static int set_lcdfreq_div(struct device *dev, enum lcdfreq_level level)
{
struct lcdfreq_info *info = dev_get_drvdata(dev);
u32 ret;
mutex_lock(&info->lock);
if (!info->enable) {
dev_err(dev, "%s reject. enable flag is %d\n", __func__, info->enable);
ret = -EINVAL;
goto exit;
}
ret = set_div(dev, info->table[level].cmu_div);
if (ret) {
dev_err(dev, "skip to change lcd freq\n");
goto exit;
}
info->level = level;
exit:
mutex_unlock(&info->lock);
return ret;
}
static int set_lcdfreq_div(struct device *dev, enum lcdfreq_level level)
{
struct lcdfreq_info *info = dev_get_drvdata(dev);
u32 ret;
mutex_lock(&info->lock);
if (!info->enable) {
dev_err(dev, "%s reject. enable flag is %d\n", __func__, info->enable);
ret = -EINVAL;
goto exit;
}
ret = set_div(dev, info->table[level].cmu_div);
if (ret) {
dev_err(dev, "skip to change lcd freq\n");
goto exit;
}
#ifdef CONFIG_LCD_FREQ_SWITCH_ACCOUNTING
do_time_slice(info->level);
#endif
info->level = level;
exit:
mutex_unlock(&info->lock);
return ret;
}
static int set_lcdfreq_div(struct device *dev, enum lcdfreq_level_idx level)
{
struct fb_info *fb = dev_get_drvdata(dev);
struct s3cfb_window *win = fb->par;
struct s3cfb_global *fbdev = get_fimd_global(win->id);
struct lcdfreq_info *lcdfreq = fbdev->data;
u32 div, ret;
mutex_lock(&lcdfreq->lock);
if (unlikely(fbdev->system_state == POWER_OFF || !lcdfreq->enable)) {
dev_err(dev, "%s reject. %d, %d\n", __func__, fbdev->system_state, lcdfreq->enable);
ret = -EINVAL;
goto exit;
}
div = lcdfreq->table[level].cmu_clkdiv;
ret = set_div(fbdev, div);
if (ret) {
dev_err(dev, "fail to change lcd freq\n");
goto exit;
}
#ifdef CONFIG_LCD_FREQ_SWITCH_ACCOUNTING
do_time_slice(lcdfreq->level);
#endif
lcdfreq->level = level;
exit:
mutex_unlock(&lcdfreq->lock);
return ret;
}
