DIMMER
#ifdef CONFIG_TOUCH_WAKE
if (!device_is_suspended() && !screen_is_dimmed())
#else
if (!screen_is_dimmed())
#endif
#else
#ifdef CONFIG_TOUCH_WAKE
if (!device_is_suspended())
#endif
#endif
{
for (i = 0; i < devdata->pdata->keycode_cnt; i++)
input_report_key(devdata->input_dev,
devdata->pdata->keycode[i],
!!(data & (1U << i)));
}
#if defined(CONFIG_TOUCH_WAKE) || defined(CONFIG_SCREEN_DIMMER) || defined(CONFIG_BLD)
for (i = 0; i < devdata->pdata->keycode_cnt; i++)
{
if(!!(data & (1U << i)))
{
#ifdef CONFIG_BLD
touchkey_pressed();
#endif
#ifdef CONFIG_SCREEN_DIMMER
touchscreen_pressed();
#endif
#ifdef CONFIG_TOUCH_WAKE
touch_press();
#endif
break;
}
}
#endif
}
input_sync(devdata->input_dev);
err:
return IRQ_HANDLED;
}
