shuai532209720 commented on a change in pull request #4504:
URL: https://github.com/apache/incubator-nuttx/pull/4504#discussion_r705364324
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File path: include/nuttx/video/fb.h
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@@ -569,6 +583,24 @@ struct fb_vtable_s
FAR const struct fb_overlayblend_s *blend);
# endif
#endif
+
+ /* Specific Controls ******************************************************/
+
+ /* Set the frequency of the framebuffer update panel (0: disable refresh) */
+
+ int (*setframerate)(FAR struct fb_vtable_s *vtable, int rate);
+
+ /* Get the frequency of the framebuffer update panel (0: disable refresh) */
+
+ int (*getframerate)(FAR struct fb_vtable_s *vtable);
+
+ /* Get the panel power status (0: full off). */
+
+ int (*getpower)(FAR struct fb_vtable_s *vtable);
+
+ /* Enable/disable panel power (0: full off). */
+
+ int (*setpower)(FAR struct fb_vtable_s *vtable, int power);
Review comment:
LCD cannot be operated using framebuffer mode only. If both are enabled,
the code is redundant.
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