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fb: add sys point for dual display mode

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This commit is contained in:
yzq
2012-11-07 16:35:47 +08:00
parent aefb4d5932
commit 4c82877891
1 changed files with 17 additions and 0 deletions
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17
drivers/video/rockchip/rkfb_sysfs.c
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@@ -91,6 +91,22 @@ static ssize_t show_fb_state(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%s\n",state?"enabled":"disabled");
}
static ssize_t show_dual_mode(struct device *dev,
struct device_attribute *attr, char *buf)
{
int mode=0;
#if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)
mode = 1;
#elif defined(CONFIG_DUAL_LCDC_DUAL_DISP_IN_KERNEL)
mode = 2;
#else
mode = 0;
#endif
return snprintf(buf, PAGE_SIZE, "%d\n",mode);
}
static ssize_t set_fb_state(struct device *dev,struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -295,6 +311,7 @@ static struct device_attribute rkfb_attrs[] = {
__ATTR(virt_addr, S_IRUGO, show_virt, NULL),
__ATTR(disp_info, S_IRUGO, show_disp_info, NULL),
__ATTR(screen_info, S_IRUGO, show_screen_info, NULL),
__ATTR(dual_mode, S_IRUGO, show_dual_mode, NULL),
__ATTR(enable, S_IRUGO | S_IWUSR, show_fb_state, set_fb_state),
__ATTR(overlay, S_IRUGO | S_IWUSR, show_overlay, set_overlay),
__ATTR(fps, S_IRUGO | S_IWUSR, show_fps, set_fps),