static ssize_t level_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct lcdfreq_info *info = dev_get_lcdfreq(dev);
unsigned int value;
int ret;
if (!info->enable) {
dev_err(info->dev, "%s reject. enable flag is %d\n", __func__, info->enable);
return -EINVAL;
}
ret = kstrtoul(buf, 0, (unsigned long *)&value);
dev_info(info->dev, "%s :: value=%d\n", __func__, value);
if (value >= LEVEL_MAX)
return -EINVAL;
if (value)
ret = lcdfreq_lock(info->dev, value);
else
ret = lcdfreq_lock_free(info->dev);
if (ret) {
dev_err(info->dev, "%s skip\n", __func__);
return -EINVAL;
}
#ifdef CONFIG_MACH_T0
tsp_lcd_infom((bool *)value);
#endif
return count;
}
static ssize_t level_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
unsigned int value;
int ret;
ret = strict_strtoul(buf, 0, (unsigned long *)&value);
dev_info(dev, "\t%s :: value=%d\n", __func__, value);
if (value >= LCDFREQ_LEVEL_END)
return -EINVAL;
if (value)
ret = lcdfreq_lock(dev);
else
ret = lcdfreq_lock_free(dev);
if (ret) {
dev_err(dev, "%s fail\n", __func__);
return -EINVAL;
}
return count;
}
int _lcdfreq_lock(int lock)
{
int ext_lock;
if(ddev != NULL) {
ext_lock = atomic_read(usagep);
if(!!lock && !ext_lock) {
return lcdfreq_lock(ddev);
} else if(!!ext_lock) {
return lcdfreq_lock_free(ddev);
}
}
return -EINVAL;
}