RK3288 指令查看HDMI当前分辨率和支持的分辨率

1$ adb shell
2root@xxx:/ # cd /sys/class/display/HDMI
3cd /sys/class/display/HDMI
4root@xxx:/sys/class/display/HDMI # ls
5ls
63dmode
7audioinfo
8color
9connect
10debug
11enable
12mode
13modes
14monspecs
15name
16power
17property
18scale
19subsystem
20type
21uevent
22root@xxx:/sys/class/display/HDMI # cat connect
23cat connect                   //HDMI是否连接
241
25root@xxx:/sys/class/display/HDMI # cat enable
26cat enable                    //HDMI使能
271
28root@xxx:/sys/class/display/HDMI # cat mode
29cat mode                     //HDMI当前分辨率
301366x768p-60
31root@xxx:/sys/class/display/HDMI # cat modes
32cat modes                    //HDMI支持的所有分辨率
33auto
341920x1080p-60
351920x1080p-50
361366x768p-60
371280x720p-60
381280x720p-50
39720x576p-50
40720x480p-60