rk hdmi: add node to get TV audio&video info

[firefly-linux-kernel-4.4.55.git] / drivers / video / rockchip / display-sys.c

diff --git a/drivers/video/rockchip/display-sys.c b/drivers/video/rockchip/display-sys.c
index 3f8e6b85bb6bb81be12f076f70613cb334d2f00e..3097ace6ea7565ec07832c892fb390d96cb6c989 100755 (executable)
--- a/drivers/video/rockchip/display-sys.c
+++ b/drivers/video/rockchip/display-sys.c
@@ -210,6 +210,41 @@ static ssize_t display_store_debug(struct device *dev,
        return -EINVAL;
 }
 
+static ssize_t display_show_sinkaudioinfo(struct device *dev,
+                               struct device_attribute *attr, char *buf)
+{
+       struct rk_display_device *dsp = dev_get_drvdata(dev);
+       char audioinfo[200];
+       int ret=0;
+
+       if(dsp->ops && dsp->ops->getedidaudioinfo) {
+               ret = dsp->ops->getedidaudioinfo(dsp, audioinfo, 200);
+               if(!ret){
+                       return snprintf(buf, PAGE_SIZE, "%s\n", audioinfo);
+               }
+       }
+       return -EINVAL;
+}
+
+
+
+static ssize_t display_show_monspecs(struct device *dev,
+                               struct device_attribute *attr, char *buf)
+{
+       struct rk_display_device *dsp = dev_get_drvdata(dev);
+       struct fb_monspecs monspecs;
+       int ret = 0;
+       if(dsp->ops && dsp->ops->getmonspecs) {
+               ret = dsp->ops->getmonspecs(dsp,&monspecs);
+               if(!ret) {
+                       memcpy(buf, &monspecs, sizeof(struct fb_monspecs));
+                       return sizeof(struct fb_monspecs);//snprintf(buf, PAGE_SIZE, "%s\n", monspecs.monitor);
+               }
+       }
+       return -EINVAL;
+}
+
+
 static struct device_attribute display_attrs[] = {
        __ATTR(name, S_IRUGO, display_show_name, NULL),
        __ATTR(type, S_IRUGO, display_show_type, NULL),
@@ -219,6 +254,8 @@ static struct device_attribute display_attrs[] = {
        __ATTR(mode, 0664, display_show_mode, display_store_mode),
        __ATTR(scale, 0664, display_show_scale, display_store_scale),
        __ATTR(debug, 0664, display_show_debug, display_store_debug),
+       __ATTR(audioinfo, S_IRUGO, display_show_sinkaudioinfo, NULL),
+       __ATTR(monspecs, S_IRUGO, display_show_monspecs, NULL),
        __ATTR_NULL
 };